Form 10-Q - Quarterly report [Sections 13 or 15(d)]

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

__________________

FORM 10-Q

__________________


☒			Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the Quarterly Period Ended March 31, 2024


☐			Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the transition period from _____ to _____

Commission file number 001-38600

__________________

TENABLE HOLDINGS, INC.

(Exact name of registrant as specified in its charter)

__________________


Delaware						47-5580846
(State or other jurisdiction of incorporation or organization)						(I.R.S. Employer Identification Number)

6100 Merriweather Drive, Columbia, Maryland 21044

(Address of principal executive offices, including zip code)

(410) 872-0555

(Registrant’s telephone number, including area code)

__________________

Securities registered pursuant to Section 12(b) of the Act:


Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, par value $0.01 per share	TENB	The Nasdaq Stock Market LLC

Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer

☒

Accelerated filer

☐

Non-accelerated filer

☐

Emerging growth company

☐

Smaller reporting company

☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

The number of shares of the Registrant's common stock outstanding as of May 3, 2024 was 118,867,830.

TENABLE HOLDINGS, INC.

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		Page
PART I – FINANCIAL INFORMATION
Item 1.	Financial Statements
	Consolidated Balance Sheets	3
	Consolidated Statements of Operations	4
	Consolidated Statements of Comprehensive Loss	5
	Consolidated Statements of Stockholders' Equity	6
	Consolidated Statements of Cash Flows	7
	Notes to Consolidated Financial Statements	8
	1. Business and Summary of Significant Accounting Policies	8
	2. Revenue	9
	3. Cash Equivalents and Short-Term Investments	10
	4. Fair Value Measurements	11
	5. Property and Equipment, Net	12
	6. Goodwill and Intangible Assets	12
	7. Leases	13
	8. Debt	14
	9. Commitments and Contingencies	15
	10. Stock-Based Compensation	15
	11. Income Taxes	17
	12. Net Loss Per Share	18
	13. Geographic Information	18

Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	19
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	32
Item 4.	Controls and Procedures	33
PART II – OTHER INFORMATION
Item 1.	Legal Proceedings	35
Item 1A.	Risk Factors	35
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	37
Item 6.	Exhibits	38
	Signatures	39

Where You Can Find More Information

Investors and others should note that we may announce material business and financial information to our investors using our investor relations website (https://investors.tenable.com), our filings with the Securities and Exchange Commission (SEC), our website, webcasts, press releases, and conference calls. We use these mediums, including our website, to communicate with investors and the general public about our company, our products, and other issues, and for complying with our disclosure obligations under Regulation FD. It is possible that the information that we make available on our website may be deemed to be material information. We therefore encourage investors and others interested in our company to review the information that we make available on our website, in addition to following our SEC filings, our webcasts, press releases, and conference calls. The information we post through these channels is not a part of this Quarterly Report on Form 10-Q. These channels be may updated from time to time on our investor relations website.

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PART I. FINANCIAL INFORMATION

Item 1. Financial Statements

TENABLE HOLDINGS, INC.

CONSOLIDATED BALANCE SHEETS


	March 31, 2024		December 31, 2023
(in thousands, except per share data)	(unaudited)
Assets
Current assets:
Cash and cash equivalents	$	259,977	$	237,132
Short-term investments	250,794		236,840
Accounts receivable (net of allowance for doubtful accounts of $288 and $470 at March 31, 2024 and December 31, 2023, respectively)	156,804		220,060
Deferred commissions	49,168		49,559
Prepaid expenses and other current assets	66,013		61,882
Total current assets	782,756		805,473
Property and equipment, net	45,581		45,436
Deferred commissions (net of current portion)	68,447		72,394
Operating lease right-of-use assets	33,694		34,835
Acquired intangible assets, net	102,349		107,017
Goodwill	518,539		518,539
Other assets	15,656		23,177
Total assets	$	1,567,022	$	1,606,871

Liabilities and Stockholders’ Equity
Current liabilities:
Accounts payable and accrued expenses	$	17,667	$	16,941
Accrued compensation	43,547		66,492
Deferred revenue	562,575		580,779
Operating lease liabilities	5,985		5,971
Other current liabilities	5,069		5,655
Total current liabilities	634,843		675,838
Deferred revenue (net of current portion)	160,133		169,718
Term loan, net of issuance costs (net of current portion)	358,622		359,281
Operating lease liabilities (net of current portion)	46,317		48,058
Other liabilities	8,159		7,632
Total liabilities	1,208,074		1,260,527

Stockholders’ equity:
Common stock (par value: $0.01; 500,000 shares authorized; 119,625 and 117,504 shares issued at March 31, 2024 and December 31, 2023, respectively)	1,196		1,175
Additional paid-in capital	1,237,283		1,185,100
Treasury stock (at cost: 882 and 356 shares at March 31, 2024 and December 31, 2023, respectively)	(39,925)		(14,934)
Accumulated other comprehensive (loss) income	(185)		38
Accumulated deficit	(839,421)		(825,035)
Total stockholders’ equity	358,948		346,344
Total liabilities and stockholders’ equity	$	1,567,022	$	1,606,871

The accompanying notes are an integral part of these consolidated financial statements.

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TENABLE HOLDINGS, INC.

CONSOLIDATED STATEMENTS OF OPERATIONS

(Unaudited)


	Three Months Ended March 31,
(in thousands, except per share data)	2024		2023
Revenue	$	215,961	$	188,839
Cost of revenue	48,932		45,506
Gross profit	167,029		143,333
Operating expenses:
Sales and marketing	99,825		97,191
Research and development	43,727		38,183
General and administrative	31,018		27,115
Restructuring	1,389		—
Total operating expenses	175,959		162,489
Loss from operations	(8,930)		(19,156)
Interest income	5,624		5,095
Interest expense	(8,112)		(7,339)
Other expense, net	(1,310)		(547)
Loss before income taxes	(12,728)		(21,947)
Provision for income taxes	1,658		3,150
Net loss	$	(14,386)	$	(25,097)

Net loss per share, basic and diluted	$	(0.12)	$	(0.22)
Weighted-average shares used to compute net loss per share, basic and diluted	117,542		113,791

The accompanying notes are an integral part of these consolidated financial statements.

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TENABLE HOLDINGS, INC.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS

(Unaudited)


	Three Months Ended March 31,
(in thousands)	2024		2023
Net loss	$	(14,386)	$	(25,097)
Other comprehensive (loss) income, net of tax:
Unrealized (losses) gains on available-for-sale securities, net	(223)		680
Other comprehensive (loss) income	(223)		680
Comprehensive loss	$	(14,609)	$	(24,417)

The accompanying notes are an integral part of these consolidated financial statements.

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TENABLE HOLDINGS, INC.

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

(Unaudited)


				Additional Paid-in Capital				Accumulated Other Comprehensive Income (Loss)				Total Stockholders’ Equity
	Common Stock					Treasury Stock				Accumulated Deficit
(in thousands)	Shares	Amount
Balance at December 31, 2023	117,504	$	1,175	$	1,185,100	$	(14,934)	$	38	$	(825,035)	$	346,344
Exercise of stock options	455	5		1,869		—		—		—		1,874
Vesting of restricted stock units	1,313	13		(13)		—		—		—		—
Vesting of performance stock units	48	—		—		—		—		—		—
Issuance of common stock under employee stock purchase plan	305	3		9,881		—		—		—		9,884
Purchase of treasury stock	—	—		—		(24,991)		—		—		(24,991)
Stock-based compensation	—	—		40,446		—		—		—		40,446
Other comprehensive loss	—	—		—		—		(223)		—		(223)
Net loss	—	—		—		—		—		(14,386)		(14,386)
Balance at March 31, 2024	119,625	$	1,196	$	1,237,283	$	(39,925)	$	(185)	$	(839,421)	$	358,948

Balance at December 31, 2022	113,056	$	1,131	$	1,017,837	$	—	$	(1,351)	$	(746,751)	$	270,866
Exercise of stock options	80	1		941		—		—		—		942
Vesting of restricted stock units	1,243	11		(11)		—		—		—		—
Vesting of performance stock units	52	1		(1)		—		—		—		—
Issuance of common stock under employee stock purchase plan	312	3		9,911		—		—		—		9,914
Stock-based compensation	—	—		34,374		—		—		—		34,374
Other comprehensive income	—	—		—		—		680		—		680
Net loss	—	—		—		—		—		(25,097)		(25,097)
Balance at March 31, 2023	114,743	$	1,147	$	1,063,051	$	—	$	(671)	$	(771,848)	$	291,679

The accompanying notes are an integral part of these consolidated financial statements.

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TENABLE HOLDINGS, INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)


	Three Months Ended March 31,
(in thousands)	2024		2023
Cash flows from operating activities:
Net loss	$	(14,386)	$	(25,097)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	8,232		6,365
Stock-based compensation	39,719		34,117
Net accretion of discounts and amortization of premiums on short-term investments	(2,284)		(1,553)
Amortization of debt issuance costs	329		307
Other	1,611		(310)
Changes in operating assets and liabilities:
Accounts receivable	63,437		64,439
Prepaid expenses and other assets	5,216		(2,776)
Accounts payable, accrued expenses and accrued compensation	(22,017)		(12,665)
Deferred revenue	(27,789)		(22,534)
Other current and noncurrent liabilities	(1,742)		(1,547)
Net cash provided by operating activities	50,326		38,746

Cash flows from investing activities:
Purchases of property and equipment	(665)		(387)
Capitalized software development costs	(2,532)		(1,023)
Purchases of short-term investments	(77,465)		(48,749)
Sales and maturities of short-term investments	65,570		61,299
Proceeds from other investments	3,512		—

Net cash (used in) provided by investing activities	(11,580)		11,140

Cash flows from financing activities:
Payments on term loan	(938)		(938)


Proceeds from stock issued in connection with the employee stock purchase plan	9,884		9,914
Proceeds from the exercise of stock options	1,874		942
Purchase of treasury stock	(24,991)		—
Other financing activities	—		(128)
Net cash (used in) provided by financing activities	(14,171)		9,790
Effect of exchange rate changes on cash and cash equivalents and restricted cash	(1,730)		(108)
Net increase in cash and cash equivalents and restricted cash	22,845		59,568
Cash and cash equivalents and restricted cash at beginning of period	237,132		300,866
Cash and cash equivalents and restricted cash at end of period	$	259,977	$	360,434

Supplemental disclosure of cash flow information:
Cash paid for interest	$	7,611	$	6,820
Cash paid for income taxes, net of refunds	2,987		3,233
Supplemental cash flow information related to leases:
Cash payments for operating leases	$	2,318	$	2,238

The accompanying notes are an integral part of these consolidated financial statements.

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TENABLE HOLDINGS, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

1. Business and Summary of Significant Accounting Policies

Business Description

Tenable Holdings, Inc. (the “Company,” “we,” "us," or “our”) is a provider of exposure management solutions. Exposure management is an effective discipline for measuring, comparing and reducing cybersecurity risk in today's complex IT environments. Our solutions provide broad visibility into security issues such as vulnerabilities, misconfigurations, internal and regulatory compliance violations and other indicators of the state of an organization’s security across IT infrastructure and applications, cloud environments, Active Directory and industrial internet of things and operational technology environments.

Basis of Presentation

The accompanying consolidated financial statements include the accounts of Tenable Holdings, Inc. and our wholly owned subsidiaries and have been prepared in conformity with United States generally accepted accounting principles (“GAAP”) for interim financial information. All intercompany accounts and transactions have been eliminated in consolidation.

The consolidated statements are unaudited and should be read in conjunction with the consolidated financial statements and related notes included in our 2023 Annual Report on Form 10-K ("10-K") filed with the Securities and Exchange Commission on February 28, 2024. The consolidated financial statements have been prepared on a basis consistent with the audited annual consolidated financial statements included in the 10-K and, in the opinion of management, include all adjustments of a normal recurring nature necessary to fairly state our financial position, our results of operations, and cash flows.

The results for the three months ended March 31, 2024 are not necessarily indicative of the operating results expected for the year ending December 31, 2024 or any other future period.

Use of Estimates

The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. These estimates include, but are not limited to, the determination of the estimated economic life of perpetual licenses for revenue recognition, the estimated period of benefit for deferred commissions, the useful lives of long-lived assets, the fair value of acquired intangible assets, the valuation of stock-based compensation, the incremental borrowing rate for operating leases, and the valuation of deferred tax assets and investments. We base these estimates on historical experience and on various other assumptions that we believe to be reasonable. Actual results could differ significantly from these estimates.

Significant Accounting Policies

Our significant accounting policies are described in our 10-K. During the three months ended March 31, 2024, there were no material changes to our significant accounting policies from those described in our 10-K.

Recently Issued Accounting Pronouncements

In November 2023, the Financial Accounting Standards Board (“FASB”) issued ASU 2023-07 - Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures, which requires public entities with a single reportable segment to provide all the disclosures required by this standard and all existing segment disclosures in Topic 280 on an interim and annual basis, including new requirements to disclose significant segment expenses that are regularly provided to the Chief Operating Decision Maker ("CODM") and included within the reported measure(s) of a segment's profit or

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loss, the amount and composition of any other segment items, the title and position of the CODM, and how the CODM uses the reported measure(s) of a segment's profit or loss to assess performance and decide how to allocate resources. The guidance is effective for our annual period beginning January 1, 2025, and interim periods thereafter, applied retrospectively with early adoption permitted. We are currently evaluating the impact of adoption of this standard on our consolidated financial statements and disclosures.

In December 2023, the FASB issued ASU 2023-09 - Income Taxes (Topic 740): Improvements to Income Tax Disclosures, which requires public entities to provide greater disaggregation within their annual rate reconciliation, including new requirements to present reconciling items on a gross basis in specified categories, disclose both percentages and dollar amounts, and disaggregate individual reconciling items by jurisdiction and nature when the effect of the items meet a quantitative threshold. The guidance also requires disaggregating the annual disclosure of income taxes paid, net of refunds received, by federal (national), state, and foreign taxes, with separate presentation of individual jurisdictions that meet a quantitative threshold. The guidance is effective for our annual periods beginning January 1, 2025 on a prospective basis, with a retrospective option, and early adoption is permitted. We are currently evaluating the impact of adoption of this standard on our consolidated financial statements and disclosures.

2. Revenue

Disaggregation of Revenue

The following table presents a summary of revenue:


	Three Months Ended March 31,
(in thousands)	2024		2023
Subscription revenue	$	197,635	$	171,098
Perpetual license and maintenance revenue	12,156		12,181
Professional services and other revenue	6,170		5,560
Revenue	$	215,961	$	188,839

Concentrations

We sell and market our products and services through our field sales force that works closely with our channel partners, which includes a network of distributors and resellers, in developing sales opportunities. We use a two-tiered channel model whereby we sell our products and services to our distributors, which in turn sell to resellers, which then sell to end-users. Revenue derived through our channel network comprised 93% of revenue in the three months ended March 31, 2024 and 2023. One of our distributors accounted for 34% of revenue in the three months ended March 31, 2024 and 37% of revenue in the three months ended March 31, 2023. That same distributor accounted for 32% of accounts receivable at March 31, 2024 and December 31, 2023.

Contract Balances

We generally bill our customers in advance and accounts receivable are recorded when we have the right to invoice the customer. Contract liabilities consist of deferred revenue and include customer billings and payments received in advance of performance under the contract. In the three months ended March 31, 2024 and 2023, we recognized revenue of $201.0 million and $174.0 million, respectively, that was included in the deferred revenue balance at the beginning of the respective periods.

Remaining Performance Obligations

At March 31, 2024, the future estimated revenue related to unsatisfied performance obligations was $742.4 million, of which $572.9 million is expected to be recognized as revenue over the next twelve months, and the remainder is expected to be recognized over the four years thereafter.

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Deferred Commissions

The following summarizes the activity of deferred incremental costs of obtaining a contract:


	Three Months Ended March 31,
(in thousands)	2024		2023
Beginning balance	$	121,953	$	111,508
Capitalization of contract acquisition costs	9,035		8,907
Amortization of deferred contract acquisition costs	(13,373)		(12,035)
Ending balance	$	117,615	$	108,380

3. Cash Equivalents and Short-Term Investments

The following tables summarize the amortized cost, unrealized gain and loss and estimated fair value of cash equivalents and short-term investments:


	March 31, 2024
(in thousands)	Amortized Cost		Unrealized Gain		Unrealized Loss		Estimated Fair Value
Cash equivalents
Money market funds	$	151,173	$	—	$	—	$	151,173
Total cash equivalents	$	151,173	$	—	$	—	$	151,173

Short-term investments
Commercial paper	$	78,362	$	24	$	(41)	$	78,345
Corporate bonds	70,106		9		(88)		70,027
Asset backed securities	18,521		9		(16)		18,514
Yankee bonds	8,922		2		(23)		8,901
U.S. Treasury and agency obligations	75,068		13		(74)		75,007
Total short-term investments	$	250,979	$	57	$	(242)	$	250,794


	December 31, 2023
(in thousands)	Amortized Cost		Unrealized Gain		Unrealized Loss		Estimated Fair Value
Cash equivalents
Money market funds	$	130,375	$	—	$	—	$	130,375
Total cash equivalents	$	130,375	$	—	$	—	$	130,375

Short-term investments
Commercial paper	$	82,188	$	50	$	(22)	$	82,216
Corporate bonds	61,200		40		(91)		61,149
Asset backed securities	15,032		26		(15)		15,043
Yankee bonds	6,926		4		(17)		6,913
U.S. Treasury and agency obligations	71,456		97		(34)		71,519
Total short-term investments	$	236,802	$	217	$	(179)	$	236,840

We considered the extent to which any unrealized losses on our short-term investments were driven by credit risk and other factors, including market risk, and if it is more-likely-than-not that we would have to sell the security before the

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recovery of the amortized cost basis. At March 31, 2024 and December 31, 2023, our unrealized losses were due to rising market interest rates compared to when the investments were initiated. We do not believe any unrealized losses represent credit losses, and it is unlikely we would sell the investments before we would recover their amortized cost basis.

The contractual maturities of our short-term investments are as follows:


	March 31, 2024				December 31, 2023
(in thousands)	Amortized Cost		Estimated Fair Value		Amortized Cost		Estimated Fair Value
Due within one year	$	212,522	$	212,368	$	219,437	$	219,414
Due between one and two years	38,457		38,426		17,365		17,426
Total short-term investments	$	250,979	$	250,794	$	236,802	$	236,840

At March 31, 2024 and December 31, 2023, cash and cash equivalents included $5.9 million and $5.8 million, respectively, of restricted cash primarily related to collateral for our outstanding letters of credit.

4. Fair Value Measurements

We measure certain financial instruments at fair value using a fair value hierarchy. In the hierarchy, assets are classified based on the lowest level inputs used in valuation into the following categories:

•Level 1 — Quoted prices in active markets for identical assets and liabilities;

•Level 2 — Observable inputs including quoted market prices for similar assets and liabilities in active markets, quoted prices for identical assets and liabilities in inactive markets, or inputs that are corroborated by observable market data; and

•Level 3 — Unobservable inputs.

The following tables summarize assets that are measured at fair value on a recurring basis:


	March 31, 2024
(in thousands)	Level 1		Level 2		Level 3		Total
Cash equivalents
Money market funds	$	151,173	$	—	$	—	$	151,173
Total cash equivalents	$	151,173	$	—	$	—	$	151,173

Short-term investments
Commercial paper	$	—	$	78,345	$	—	$	78,345
Corporate bonds	—		70,027		—		70,027
Asset backed securities	—		18,514		—		18,514
Yankee bonds	—		8,901		—		8,901
U.S. Treasury and agency obligations	—		75,007		—		75,007
Total short-term investments	$	—	$	250,794	$	—	$	250,794

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	December 31, 2023
(in thousands)	Level 1		Level 2		Level 3		Total
Cash equivalents
Money market funds	$	130,375	$	—	$	—	$	130,375
Total cash equivalents	$	130,375	$	—	$	—	$	130,375

Short-term investments
Commercial paper	$	—	$	82,216	$	—	$	82,216
Corporate bonds	—		61,149		—		61,149
Asset backed securities	—		15,043		—		15,043
Yankee bonds	—		6,913		—		6,913
U.S. Treasury and agency obligations	—		71,519		—		71,519
Total short-term investments	$	—	$	236,840	$	—	$	236,840

At March 31, 2024 and December 31, 2023, we had $5.9 million and $9.4 million, respectively, of SAFE investments with privately held companies, which are included in other assets on our consolidated balance sheets. We record our SAFE investments at cost, less any impairment, plus or minus observable price changes for similar investments of the same issuer. During the three months ended March 31, 2024, we received $3.5 million in proceeds from one of our SAFE investments and expect to collect the remaining $0.9 million once escrow funds have been released. No material events impacted the carrying value of our SAFE investments in the three months ended March 31, 2024 and 2023.

We did not have any liabilities measured and recorded at fair value on a recurring basis at March 31, 2024 and December 31, 2023.

5. Property and Equipment, Net

Property and equipment, net consisted of the following:


(in thousands)	March 31, 2024		December 31, 2023
Computer software and equipment	$	21,526	$	21,845
Internally developed software	35,521		32,261
Furniture and fixtures	6,620		6,513
Leasehold improvements	28,552		29,354
Total	92,219		89,973
Less: accumulated depreciation and amortization	(46,638)		(44,537)
Property and equipment, net	$	45,581	$	45,436

Depreciation and amortization related to property and equipment was $3.6 million and $3.3 million in the three months ended March 31, 2024 and 2023, respectively.

6. Goodwill and Intangible Assets

At March 31, 2024 and December 31, 2023, our goodwill balance was $518.5 million.

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Acquired intangible assets subject to amortization are as follows:


	March 31, 2024						December 31, 2023
(in thousands)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Acquired technology	$	142,537	$	(40,188)	$	102,349	$	142,537	$	(35,520)	$	107,017
Trade name	490		(490)		—		490		(490)		—
	$	143,027	$	(40,678)	$	102,349	$	143,027	$	(36,010)	$	107,017

Amortization of acquired intangible assets was $4.7 million and $3.1 million in the three months ended March 31, 2024 and 2023, respectively. At March 31, 2024, our acquired intangible assets are expected to be amortized over an estimated remaining weighted average period of 6.0 years.

At March 31, 2024, estimated future amortization of acquired intangible assets is as follows:


(in thousands)
Year ending December 31,
2024(1)	$	14,007
2025	18,675
2026	18,490
2027	16,460
2028	13,417
Thereafter	21,300
Total	$	102,349

_______________

(1) Represents the nine months ending December 31, 2024.

7. Leases

We have operating leases for office facilities. The components of lease expense were as follows:


	Three Months Ended March 31,
(in thousands)	2024		2023
Operating lease cost	$	1,895	$	1,888

Rent expense for short-term leases in the three months ended March 31, 2024 and 2023 was not material.

Supplemental information related to leases was as follows:


	March 31, 2024	December 31, 2023
Operating leases
Weighted average remaining lease term	7.1 years	7.3 years
Weighted average discount rate	5.6%	5.6%

In the three months ended March 31, 2024 and 2023, we did not obtain any right-of-use assets in exchange for lease liabilities.

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Maturities of operating lease liabilities at March 31, 2024 were as follows:


(in thousands)
Year ending December 31,
2024(1)	$	6,450
2025	9,540
2026	8,862
2027	8,389
2028	7,528
Thereafter	23,280
Total lease payments	64,049
Less: Imputed interest	(11,747)

Total	$	52,302

_______________

(1) Represents the nine months ending December 31, 2024.

8. Debt

Credit Agreement

In July 2021, we entered into a credit agreement ("Credit Agreement") which is comprised of:

•a $375.0 million senior secured term loan facility ("Term Loan"); and

•a $50.0 million senior secured revolving credit facility ("Revolving Credit Facility").

The table below summarizes the carrying value of the Term Loan:


(in thousands)	March 31, 2024
Term loan	$	366,562
Less: Unamortized debt discount and issuance costs	(5,286)
Term loan, net of issuance costs	361,276
Less: Term loan, net, current (1)	(2,654)
Term loan, net of issuance costs (net of current portion)	$	358,622

_______________

(1) Term loan, net current is included in other current liabilities on our consolidated balance sheets.

The Term Loan bears interest at a rate of 2.75% per annum over the Secured Overnight Financing Rate ("SOFR"), subject to a 0.50% floor, plus a credit spread adjustment depending on the interest period. The Term Loan is being amortized at 1% per annum in equal quarterly installments until the final payment of $350.6 million on the July 7, 2028 maturity date.

Our Term Loan is recorded at its carrying value. At March 31, 2024, the fair value of our Term Loan was approximately $366.1 million. In the fair value hierarchy, our Term Loan is classified as Level 2 as it is traded in less active markets.

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The maturities of the Term Loan at March 31, 2024 were as follows:


(in thousands)
Year ending December 31,
2024(1)	$	2,812
2025	3,750
2026	3,750
2027	3,750
2028	352,500
Total	$	366,562

_______________

(1) Represents the nine months ending December 31, 2024.

We may be subject to mandatory Term Loan prepayments related to the excess cash flow provisions. These prepayments would only be required if our first lien net leverage ratio (as defined in our Credit Agreement) exceeds 3.5 at the end of each year. At March 31, 2024, our first lien net leverage ratio was 1.14.

The Revolving Credit Facility bears interest at a rate, depending on first lien net leverage, ranging from 2.00% to 2.50% over SOFR and matures on July 7, 2026. Additionally, we pay a commitment fee during the term ranging from 0.25% to 0.375% per annum of the average daily undrawn portion of the revolving commitments based on the first lien net leverage ratio. The Revolving Credit Facility contains a $15.0 million letter of credit sublimit. At March 31, 2024, we had $0.2 million of standby letters of credit outstanding under our Revolving Credit Facility related to one of our operating leases. At March 31, 2024, we were in compliance with the covenants under the Credit Agreement.

9. Commitments and Contingencies

Commitments

In December 2023, we entered into a contract with Microsoft for cloud services from February 2024 through January 2027. Under the terms of the contract we committed to spend €28.5 million. If we do not meet our commitment by the end of the term, we will be required to pay the difference. As of March 31, 2024, we have spent €1.2 million of our commitment.

In July 2021, we entered into a contract with Amazon Web Services, Inc. ("AWS") for cloud services from August 2021 through July 2024. Under the terms of the contract, we committed to spend $43.7 million, $46.8 million and $50.1 million in contract years one, two and three, respectively, for a total of $140.6 million. If we do not meet the minimum purchase obligation during any of those years, we will be required to pay the difference. We met our commitments for both the first and second years of our contract with AWS, and as of March 31, 2024, we have spent $47.7 million of our third year commitment.

Letters of Credit

At March 31, 2024, we had $5.7 million of standby letters of credit related to our grant agreements with the State of Maryland and our operating leases.

10. Stock-Based Compensation

In 2018, our Board of Directors adopted, and our stockholders approved, our 2018 Equity Incentive Plan ("2018 Plan"). Under the evergreen provision in the 2018 Plan, in January 2024 we reserved an additional 5.9 million shares of our common stock. At March 31, 2024, there were 26.3 million shares available for grant.

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Stock-based compensation expense included in the consolidated statements of operations was as follows:


	Three Months Ended March 31,
(in thousands)	2024		2023
Cost of revenue	$	2,982	$	2,625
Sales and marketing	15,300		14,394
Research and development	11,161		8,865
General and administrative	10,276		8,233
Total stock-based compensation expense	$	39,719	$	34,117

A summary of the unrecognized stock-based compensation expense related to unvested stock at March 31, 2024 is presented below:


	Unrecognized Stock-Based Compensation Expense (in thousands)		Estimated Weighted Average Period (in years)
Restricted Stock Units ("RSUs")	$	374,535	3.0
Performance Stock Units ("PSUs")	11,281		3.5
Restricted Share Awards	11,400		2.0
2018 Employee Stock Purchase Plan ("2018 ESPP")	5,508		0.8

Restricted Stock, RSUs and PSUs

A summary of our restricted stock, RSU and PSU activity is presented below:


	Restricted Stock			RSUs			PSUs
(in thousands, except for per share data)	Number of Shares	Weighted Average Grant Date Fair Value		Number of Shares	Weighted Average Grant Date Fair Value		Number of Shares	Weighted Average Grant Date Fair Value
Unvested balance at December 31, 2023	311	$	45.67	7,343	$	43.80	258	$	43.90
Granted	—	—		3,153	47.31		170	47.20
Performance adjustment(1)	—	—		—	—		(10)	43.24
Vested	(31)	45.67		(1,313)	42.51		(48)	43.63
Forfeited	—	—		(345)	44.45		—	—
Unvested balance at March 31, 2024	280	45.67		8,838	45.20		370	45.47

_______________

(1) Represents adjustments due to the achievement of predefined financial performance targets.

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Stock Options

A summary of our stock option activity is presented below:


(in thousands, except for exercise prices and years)	Number of Shares	Weighted Average Exercise Price		Weighted-Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value
Outstanding at December 31, 2023	5,095	$	8.95	3.5	$	189,108

Exercised	(455)	4.11			20,073
Forfeited/canceled	—	—			—
Outstanding and exercisable at March 31, 2024	4,640	9.42		3.3	185,636

2018 Employee Stock Purchase Plan

Under the evergreen provision in our 2018 ESPP, in January 2024 we reserved an additional 1.8 million shares of our common stock. At March 31, 2024, there were 10.1 million shares reserved for issuance under our 2018 ESPP.

In the three months ended March 31, 2024, employees purchased 304,753 shares of our common stock at a weighted average price of $32.43 per share, resulting in $9.9 million of cash proceeds. At March 31, 2024, there was $1.6 million of employee contributions to the 2018 ESPP included in accrued compensation.

The fair value of the 2018 ESPP purchase rights was estimated on the offering or modification dates using a Black-Scholes option-pricing model and the following assumptions:


	Three Months Ended March 31,
	2024	2023
Expected term (in years)	0.5 — 2.0	0.5 — 2.0
Expected volatility	41.1% — 51.4%	51.0% — 58.1%
Risk-free interest rate	4.4% — 5.1%	4.8% — 5.0%
Expected dividend yield	—	—

11. Income Taxes

In the three months ended March 31, 2024, the provision for income taxes included $0.4 million of income taxes in foreign jurisdictions in which we conduct business and $1.3 million of discrete items primarily related to withholding taxes on sales to customers.

In the three months ended March 31, 2023, the provision for income taxes included $1.9 million of income taxes in foreign jurisdictions in which we conduct business and $1.3 million of discrete expense primarily related to withholding taxes on sales to customers.

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12. Net Loss Per Share

The following table sets forth the computation of basic and diluted net loss per share:


	Three Months Ended March 31,
(in thousands, except per share data)	2024		2023
Net loss	$	(14,386)	$	(25,097)

Weighted-average shares used to compute net loss per share, basic and diluted	117,542		113,791
Net loss per share, basic and diluted	$	(0.12)	$	(0.22)

The following potentially dilutive securities have been excluded from the diluted per share calculations because they would have been antidilutive:


	March 31,
(in thousands)	2024	2023
RSUs	8,838	8,706
Stock options	4,640	5,405
Shares to be issued under the 2018 ESPP	45	78

PSUs	200	156
Restricted stock	280	—
Total	14,003	14,345

13. Geographic Information

We operate as one operating segment. Our Chief Executive Officer, who is our chief operating decision maker, reviews financial information on a consolidated basis for purposes of making operating decisions, allocating resources and evaluating financial performance.

Revenue by region, based on the address of the end user as specified in our subscription, license or service agreements, was as follows:


	Three Months Ended March 31,
(in thousands)	2024		2023
The Americas	$	134,483	$	119,284
Europe, Middle East and Africa	57,038		48,259
Asia Pacific	24,440		21,296
Revenue	$	215,961	$	188,839

Customers located in the United States accounted for 54% of revenue in the three months ended March 31, 2024 and 56% of revenue in the three months ended March 31, 2023. No other country accounted for 10% or more of revenue in the periods presented.

Our property and equipment, net by geographic area is summarized as follows:


(in thousands)	March 31, 2024		December 31, 2023
United States	$	40,482	$	39,497
International	5,099		5,939
Property and equipment, net	$	45,581	$	45,436

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Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with (1) our consolidated financial statements and related notes included elsewhere in this Quarterly Report on Form 10-Q, or this Form 10-Q, and (2) our consolidated financial statements, related notes and management's discussion and analysis of financial condition and results of operations in our Annual Report on Form 10-K for the year ended December 31, 2023, or the 10-K, filed with the Securities and Exchange Commission on February 28, 2024. This Form 10-Q contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, or the Securities Act, and Section 21E of the Securities Exchange Act of 1934, as amended, or the Exchange Act. These statements are often identified by the use of words such as “anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “intend,” “may,” “plan,” “project,” “will,” “would” or the negative or plural of these words or similar expressions or variations. Such forward-looking statements are subject to a number of risks, uncertainties, assumptions and other factors that could cause actual results and the timing of certain events to differ materially from future results expressed or implied by the forward-looking statements. Factors that could cause or contribute to such differences include, but are not limited to, those identified herein, and those discussed in the section titled “Risk Factors,” set forth in Part I, Item IA of the 10-K, in Part II, Item 1A of this Form 10-Q and in our other filings with the SEC. You should not rely upon forward-looking statements as predictions of future events. Furthermore, such forward-looking statements speak only as of the date of this report. Except as required by law, we undertake no obligation to update any forward-looking statements to reflect events or circumstances after the date of such statements.

Overview

We are a leading provider of exposure management solutions. Exposure management is an effective discipline for measuring, comparing and reducing cybersecurity risk in today's complex IT environments.

Our Tenable One Exposure Management Platform, or Tenable One, unifies a variety of data sources into a single exposure view to help organizations gain visibility, prioritize efforts and communicate cyber risks. Building on our existing products, Tenable One is designed to take advantage of the integrations that already exist with our partners and form the foundation of an exposure management program, alongside the other tools, such as endpoint detection and response and firewalls, and required business processes.

With Tenable One, organizations can translate technical data about assets, vulnerabilities and threats into clear business insights and actionable intelligence for security executives and practitioners. The platform combines broad, industry-leading vulnerability coverage, spanning IT assets, cloud resources, containers, web apps and identity systems. Tenable One builds on the speed and breadth of vulnerability coverage from Tenable Research and adds aggregated exposure view analytics, guidance on mitigating attack pathways and a centralized asset inventory.

Tenable One incorporates Tenable Vulnerability Management, Tenable Web App Scanning, Tenable Lumin, Tenable Cloud Security, Tenable Identity Exposure, Tenable Attack Surface Management, Tenable Security Center and Tenable OT Security. All of these products are also offered as standalone solutions, alongside Nessus.

Our platform offerings are primarily sold on a subscription basis with a one-year term. Our subscription terms are generally not longer than three years. These offerings are typically prepaid in advance. To a lesser extent, we recognize revenue ratably for perpetual licenses and the related ongoing maintenance.

Revenue in the three months ended March 31, 2024 and 2023 was $216.0 million and $188.8 million, respectively, representing year-over-year growth of 14%. Our recurring revenue, which includes revenue from subscription arrangements for software (both revenue recognized ratably over the subscription term and upon delivery) and cloud-based solutions and maintenance associated with perpetual licenses, represented 96% and 95% of revenue in the three months ended March 31, 2024 and 2023, respectively. Our net loss in the three months ended March 31, 2024 and 2023

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was $14.4 million and $25.1 million, respectively, as we continue to invest in our business. Our cash flows from operating activities was $50.3 million and $38.7 million in the three months ended March 31, 2024 and 2023, respectively.

Financial Highlights

Below are our key financial results:


	Three Months Ended March 31,
(in thousands, except per share data)	2024		2023
Revenue	$	215,961	$	188,839
Loss from operations	(8,930)		(19,156)
Net loss	(14,386)		(25,097)
Net loss per share, basic and diluted	(0.12)		(0.22)
Net cash provided by operating activities	50,326		38,746
Purchases of property and equipment	(665)		(387)
Capitalized software development costs	(2,532)		(1,023)

Key Operating and Financial Metrics

To supplement our consolidated financial statements, which are prepared and presented in accordance with GAAP, we use and monitor the following operating and financial metrics, which include non-GAAP financial measures, to understand and evaluate our core operating and financial performance.

Calculated Current Billings

We use the non-GAAP measure of calculated current billings, which we believe is a key metric to measure our periodic performance. Given that most of our customers pay in advance, we typically recognize a majority of the related revenue ratably over time. We use calculated current billings to measure and monitor our ability to provide our business with the working capital generated by upfront payments from our customers.

Calculated current billings consists of revenue recognized in a period plus the change in current deferred revenue in the corresponding period. We believe that calculated current billings, which excludes deferred revenue for periods beyond twelve months in a customer’s contractual term, more closely correlates with annual contract value. Variability in total billings, depending on the timing of large multi-year contracts and the preference for annual billing versus multi-year upfront billing, may distort growth in one period over another.

Calculated current billings may vary from period-to-period for a number of reasons, and therefore has a number of limitations as a quarter-to-quarter or year-over-year comparative measure. Calculated current billings in any one period may be impacted by the timing and amount of new sales transactions, the timing and amount of renewal transactions, including early renewals, the mix of the amount of subscriptions and perpetual licenses, and the timing of billing professional services, as well as the timing and amount of multi-year prepaid contracts, all of which could favorably or unfavorably impact quarter-to-quarter and year-over-year comparisons. For example, an increasing number of large sales transactions, for which the timing has and will continue to vary, may occur in quarters subsequent to or in advance of those that we anticipate. Additionally, our calculation of calculated current billings may be different from other companies that report similar financial measures. Because of these and other limitations, you should consider calculated current billings along with revenue and our other GAAP financial results.

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The following table presents a reconciliation of revenue, the most directly comparable financial measure calculated in accordance with GAAP, to calculated current billings:


	Three Months Ended March 31,
(in thousands)	2024		2023
Revenue	$	215,961	$	188,839
Deferred revenue (current), end of period	562,575		490,076
Deferred revenue (current), beginning of period	(580,779)		(502,115)
Calculated current billings	$	197,757	$	176,800

Free Cash Flow

We use the non-GAAP measure of free cash flow, which we define as GAAP net cash flows from operating activities reduced by purchases of property and equipment and capitalized software development costs. We believe free cash flow is an important liquidity measure of the cash (if any) that is available, after purchases of property and equipment and capitalized software development costs, for investment in our business and to make acquisitions. We believe that free cash flow is useful as a liquidity measure because it measures our ability to generate or use cash.

Our use of free cash flow has limitations as an analytical tool and you should not consider it in isolation or as a substitute for an analysis of our results under GAAP. First, free cash flow is not a substitute for net cash flows from operating activities. Second, other companies may calculate free cash flow or similarly titled non-GAAP financial measures differently or may use other measures to evaluate their performance, all of which could reduce the usefulness of free cash flow as a tool for comparison. Additionally, the utility of free cash flow is further limited as it does not reflect our future contractual commitments and does not represent the total increase or decrease in our cash balance for a given period. Because of these and other limitations, you should consider free cash flow along with net cash provided by operating activities and our other GAAP financial measures.

The following table presents a reconciliation of net cash provided by operating activities, the most directly comparable financial measure calculated in accordance with GAAP, to free cash flow:


	Three Months Ended March 31,
(in thousands)	2024		2023
Net cash provided by operating activities	$	50,326	$	38,746
Purchases of property and equipment	(665)		(387)
Capitalized software development costs	(2,532)		(1,023)
Free cash flow(1)	$	47,129	$	37,336

_______________

(1) Free cash flow for the periods presented was impacted by:


	Three Months Ended March 31,
(in thousands)	2024		2023
Cash paid for interest and other financing costs	$	(7,611)	$	(6,820)
Employee stock purchase plan activity	(6,332)		(4,690)
Acquisition-related expenses	(466)		(238)
Restructuring	(3,822)		—

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Customer Metrics

We believe that our customer base provides a significant opportunity to expand sales of our enterprise platform offerings. We define an enterprise platform customer as a customer that has licensed Tenable One, Tenable Vulnerability Management, Tenable Cloud Security, Tenable Identity Exposure, Tenable OT Security or Tenable Security Center for an annual amount of $5,000 or greater. New enterprise platform customers represent new customer logos during the periods presented and do not include customer conversions from Tenable Nessus Expert to enterprise platforms. The following tables summarize key components of our customer base:


	Three Months Ended March 31,
	2024	2023	Change (%)
Number of new enterprise platform customers added in period	410	379	8%


	March 31,
	2024	2023	Change (%)
Number of customers with $100,000 and greater in annual contract value at end of period	1,717	1,444	19%

Dollar-Based Net Expansion Rate

Our dollar-based net expansion rate reflects both our customer retention and ability to drive additional sales to our existing customers. Our dollar-based net expansion rate has historically fluctuated and is expected to continue to fluctuate on a quarterly basis as a result of a number of factors, including existing customers' satisfaction with our solutions, existing customer retention, the pricing of our solutions, the availability of competing solutions and the pricing thereof, and the timing of customer renewals. In addition, our sales pipeline opportunities vary from quarter to quarter between new customers and expansion from existing customers, and we do not prioritize one over the other to maximize the dollar-based net expansion rate.

Our dollar-based net expansion rate is evaluated on a last twelve months, or LTM, basis, and is calculated as follows:

•Denominator: To calculate our dollar-based net expansion rate as of the end of a reporting period, we first determine the annual recurring revenue, or ARR, from all active subscriptions (both revenue recognized ratably over the subscription term and upon delivery) and maintenance from perpetual licenses as of the last day of the same reporting period in the prior year. This represents recurring payments that we expect to receive in the next 12-month period from the cohort of customers that existed on the last day of the same reporting period in the prior year.

•Numerator: We measure the ARR for that same cohort of customers representing all subscriptions and maintenance from perpetual licenses based on customer orders as of the end of the reporting period.

We calculate dollar-based net expansion rate by dividing the numerator by the denominator.

The following table presents our dollar-based net expansion rate:


	March 31,
	2024		2023
Dollar-based net expansion rate	109	%	113	%

Non-GAAP Income from Operations and Non-GAAP Operating Margin

We use non-GAAP income from operations along with non-GAAP operating margin as key indicators of our financial performance. We define these non-GAAP financial measures as their respective GAAP measures, excluding the effects of stock-based compensation, acquisition-related expenses, restructuring expenses, costs related to the intra-entity asset transfers resulting from the internal restructuring of legal entities and amortization of acquired intangible assets.

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Acquisition-related expenses include transaction and integration expenses, as well as costs related to the intercompany transfer of acquired intellectual property. Restructuring expenses include non-ordinary course severance, employee related benefits and other charges to reorganize business operations.

We believe that these non-GAAP financial measures provide useful information about our core operating results over multiple periods. There are a number of limitations related to the use of the non-GAAP financial measures as compared to GAAP loss from operations and operating margin, including that non-GAAP income from operations and non-GAAP operating margin exclude stock-based compensation expense, which has been, and will continue to be, a significant recurring expense in our business and an important part of our compensation strategy.

The following table presents a reconciliation of loss from operations, the most directly comparable financial measure calculated in accordance with GAAP, to non-GAAP income from operations, and operating margin, the most directly comparable financial measure calculated in accordance with GAAP, to non-GAAP operating margin:


	Three Months Ended March 31,
(dollars in thousands)	2024			2023
Loss from operations	$	(8,930)		$	(19,156)
Stock-based compensation	39,719			34,117
Acquisition-related expenses	161			100
Restructuring	1,389			—

Amortization of acquired intangible assets	4,669			3,080
Non-GAAP income from operations	$	37,008		$	18,141

Operating margin	(4)		%	(10)		%
Non-GAAP operating margin	17		%	10		%

Non-GAAP Net Income and Non-GAAP Earnings Per Share

We use non-GAAP net income, which excludes stock-based compensation, acquisition-related expenses, restructuring expenses and amortization of acquired intangible assets, as well as the related tax impacts, and the tax impact and related costs of intra-entity asset transfers resulting from the internal restructuring of legal entities as well as deferred income tax benefits recognized in connection with acquisitions, to calculate non-GAAP earnings per share. We believe that these non-GAAP measures provide important information because they facilitate comparisons of our core operating results over multiple periods.

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The following table presents a reconciliation of net loss and net loss per share, the most comparable financial measures calculated in accordance with GAAP, to non-GAAP net income and non-GAAP earnings per share:


	Three Months Ended March 31,
(in thousands, except for per share amounts)	2024		2023
Net loss	$	(14,386)	$	(25,097)
Stock-based compensation	39,719		34,117
Tax impact of stock-based compensation(1)	(1,077)		917
Acquisition-related expenses(2)	161		100
Restructuring(2)	1,389		—

Amortization of acquired intangible assets(3)	4,669		3,080
Tax impact of acquisitions	(35)		(54)

Non-GAAP net income	$	30,440	$	13,063

Net loss per share, diluted	$	(0.12)	$	(0.22)
Stock-based compensation	0.34		0.30
Tax impact of stock-based compensation(1)	(0.01)		—
Acquisition-related expenses(2)	—		—
Restructuring(2)	0.01		—

Amortization of acquired intangible assets(3)	0.04		0.03
Tax impact of acquisitions	—		—

Adjustment to diluted earnings per share(4)	(0.01)		—
Non-GAAP earnings per share, diluted	$	0.25	$	0.11

Weighted-average shares used to compute GAAP net loss per share, diluted	117,542		113,791

Weighted-average shares used to compute non-GAAP earnings per share, diluted	123,266		119,264

________________

(1) The tax impact of stock-based compensation is based on the tax treatment for the applicable tax jurisdictions.

(2) The tax impact of acquisition-related expenses and restructuring are not material.

(3) The tax impact of the amortization of acquired intangible assets is included in the tax impact of acquisitions.

(4) An adjustment to reconcile GAAP net loss per share, which excludes potentially dilutive shares, to non-GAAP earnings per share, which includes potentially dilutive shares.

Components of Our Results of Operations

Revenue

We generate revenue from subscription arrangements for our software and cloud-based solutions, perpetual licenses, maintenance associated with perpetual licenses and professional services.

Our subscription arrangements generally have annual or multi-year contractual terms to use our software or cloud-based solutions, including ongoing software updates during the contractual period. For software subscriptions that are dependent on ongoing software updates and the ability to identify the latest cybersecurity vulnerabilities, revenue is recognized ratably over the subscription term given the critical utility provided by the ongoing updates that are released through the contract period. When the critical utility of our software does not depend on ongoing updates, we recognize revenue attributable to the license at the time of delivery and the revenue attributable to the maintenance and support ratably over the contract period.

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Our perpetual licenses are generally sold with one or more years of maintenance, which includes ongoing software updates. Given the critical utility provided by the ongoing software updates and updated ability to identify network vulnerabilities included in maintenance, we combine the perpetual license and the maintenance into a single performance obligation. Perpetual license arrangements generally contain a material right related to the customer’s ability to renew maintenance at a price that is less than the initial license fee. We apply a practical alternative to allocating a portion of the transaction price to the material right performance obligation and estimate a hypothetical transaction price which includes fees for expected maintenance renewals based on the estimated economic life of perpetual license contracts. We allocate the transaction price between the cybersecurity subscription provided in the initial contract and the material right related to expected contract renewals based on the hypothetical transaction price. We recognize the amount allocated to the combined license and maintenance performance obligation over the initial contractual period, which is generally one year. We recognize the amount allocated to the material right over the expected maintenance renewal period, which begins at the end of the initial contractual term and is generally four years. We have estimated the five-year economic life of perpetual license contracts based on historical contract attrition, expected renewal periods, the lifecycle of our technology and other factors. This estimate may change over time.

Professional services and other revenue is primarily comprised of advisory services and training related to the deployment and optimization of our products. These services do not result in significant customization of our products. Professional services and other revenue is recognized as the services are performed.

We have historically experienced, and expect in the future to experience, seasonality in entering into agreements with customers. We typically enter into a significantly higher percentage of agreements with new customers, as well as renewal agreements with existing customers, in the third and fourth quarters of the year. The increase in customer agreements in the third quarter is primarily attributable to U.S. government and related agencies, and the increase in the fourth quarter is primarily attributable to large enterprise account buying patterns typical in the software industry. The ratable nature of our subscription revenue makes this seasonality less apparent in our overall financial results. While sales cycles improved in the three months ended March 31, 2024, we continue to expect longer purchasing and approval phases of our sales cycle during 2024.

Cost of Revenue, Gross Profit and Gross Margin

Cost of revenue includes personnel costs related to our technical support group that provides assistance to customers, including salaries, benefits, bonuses, payroll taxes, stock-based compensation and any ordinary course severance. Cost of revenue also includes cloud infrastructure costs, the costs related to professional services and training, depreciation, amortization of acquired and developed technology, hardware costs and allocated overhead costs, which consist of information technology, facilities and insurance.

We intend to continue to invest additional resources in our cloud-based platform and customer support team as we grow our business. The level and timing of investment in these areas could affect our cost of revenue in the future.

Gross profit, or revenue less cost of revenue, and gross margin, or gross profit as a percentage of revenue, have been and will continue to be affected by various factors, including the timing of our acquisition of new customers and our renewals of and follow-on sales to existing customers, the costs associated with operating our cloud-based platform, the extent to which we expand our customer support team and the extent to which we can increase the efficiency of our technology and infrastructure through technological improvements.

We expect our gross profit to increase in absolute dollars but our gross margin may fluctuate from period to period depending on the interplay of all of these factors, particularly as it relates to cloud infrastructure costs, as we expect revenue from our cloud-based subscriptions to increase as a percentage of revenue.

Operating Expenses

Our operating expenses consist of sales and marketing, research and development, general and administrative and restructuring expenses. Personnel costs are the most significant component of operating expenses and consist of

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salaries, benefits, bonuses, payroll taxes, stock-based compensation and ordinary course severance. Operating expenses also include depreciation and amortization as well as allocated overhead costs, including IT and facilities costs.

Sales and Marketing

Sales and marketing expense consists of personnel costs, sales commissions, marketing programs, travel and entertainment, expenses for conferences, meetings and events and allocated overhead costs. We capitalize sales commissions, including related fringe benefit costs, and recognize the expense over an estimated period of benefit, which ranges between three and four years for subscription arrangements and five years for perpetual license arrangements. Sales commissions on contract renewals are capitalized and amortized ratably over the contract term, with the exception of contracts with renewal periods that are one year or less, in which case the incremental costs are expensed as incurred. Sales commissions on professional services arrangements are expensed as incurred as the contractual periods of these arrangements are generally less than one year.

We intend to continue to make investments in our sales and marketing teams to increase revenue, further penetrate the market and expand our global customer base. We expect our sales and marketing expense to increase in absolute dollars annually and to be our largest operating expense category for the foreseeable future. However, as our revenue increases, we expect our sales and marketing expense to decrease as a percentage of our revenue over the long term. Our sales and marketing expense may fluctuate from period to period due to the timing and extent of these expenses, including sales commissions, which may fluctuate depending on the mix of sales and related expense recognition.

Research and Development

Research and development expense consists of personnel costs, software used to develop our products, travel and entertainment, consulting and professional fees for third-party development resources as well as allocated overhead. Our research and development expense supports our efforts to continue to add capabilities to our existing products and enable the continued detection of new network vulnerabilities.

We expect our research and development expense to continue to increase annually in absolute dollars for the foreseeable future as we continue to invest in research and development efforts to enhance the functionality of our cloud-based platform. However, we expect our research and development expense to decrease as a percentage of our revenue over the long term, although our research and development expense may fluctuate from period to period due to the timing and extent of these expenses.

General and Administrative

General and administrative expense consists of personnel costs for our executive, finance, legal, human resources and administrative departments. Additional expenses include travel and entertainment, professional fees, insurance, allocated overhead and acquisition-related expenses.

We expect our general and administrative expense to continue to increase in absolute dollars and decrease as a percentage of our revenue over the long term, although our general and administrative expense may fluctuate from period to period due to the timing and extent of these expenses.

Restructuring

Restructuring expenses consist of non-ordinary course severance, employee related benefits and other charges to reorganize business operations.

Interest Income, Interest Expense and Other Expense, Net

Interest income consists of income earned on cash and cash equivalents and short-term investments. Interest expense consists primarily of interest expense in connection with our senior secured term loan facility, or Term Loan, unused commitment fees on our senior secured revolving credit facility, or Revolving Credit Facility, and letter of credit fees. Other expense, net consists primarily of foreign currency remeasurement and transaction gains and losses and any

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realized and unrealized gains and losses, including impairment losses related to our non-marketable simple agreements for future equity ("SAFE") investments.

Provision (Benefit) for Income Taxes

Provision (benefit) for income taxes consists of income taxes in all foreign jurisdictions in which we conduct business and the related withholding taxes on sales with customers. We have recorded deferred tax assets for which a full valuation allowance has been provided, including net operating loss carryforwards and tax credits. We expect to maintain this full valuation allowance for the foreseeable future as it is more likely than not that some or all of those deferred tax assets may not be realized based on our history of losses.

Results of Operations

The following tables set forth our consolidated results of operations for the periods presented:


	Three Months Ended March 31,
(in thousands)	2024		2023
Revenue	$	215,961	$	188,839
Cost of revenue(1)	48,932		45,506
Gross profit	167,029		143,333
Operating expenses:
Sales and marketing(1)	99,825		97,191
Research and development(1)	43,727		38,183
General and administrative(1)	31,018		27,115
Restructuring	1,389		—
Total operating expenses	175,959		162,489
Loss from operations	(8,930)		(19,156)
Interest income	5,624		5,095
Interest expense	(8,112)		(7,339)
Other expense, net	(1,310)		(547)
Loss before income taxes	(12,728)		(21,947)
Provision for income taxes	1,658		3,150
Net loss	$	(14,386)	$	(25,097)

_______________

(1) Includes stock-based compensation expense as follows:


	Three Months Ended March 31,
(in thousands)	2024		2023
Cost of revenue	$	2,982	$	2,625
Sales and marketing	15,300		14,394
Research and development	11,161		8,865
General and administrative	10,276		8,233
Total stock-based compensation expense	$	39,719	$	34,117

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Comparison of the Three Months Ended March 31, 2024 and 2023

Revenue

The following table presents the increase in revenue:


	Three Months Ended March 31,				Change
(dollars in thousands)	2024		2023		($)		(%)
Subscription revenue	$	197,635	$	171,098	$	26,537	16	%
Perpetual license and maintenance revenue	12,156		12,181		(25)		—	%
Professional services and other revenue	6,170		5,560		610		11	%
Revenue	$	215,961	$	188,839	$	27,122	14	%

The increase in revenue of $27.1 million included $29.3 million from existing customers at April 1, 2023, net of a decrease from new customers of $2.2 million. U.S. revenue increased $12.0 million, or 11%. International revenue increased $15.1 million, or 18%.

Cost of Revenue, Gross Profit and Gross Margin


	Three Months Ended March 31,						Change
(dollars in thousands)	2024			2023			($)		(%)
Cost of revenue	$	48,932		$	45,506		$	3,426	8	%
Gross profit	167,029			143,333			23,696		17	%
Gross margin	77		%	76		%

The increase in cost of revenue of $3.4 million was primarily due to:

•a $1.6 million increase in amortization of acquired intangibles;

•a $0.9 million increase in cloud costs;

•a $0.4 million increase in personnel costs, primarily due to an increase in stock-based compensation; and

•a $0.3 million increase in professional fees.

Operating Expenses

Sales and Marketing


	Three Months Ended March 31,				Change
(dollars in thousands)	2024		2023		($)		(%)
Sales and marketing	$	99,825	$	97,191	$	2,634	3	%

The increase in sales and marketing expense of $2.6 million was primarily due to:

•a $1.1 million increase in allocated overhead;

•a $0.7 million increase in sales commissions;

•a $0.5 million increase in expenses for demand generation programs, including advertising, sponsorships and brand awareness efforts; and

•a $0.4 million increase in selling expenses.

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Research and Development


	Three Months Ended March 31,				Change
(dollars in thousands)	2024		2023		($)		(%)
Research and development	$	43,727	$	38,183	$	5,544	15	%

The increase in research and development expense of $5.5 million was primarily due to:

•a $2.5 million increase in personnel costs, including $2.3 million increase in stock-based compensation expense, partially offset by a $2.0 million increase in capitalized wages;

•a $0.9 million decrease in tax credits;

•a $0.8 million increase in third-party cloud infrastructure costs;

•a $0.7 million increase in allocated overhead;

•a $0.3 million increase in depreciation and amortization; and

•a $0.3 million increase in subscription costs.

General and Administrative


	Three Months Ended March 31,				Change
(dollars in thousands)	2024		2023		($)		(%)
General and administrative	$	31,018	$	27,115	$	3,903	14	%

The increase in general and administrative expense of $3.9 million was primarily due to:

•a $3.3 million increase in personnel costs, including a $2.0 million increase in stock-based compensation expense;

•a $0.7 million increase in professional fees; and

•a $0.1 million increase in acquisition-related expenses; partially offset by

•a $0.3 million decrease in allocated overhead.

Restructuring


	Three Months Ended March 31,				Change
(dollars in thousands)	2024		2023		($)		(%)
Restructuring	$	1,389	$	—	$	1,389	100	%

The $1.4 million in restructuring includes non-ordinary course severance and employee related benefits related to the optimization of our go-to-market efforts including a reduced reliance on sales specialists and an emphasis on streamlining layers of management. We are currently in negotiation to sublease a portion of our headquarters, which could result in a non-cash impairment charge of $6 million to $7 million in the three months ending June 30, 2024.

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Interest Income, Interest Expense and Other Expense, Net


	Three Months Ended March 31,				Change
(dollars in thousands)	2024		2023		($)		(%)
Interest income	$	5,624	$	5,095	$	529	10	%
Interest expense	(8,112)		(7,339)		(773)		11	%
Other expense, net	(1,310)		(547)		(763)		139	%

The $0.5 million increase in interest income was due to higher interest rates on cash and cash equivalents and short-term investments. The $0.8 million increase in interest expense was primarily related to an increase in the variable rate of our Term Loan. The $0.8 million increase in other expense, net was primarily due to foreign exchange losses.

Provision for Income Taxes


	Three Months Ended March 31,				Change
(dollars in thousands)	2024		2023		($)		(%)
Provision for income taxes	$	1,658	$	3,150	$	(1,492)	(47)	%

In the three months ended March 31, 2024, the provision for income taxes included:

•$1.3 million of discrete items primarily related to withholding taxes on sales to customers; and

•$0.4 million of income taxes in foreign jurisdictions in which we conduct business.

In the three months ended March 31, 2023, the provision for income taxes included:

•$1.9 million of income taxes in foreign jurisdictions in which we conduct business; and

•$1.3 million of discrete items primarily related to withholding taxes on sales to customers.

Liquidity and Capital Resources

At March 31, 2024, we had $260.0 million of cash and cash equivalents, which consisted of bank deposits and money market funds, and $250.8 million of short-term investments, which consisted of commercial paper, asset backed securities, U.S. Treasury and agency obligations and corporate and Yankee bonds.

Since our inception, we have primarily financed our operations through cash provided by operations, including payments received from customers using our software products and services. Prior to our IPO, we did not raise any primary institutional capital, and the proceeds of our Series A and Series B redeemable convertible preferred stock financings were used to repurchase shares of capital stock from former stockholders. We have generated significant operating losses as reflected by our accumulated deficit of $839.4 million at March 31, 2024.

We typically invoice our customers annually in advance and, to a lesser extent, multi-years in advance. Therefore, a substantial source of our cash is from such prepayments, which are included in deferred revenue on our consolidated balance sheets. Deferred revenue consists primarily of the unearned portion of billed fees for our subscriptions and perpetual licenses, which is subsequently recognized as revenue in accordance with our revenue recognition policy. At March 31, 2024, we had deferred revenue of $722.7 million, of which $562.6 million was recorded as a current liability and is expected to be recognized as revenue in the next 12 months, provided all other revenue recognition criteria are met.

Our principal uses of cash in recent periods have been funding our operations, expansion of our sales and marketing and research and development activities, investments in infrastructure, and acquiring complementary businesses and technology. In October 2023, we acquired Ermetic for approximately $244 million in cash. We may in the future enter into arrangements to acquire or invest in other complementary businesses, services and technologies, including intellectual property rights.

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We expect to continue incurring operating losses in the near term. Even though we generated positive cash flows from operations and free cash flow in the three months ended March 31, 2024, we may not be able to sustain these cash flows. We believe that our existing cash and cash equivalents and short-term investments will be sufficient to fund our operating and capital needs for at least the next 12 months and for the foreseeable future. Our future capital requirements will depend on many factors, including our revenue growth rate, subscription renewal activity, the timing and extent of spending to support further infrastructure and research and development efforts, the timing and extent of additional capital expenditures to invest in new and existing office spaces, the expansion of sales and marketing and international operating activities, any acquisitions of complementary businesses and technologies, the timing of our introduction of new product capabilities and enhancements of our platform and the continuing market acceptance of our platform. It may be necessary to seek additional equity or debt financing to fund our operating and capital needs. In the event that financing is required from outside sources, we may not be able to raise it on terms acceptable to us or at all. If we are unable to raise additional capital when desired, or if we cannot expand our operations or otherwise capitalize on our business opportunities because we lack sufficient capital, our business, operating results and financial condition would be adversely affected.

Stock Repurchase Plan

In November 2023, our Board of Directors authorized the repurchase of up to $100 million of our common stock. In the three months ended March 31, 2024 we purchased 525,773 shares for $25.0 million. The remaining amount available to purchase stock under the stock repurchase program was $60.1 million at March 31, 2024.

Term Loan and Revolving Credit Facility

In July 2021, we entered into a credit agreement, or the Credit Agreement, which is comprised of a $375.0 million Term Loan and a $50.0 million Revolving Credit Facility, with a $15.0 million letter of credit sublimit. The Term Loan bears interest at a rate of 2.75% per annum over SOFR, subject to a 0.50% floor, plus a credit spread adjustment depending on the interest period.

From January to March 2024, interest rates on our Term Loan have been between 8.19% and 8.22%. The Term Loan is being amortized at 1% per annum in equal quarterly installments until the final payment of $350.6 million on the July 7, 2028 maturity date. We may be subject to mandatory Term Loan prepayments related to the excess cash provisions in the Credit Agreement if our first lien net leverage ratio (as defined in the Credit Agreement) exceeds 3.5. At March 31, 2024, our first lien net leverage ratio was 1.14.

The Revolving Credit Facility bears interest at a rate, depending on first lien net leverage, ranging from 2.00% to 2.50% over SOFR and matures on July 7, 2026. We pay a commitment fee during the term ranging from 0.25% to 0.375% per annum of the average daily undrawn portion of the revolving commitments based on the first lien net leverage ratio. The Credit Agreement contains customary representations and warranties and affirmative and negative covenants. Additionally, if at least 35% of the Revolving Credit Facility is drawn on the last day of the quarter, the total net leverage ratio cannot be greater than 5.50 to 1.00. At March 31, 2024, we were in compliance with the covenants and had $0.2 million of standby letters of credit outstanding under the Revolving Credit Facility.

Cash Flows

The following table summarizes our cash flows for the periods presented:


	Three Months Ended March 31,
(in thousands)	2024		2023
Net cash provided by operating activities	$	50,326	$	38,746
Net cash (used in) provided by investing activities	(11,580)		11,140
Net cash (used in) provided by financing activities	(14,171)		9,790
Effect of exchange rate changes on cash and cash equivalents and restricted cash	(1,730)		(108)
Net increase in cash and cash equivalents and restricted cash	$	22,845	$	59,568

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Operating Activities

Our largest source of cash provided by operating activities is cash collections from sales of our products and services, as we typically invoice our customers in advance. Our primary uses of cash are employee compensation costs, third-party cloud infrastructure and other software subscription costs, demand generation expenditures and general corporate costs.

Investing Activities

Net cash used in investing activities increased by $22.7 million, primarily due to a $24.4 million net increase in purchases of short-term investments, a $1.5 million increase in capitalized software development costs and a $0.3 million increase in purchases of property and equipment, partially offset by $3.5 million in proceeds from one of our SAFE investments in the three months ended March 31, 2024.

Financing Activities

Net cash used in financing activities increased by $24.0 million, primarily due to the repurchase of common stock under our stock repurchase program of $25.0 million, partially offset by a $0.9 million increase in proceeds from the exercise of stock options.

Contractual Obligations

We have certain contractual obligations for future payments. Refer to Note 7 to our consolidated financial statements for our required operating lease payments and Note 9 for our required payments to Microsoft and AWS for cloud services.

At March 31, 2024, there were no other material changes in our contractual obligations and commitments from those disclosed in our 10-K.

Critical Accounting Policies and Estimates

Our financial statements are prepared in accordance with U.S. GAAP. The preparation of these financial statements requires us to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenue and expenses, as well as related disclosures. We evaluate our estimates and assumptions on an ongoing basis. Our estimates are based on historical experience and various other assumptions that we believe to be reasonable under the circumstances. Our actual results could differ from these estimates.

There have been no material changes to our critical accounting policies and estimates as described in our 10-K.

Item 3. Quantitative and Qualitative Disclosures about Market Risk

We are exposed to market risks in the ordinary course of our business, including interest rate, foreign currency exchange and inflation risks.

Interest Rate Risk

At March 31, 2024, we had $260.0 million of cash and cash equivalents, which consisted of cash deposits and money market funds. We also had $250.8 million of short-term investments, which consisted of commercial paper, asset backed securities, U.S. treasury and agency securities and corporate and Yankee bonds. Our investments are carried at their fair market values with cumulative unrealized gains or losses recorded as a component of accumulated other comprehensive (loss) income within stockholders' equity. The primary objectives of our investment activities are the preservation of capital, the fulfillment of liquidity needs and the fiduciary control of cash and investments. We do not enter into investments for trading or speculative purposes. Interest-earning instruments carry a degree of interest rate risk; however, a hypothetical 10% change in interest rates during any of the periods presented would not have had a material impact on our financial statements.

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In July 2021, we entered into the Credit Agreement comprised of a $375.0 million Term Loan and a $50.0 million Revolving Credit Facility. From January to March 2024, interest rates on our Term Loan have been between 8.19% and 8.22%. In April and May 2024, the Term Loan has interest rates of 8.19% and 8.18%, respectively. A one percentage point increase in the rate would increase 2024 interest expense by $2.1 million.

Foreign Currency Exchange Risk

Substantially all of our sales contracts are denominated in U.S. dollars, with a limited number of contracts denominated in foreign currencies, including foreign denominated leases. A portion of our operating expenses are incurred outside the United States, denominated in foreign currencies and subject to fluctuations due to changes in foreign currency exchange rates, particularly changes in the Euro, British Pound, Australian dollar, Israeli New Shekel and Indian Rupee. Strengthening of the U.S. dollar compared to other currencies could result in lower international sales as our products would seem more expensive and could result in lower international operating costs as the U.S. dollar is the functional currency for all of our international subsidiaries. Additionally, fluctuations in foreign currency exchange rates may cause us to recognize remeasurement and transaction gains (losses) in our consolidated statements of operations. As the impact of foreign currency exchange rates has not been material to our historical operating results, we have not entered into derivative or hedging transactions, but we may do so in the future if our exposure to foreign currencies becomes more significant.

Inflation Risk

While we do not believe that inflation has had a material effect on our business, results of operations, or financial condition through March 31, 2024, our costs, specifically employee-related and third-party cloud infrastructure costs, may become subject to significant inflationary pressures, and our inability or failure to fully offset such higher costs could harm our business, results of operations, or financial condition.

Item 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

We maintain “disclosure controls and procedures,” as defined in Rule 13a-15(e) and Rule 15d-15(e) under the Exchange Act, that are designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is accumulated and communicated to our management, including our principal executive and principal financial officers, as appropriate to allow timely decisions regarding required disclosure.

Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, has evaluated the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act ), as of the end of the period covered by this Form 10-Q. Based on such evaluation, our Chief Executive Officer and Chief Financial Officer have concluded that at March 31, 2024, our disclosure controls and procedures were effective to provide reasonable assurance that the information required to be disclosed by us in this Form 10-Q was (a) reported within the time periods specified by SEC rules and regulations, and (b) communicated to our management, including our Chief Executive Officer and Chief Financial Officer, to allow timely decisions regarding any required disclosure.

Changes in Internal Control Over Financial Reporting

There were no changes in our internal control over financial reporting identified in management’s evaluation pursuant to Rules 13a-15(d) or 15d-15(d) of the Exchange Act during the period covered by this Form 10-Q that materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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Inherent Limitations on Effectiveness of Internal Controls

In designing and evaluating the disclosure controls and procedures, management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable, not absolute, assurance of achieving the desired control objectives. In addition, the design of disclosure controls and procedures must reflect the fact that there are resource constraints and that management is required to apply judgment in evaluating the benefits of possible controls and procedures relative to their costs. Our management, including our Chief Executive Officer and Chief Financial Officer, believes that our disclosure controls and procedures and internal control over financial reporting are designed to provide reasonable assurance of achieving their objectives and are effective at the reasonable assurance level. However, our management does not expect that our disclosure controls and procedures or our internal control over financial reporting will prevent all errors and all fraud.

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PART II. OTHER INFORMATION

Item 1. Legal Proceedings

From time to time, we may be subject to legal proceedings and claims in the ordinary course of business. We are not presently a party to any legal proceedings that, if determined adversely to us, would individually or taken together have a material adverse effect on our business, results of operations, financial condition or cash flows. We have received, and may in the future continue to receive, claims from third parties asserting, among other things, infringement of their intellectual property rights. Future litigation may be necessary to defend ourselves, our partners and our customers by determining the scope, enforceability and validity of third-party proprietary rights, or to establish our proprietary rights. The results of any current or future litigation cannot be predicted with certainty, and regardless of the outcome, litigation can have an adverse impact on us because of defense and settlement costs, diversion of management resources and other factors.

Item 1A. Risk Factors

Except for the risk factors disclosed below, there have been no material changes to the risk factors disclosed in Part 1, Item 1A. "Risk Factors" of our Form 10-K for the year ended December 31, 2023 filed with the United States Securities and Exchange Commission ("SEC") on February 28, 2024. Our business is subject to risks and events that, if they occur, could adversely affect our financial condition and results of operations and trading price of our securities. In addition to the other information set forth in this Form 10-Q, you should carefully consider the factors described in Part I, Item 1A. “Risk Factors” of our Form 10-K for the year ended December 31, 2023. We may disclose additional changes to risk factors or disclose additional factors from time to time in our future filings with the SEC. Additional risks and uncertainties not presently known to us or that we currently deem immaterial also may impair our business operations.

We have incorporated and may in the future further incorporate generative and other types of artificial intelligence, or AI, processes, algorithms, and technologies into certain of our products and services. This technology is new and developing, and may generate output that is inaccurate or flawed or may not achieve market acceptance, which could result in operational, financial, regulatory, and reputational harm and other adverse consequences to our business.

We have incorporated and may in the future further incorporate AI features in certain of our products and services, including ExposureAI and Tenable AI Assistant. The use of generative AI processes at scale is relatively new, and may lead to challenges, concerns and risks that are significant or that we may not be able to predict, especially if our use of these technologies in our products and services becomes more important to our operations over time. The technologies underpinning these features are in the early stages of commercial use and exist in an emerging regulatory environment, which presents regulatory, litigation, ethical, reputational, operational and financial risks. AI in our products and services may be difficult to deploy successfully due to operational issues inherent to the nature of such technologies, including the development, maintenance and operation of deep learning datasets. Additionally, if we do not have adequate rights to utilize the data or other materials and content that our AI technologies depend on, we may face legal consequences for violating applicable laws, third-party intellectual property, privacy or other rights, or contracts to which we are a party.

Uncertainty in the legal regulatory regime relating to AI and emerging ethical issues surrounding the use of AI may require significant resources to modify and maintain business practices to comply with U.S. and non-U.S. laws, the nature of which cannot be determined at this time. Existing laws and regulations may apply to us or our suppliers, vendors, partners and customers in new ways, and new laws and regulations may be instituted. Many U.S. and international governmental bodies and regulators have proposed, or are in the process of developing, new regulations related to the use of AI and machine learning technologies. For example, the European Union authorities have concluded a provisional agreement on AI regulation, the Artificial Intelligence Act (“AI Act”), which will apply beyond the European Union’s borders and which will establish obligations for AI providers and those deploying AI systems. Other jurisdictions may adopt similar or potentially more restrictive laws, which may render the use of such technologies challenging. The final form of these may impose obligations related to our development, offering and use of AI technologies and expose us to increased risk of regulatory enforcement and litigation.

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Our AI technology features may also generate output that is misleading, insecure, inaccurate, harmful or otherwise flawed. Our customers or others may rely on or use such misleading, insecure, harmful or otherwise flawed content to their detriment, which may harm our brand, reputation, business or customers, cause competitive harm or expose us to legal liability. For example, AI algorithms use machine learning and predictive analytics which may be insufficient or of poor quality and reflect inherent biases and could lead to flawed, biased, and inaccurate results. Deficient or inaccurate recommendations, forecasts, or analyses that generative AI applications assist in producing could lead to customer rejection or skepticism of our products, affect our reputation or brand, and negatively affect our financial results. Further, unauthorized use or misuse of AI by our employees or others may result in disclosure of confidential company and customer data, reputational harm, privacy law violations and legal liability. Our use of generative AI may also lead to novel and urgent cybersecurity risks, including related to personal data, which may adversely affect our operations and reputation.

The nature of our business requires the application of complex accounting rules and regulations and public reporting and corporate governance requirements. If there are significant changes in current principles, financial reporting standards, interpretations or public reporting and corporate governance requirements, or if our estimates or judgments relating to our critical accounting policies or reporting or governance requirements prove to be incorrect, we may experience unexpected financial reporting fluctuations or increased compliance costs and strain on our resources and our results of operations could be adversely affected.

The accounting rules and regulations that we must comply with are complex and subject to interpretation by the Financial Accounting Standards Board, the SEC, and various bodies formed to promulgate and interpret appropriate accounting principles. In addition, many companies’ accounting disclosures are being subjected to heightened scrutiny by regulators and the public. Further, the accounting rules and regulations are continually changing in ways that could impact our financial statements.

The preparation of financial statements in conformity with generally accepted accounting principles in the United States, or U.S. GAAP, requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. We base our estimates on historical experience and on various other assumptions that we believe to be reasonable under the circumstances, as provided in the section of this report titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations.” Significant assumptions and estimates used in preparing our consolidated financial statements include the determination of the estimated economic life of perpetual licenses for revenue recognition, the estimated period of benefit for deferred commissions, useful lives of long-lived assets, the valuation of stock-based compensation, the incremental borrowing rate for operating leases, and the valuation of deferred tax assets. Our results of operations may be adversely affected if our assumptions change or if actual circumstances differ from those in our assumptions, which could cause our results of operations to fall below the expectations of securities analysts and investors, resulting in a decline in the trading price of our common stock.

As a public company, we are also subject to the reporting and corporate governance requirements of the Exchange Act, the listing requirements of the Nasdaq Stock Market and other applicable securities rules and regulations, including the Sarbanes-Oxley Act and the Dodd-Frank Wall Street Reform and Consumer Protection Act. Compliance with these rules and regulations increases our legal and financial compliance costs, makes some activities more difficult, time-consuming or costly and increases demand on our systems and resources.

Additionally, we regularly monitor our compliance with applicable financial reporting standards and SEC and applicable listing standard requirements and review new pronouncements, drafts and interpretations thereof that are relevant to us. We might be required to change our accounting policies, alter our operational policies and implement new or enhance existing systems, or we may be required to restate our published financial statements, as a result of new standards or requirements, changes to existing standards or requirements and changes in their interpretation. Such changes to existing standards or requirements or changes in their interpretation may have an adverse effect on our reputation, business, financial position and profit, or cause an adverse deviation from our revenue and operating profit target, which may negatively impact our financial results. Additionally, we may incur substantial professional fees and expend significant management efforts, and we may need to hire additional staff with the appropriate experience and compile systems and processes necessary to adopt these new standards and disclosure or governance requirements.

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For example, a number of climate disclosure regulations have been enacted, including the Corporate Sustainability Reporting Directive, the State of California's climate disclosure legislation, and most recently the SEC's climate-related disclosure requirements. These rules may require disclosure on climate-related risks, risk management, governance and targets, and may require the company to calculate and disclose greenhouse gas emissions data and obtain assurance reports on these disclosures. Ongoing compliance with these regulations is expected to be challenging and will heighten the compliance risks identified above. Additionally, our failure or perceived failure to comply with these disclosure requirements could lead to regulatory investigations, litigation, reputational harm, and other adverse business consequences.

In addition, in July 2023, the SEC adopted rules requiring the disclosure of information about a material cybersecurity incident on Form 8-K within four business days of determining that the incident is material, unless the US Attorney General concludes that such a disclosure would pose a substantial risk to national security or public safety. These rules also require disclosures describing the processes used to identify, assess and manage cybersecurity risks, management's role in assessing and managing material risks from cybersecurity threats and the board of directors' role in overseeing cybersecurity risks.

Item 2. Unregistered Sales of Equity Securities and Issuer Purchases of Equity Securities

Unregistered Sales of Equity Securities

None.

Use of Proceeds

None.

Issuer Purchases of Equity Securities

A summary of stock repurchases during the three months ended March 31, 2024 is presented below:


(in thousands, except for per share data)	Shares Purchased	Average Price Paid Per Share		Total Number of Shares Purchased as Part of Publicly Announced Plan(1)	Approximate Dollar Value of Shares that May Yet Be Purchased Under Plan(1)
Shares purchased January 1, 2024 to January 31, 2024	—	$	—	—	$	85,066
Shares purchased February 1, 2024 to February 29, 2024	250	48.51		250	72,968
Shares purchased March 1, 2024 to March 31, 2024	276	46.65		276	60,075
	526	$	47.53

_______________

(1) On November 27, 2023, we announced that our Board of Directors authorized the repurchase of up to $100 million of our common stock. Repurchases under the share repurchase program may be made in the open market, in privately negotiated transactions, or in such other manner as determined by us, including through repurchase plans complying with the rules and regulations of the Securities and Exchange Commission. The authorization has no expiration date.

Items 3, 4 and 5 are not applicable and have been omitted.

Table of Contents

Item 6. Exhibits

The following is a list of Exhibits filed as part of this Quarterly Report on Form 10-Q:

Exhibit Number

Description

Location

3.1

Amended and Restated Certificate of Incorporation of Tenable Holdings, Inc.

Previously filed as Exhibit 3.1 to the Company's Current Report on Form 8-K (File No. 001-38600) on July 30, 2018

3.2

Second Amended and Restated Bylaws of Tenable Holdings, Inc.

Previously filed as Exhibit 3.1 to the Company's Current Report on Form 8-K (File No. 001-38600) on November 15, 2023

4.1

Common Stock Certificate of Tenable Holdings, Inc.

Previously filed as Exhibit 4.1 to the Company's Registration Statement on Form S-1 (File No. 333-226002) on July 16, 2018

31.1

Certification of the Principal Executive Officer pursuant to Rules 13a-14(a) and 15d-14(a) under the Exchange Act, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Filed herewith

31.2

Certification of the Principal Financial Officer pursuant to Rules 13a-14(a) and 15d-14(a) under the Exchange Act, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Filed herewith

32.1*

Certification of the Principal Executive Officer and the Principal Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Furnished herewith

101.SCH

Inline XBRL Taxonomy Extension Schema Document

101.CAL

Inline XBRL Taxonomy Extension Calculation Linkbase Document

101.DEF

Inline XBRL Taxonomy Extension Definition Linkbase Document

101.LAB

Inline XBRL Taxonomy Extension Label Linkbase Document

101.PRE

Inline XBRL Taxonomy Extension Presentation Linkbase Document

104

Cover Page Interactive Data File (formatted as Inline XBRL with applicable taxonomy extension information contained in Exhibits 101.SCH, 101.CAL, 101.DEF, 101.LAB and 101.PRE)

________________

(*) This certification is deemed not filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended.

Table of Contents

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.



		TENABLE HOLDINGS, INC.

Date:	May 7, 2024	By:	/s/ Amit Yoran
			Amit Yoran
			Chairman and Chief Executive Officer
			(On Behalf of the Registrant and as Principal Executive Officer)

Date:	May 7, 2024	By:	/s/ Stephen A. Vintz
			Stephen A. Vintz
			Chief Financial Officer
			(Principal Financial Officer and Principal Accounting Officer)

Exhibit 31.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

PURSUANT TO EXCHANGE ACT RULES 13a-14(a) AND 15d-14(a)

AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Amit Yoran, certify that:

I have reviewed this Quarterly Report on Form 10-Q of Tenable Holdings, Inc.;

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in the Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)

Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)

Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)

Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)

Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

The registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a)

All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b)

Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.


Date:	May 7, 2024	By:	/s/ Amit Yoran
			Amit Yoran
			Chairman and Chief Executive Officer
			(Principal Executive Officer)

Exhibit 31.2

CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER

PURSUANT TO EXCHANGE ACT RULES 13a-14(a) AND 15d-14(a)

AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Stephen A. Vintz, certify that:

I have reviewed this Quarterly Report on Form 10-Q of Tenable Holdings, Inc.;

The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)

(b)

(c)

(d)

(a)

(b)

Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.


Date:	May 7, 2024	By:	/s/ Stephen A. Vintz
			Stephen A. Vintz
			Chief Financial Officer
			(Principal Financial Officer and Principal Accounting Officer)

Exhibit 32.1

CERTIFICATIONS OF PRINCIPAL EXECUTIVE OFFICER AND PRINCIPAL FINANCIAL OFFICER

PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Each of the undersigned hereby certifies to the best of his or her knowledge that, pursuant to the requirement set forth in Rule 13a-14(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report on Form 10-Q of Tenable Holdings, Inc. for the fiscal quarter ended March 31, 2024 fully complies with the requirements of Section 13(a) or 15(d) of the Exchange Act and that information contained in such Quarterly Report on Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of Tenable Holdings, Inc.


Date:	May 7, 2024	By:	/s/ Amit Yoran
			Amit Yoran
			Chairman and Chief Executive Officer
			(Principal Executive Officer)

Date:	May 7, 2024	By:	/s/ Stephen A. Vintz
			Stephen A. Vintz
			Chief Financial Officer
			(Principal Financial Officer and Principal Accounting Officer)

Cover - shares	3 Months Ended
Cover - shares	Mar. 31, 2024	May 03, 2024
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2024
Document Transition Report	false
Entity File Number	001-38600
Entity Registrant Name	TENABLE HOLDINGS, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	47-5580846
Entity Address, Address Line One	6100 Merriweather Drive
Entity Address, City or Town	Columbia
Entity Address, State or Province	MD
Entity Address, Postal Zip Code	21044
City Area Code	410
Local Phone Number	872-0555
Title of 12(b) Security	Common Stock, par value $0.01 per share
Trading Symbol	TENB
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		118,867,830
Entity Central Index Key	0001660280
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2024
Document Fiscal Period Focus (i.e. Q1,Q2,Q3,FY)	Q1
Amendment Flag	false

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 259,977	$ 237,132
Short-term investments	250,794	236,840
Accounts receivable (net of allowance for doubtful accounts of $288 and $470 at March 31, 2024 and December 31, 2023, respectively)	156,804	220,060
Deferred commissions	49,168	49,559
Prepaid expenses and other current assets	66,013	61,882
Total current assets	782,756	805,473
Property and equipment, net	45,581	45,436
Deferred commissions (net of current portion)	68,447	72,394
Operating lease right-of-use assets	33,694	34,835
Acquired intangible assets, net	102,349	107,017
Goodwill	518,539	518,539
Other assets	15,656	23,177
Total assets	1,567,022	1,606,871
Current liabilities:
Accounts payable and accrued expenses	17,667	16,941
Accrued compensation	43,547	66,492
Deferred revenue	562,575	580,779
Operating lease liabilities	5,985	5,971
Other current liabilities	5,069	5,655
Total current liabilities	634,843	675,838
Deferred revenue (net of current portion)	160,133	169,718
Term loan, net of issuance costs (net of current portion)	358,622	359,281
Operating lease liabilities (net of current portion)	46,317	48,058
Other liabilities	8,159	7,632
Total liabilities	1,208,074	1,260,527
Stockholders’ equity:
Common stock (par value: $0.01; 500,000 shares authorized; 119,625 and 117,504 shares issued at March 31, 2024 and December 31, 2023, respectively)	1,196	1,175
Additional paid-in capital	1,237,283	1,185,100
Treasury stock (at cost: 882000 and 356000 shares at March 31, 2024 and December 31, 2023, respectively)	(39,925)	(14,934)
Accumulated other comprehensive (loss) income	(185)	38
Accumulated deficit	(839,421)	(825,035)
Total stockholders’ equity	358,948	346,344
Total liabilities and stockholders’ equity	$ 1,567,022	$ 1,606,871

CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 288	$ 470
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	500,000	500,000
Common stock, shares issued (in shares)	119,625	117,504
Treasury Stock (in shares)	882	356

CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Revenue	$ 215,961	$ 188,839
Cost of revenue	48,932	45,506
Gross profit	167,029	143,333
Operating expenses:
Sales and marketing	99,825	97,191
Research and development	43,727	38,183
General and administrative	31,018	27,115
Restructuring	1,389	0
Total operating expenses	175,959	162,489
Loss from operations	(8,930)	(19,156)
Interest income	5,624	5,095
Interest expense	(8,112)	(7,339)
Other expense, net	(1,310)	(547)
Loss before income taxes	(12,728)	(21,947)
Provision for income taxes	1,658	3,150
Net loss	$ (14,386)	$ (25,097)
Net loss per share, basic (in usd per share)	$ (0.12)	$ (0.22)
Net loss per share, diluted (in usd per share)	$ (0.12)	$ (0.22)
Weighted-average shares used to compute net loss per share, basic (in shares)	117,542	113,791
Weighted-average shares used to compute net loss per share, diluted (in shares)	117,542	113,791

CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net loss	$ (14,386)	$ (25,097)
Other comprehensive (loss) income, net of tax:
Unrealized (losses) gains on available-for-sale securities, net	(223)	680
Other comprehensive (loss) income	(223)	680
Comprehensive loss	$ (14,609)	$ (24,417)

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Beginning Balance (in shares) at Dec. 31, 2022		113,056
Beginning Balance at Dec. 31, 2022	$ 270,866	$ 1,131	$ 1,017,837		$ (1,351)	$ (746,751)
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Exercise of stock options (in shares)		80
Exercise of stock options	942	$ 1	941
Vesting of restricted stock units (in shares)		1,243
Vesting of restricted stock units	0	$ 11	(11)
Vesting of performance stock units (in shares)		52
Vesting of performance stock units	0	$ 1	(1)
Issuance of common stock under employee stock purchase plan (in shares)		312
Issuance of common stock under employee stock purchase plan	9,914	$ 3	9,911
Stock-based compensation	34,374		34,374
Other comprehensive income (loss)	680				680
Net loss	(25,097)					(25,097)
Ending Balance (in shares) at Mar. 31, 2023		114,743
Ending Balance at Mar. 31, 2023	291,679	$ 1,147	1,063,051		(671)	(771,848)
Beginning Balance (in shares) at Dec. 31, 2023		117,504
Beginning Balance at Dec. 31, 2023	$ 346,344	$ 1,175	1,185,100	$ (14,934)	38	(825,035)
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Exercise of stock options (in shares)	455	455
Exercise of stock options	$ 1,874	$ 5	1,869
Vesting of restricted stock units (in shares)		1,313
Vesting of restricted stock units	0	$ 13	(13)
Vesting of performance stock units (in shares)		48
Issuance of common stock under employee stock purchase plan (in shares)		305
Issuance of common stock under employee stock purchase plan	9,884	$ 3	9,881
Purchase of treasury stock	(24,991)			(24,991)
Stock-based compensation	40,446		40,446
Other comprehensive income (loss)	(223)				(223)
Net loss	(14,386)					(14,386)
Ending Balance (in shares) at Mar. 31, 2024		119,625
Ending Balance at Mar. 31, 2024	$ 358,948	$ 1,196	$ 1,237,283	$ (39,925)	$ (185)	$ (839,421)

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net loss	$ (14,386)	$ (25,097)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	8,232	6,365
Stock-based compensation	39,719	34,117
Net accretion of discounts and amortization of premiums on short-term investments	(2,284)	(1,553)
Amortization of debt issuance costs	329	307
Other	1,611	(310)
Changes in operating assets and liabilities:
Accounts receivable	63,437	64,439
Prepaid expenses and other assets	5,216	(2,776)
Accounts payable, accrued expenses and accrued compensation	(22,017)	(12,665)
Deferred revenue	(27,789)	(22,534)
Other current and noncurrent liabilities	(1,742)	(1,547)
Net cash provided by operating activities	50,326	38,746
Cash flows from investing activities:
Purchases of property and equipment	(665)	(387)
Capitalized software development costs	(2,532)	(1,023)
Purchases of short-term investments	(77,465)	(48,749)
Sales and maturities of short-term investments	65,570	61,299
Proceeds from other investments	3,512	0
Net cash (used in) provided by investing activities	(11,580)	11,140
Cash flows from financing activities:
Payments on term loan	(938)	(938)
Proceeds from stock issued in connection with the employee stock purchase plan	9,884	9,914
Proceeds from the exercise of stock options	1,874	942
Purchase of treasury stock	(24,991)	0
Other financing activities	0	(128)
Net cash (used in) provided by financing activities	(14,171)	9,790
Effect of exchange rate changes on cash and cash equivalents and restricted cash	(1,730)	(108)
Net increase in cash and cash equivalents and restricted cash	22,845	59,568
Cash and cash equivalents and restricted cash at beginning of period	237,132	300,866
Cash and cash equivalents and restricted cash at end of period	259,977	360,434
Supplemental disclosure of cash flow information:
Cash paid for interest	7,611	6,820
Cash paid for income taxes, net of refunds	2,987	3,233
Supplemental cash flow information related to leases:
Cash payments for operating leases	$ 2,318	$ 2,238

Business and Summary of Significant Accounting Policies	3 Months Ended
Business and Summary of Significant Accounting Policies	Mar. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Business and Summary of Significant Accounting Policies	Business and Summary of Significant Accounting Policies Business Description Tenable Holdings, Inc. (the “Company,” “we,” "us," or “our”) is a provider of exposure management solutions. Exposure management is an effective discipline for measuring, comparing and reducing cybersecurity risk in today's complex IT environments. Our solutions provide broad visibility into security issues such as vulnerabilities, misconfigurations, internal and regulatory compliance violations and other indicators of the state of an organization’s security across IT infrastructure and applications, cloud environments, Active Directory and industrial internet of things and operational technology environments. Basis of Presentation The accompanying consolidated financial statements include the accounts of Tenable Holdings, Inc. and our wholly owned subsidiaries and have been prepared in conformity with United States generally accepted accounting principles (“GAAP”) for interim financial information. All intercompany accounts and transactions have been eliminated in consolidation. The consolidated statements are unaudited and should be read in conjunction with the consolidated financial statements and related notes included in our 2023 Annual Report on Form 10-K ("10-K") filed with the Securities and Exchange Commission on February 28, 2024. The consolidated financial statements have been prepared on a basis consistent with the audited annual consolidated financial statements included in the 10-K and, in the opinion of management, include all adjustments of a normal recurring nature necessary to fairly state our financial position, our results of operations, and cash flows. The results for the three months ended March 31, 2024 are not necessarily indicative of the operating results expected for the year ending December 31, 2024 or any other future period. Use of Estimates The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. These estimates include, but are not limited to, the determination of the estimated economic life of perpetual licenses for revenue recognition, the estimated period of benefit for deferred commissions, the useful lives of long-lived assets, the fair value of acquired intangible assets, the valuation of stock-based compensation, the incremental borrowing rate for operating leases, and the valuation of deferred tax assets and investments. We base these estimates on historical experience and on various other assumptions that we believe to be reasonable. Actual results could differ significantly from these estimates. Significant Accounting Policies Our significant accounting policies are described in our 10-K. During the three months ended March 31, 2024, there were no material changes to our significant accounting policies from those described in our 10-K. Recently Issued Accounting Pronouncements In November 2023, the Financial Accounting Standards Board (“FASB”) issued ASU 2023-07 - Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures, which requires public entities with a single reportable segment to provide all the disclosures required by this standard and all existing segment disclosures in Topic 280 on an interim and annual basis, including new requirements to disclose significant segment expenses that are regularly provided to the Chief Operating Decision Maker ("CODM") and included within the reported measure(s) of a segment's profit or loss, the amount and composition of any other segment items, the title and position of the CODM, and how the CODM uses the reported measure(s) of a segment's profit or loss to assess performance and decide how to allocate resources. The guidance is effective for our annual period beginning January 1, 2025, and interim periods thereafter, applied retrospectively with early adoption permitted. We are currently evaluating the impact of adoption of this standard on our consolidated financial statements and disclosures. In December 2023, the FASB issued ASU 2023-09 - Income Taxes (Topic 740): Improvements to Income Tax Disclosures, which requires public entities to provide greater disaggregation within their annual rate reconciliation, including new requirements to present reconciling items on a gross basis in specified categories, disclose both percentages and dollar amounts, and disaggregate individual reconciling items by jurisdiction and nature when the effect of the items meet a quantitative threshold. The guidance also requires disaggregating the annual disclosure of income taxes paid, net of refunds received, by federal (national), state, and foreign taxes, with separate presentation of individual jurisdictions that meet a quantitative threshold. The guidance is effective for our annual periods beginning January 1, 2025 on a prospective basis, with a retrospective option, and early adoption is permitted. We are currently evaluating the impact of adoption of this standard on our consolidated financial statements and disclosures.

Revenue

3 Months Ended

Mar. 31, 2024

Revenue from Contract with Customer [Abstract]

Revenue

Disaggregation of Revenue

The following table presents a summary of revenue:


	Three Months Ended March 31,
(in thousands)	2024		2023
Subscription revenue	$	197,635	$	171,098
Perpetual license and maintenance revenue	12,156		12,181
Professional services and other revenue	6,170		5,560
Revenue	$	215,961	$	188,839

Concentrations

Contract Balances

Remaining Performance Obligations

Deferred Commissions

The following summarizes the activity of deferred incremental costs of obtaining a contract:


	Three Months Ended March 31,
(in thousands)	2024		2023
Beginning balance	$	121,953	$	111,508
Capitalization of contract acquisition costs	9,035		8,907
Amortization of deferred contract acquisition costs	(13,373)		(12,035)
Ending balance	$	117,615	$	108,380

Cash Equivalents and Short-Term Investments

3 Months Ended

Mar. 31, 2024

Cash and Cash Equivalents [Abstract]

Cash Equivalents and Short-Term Investments

The following tables summarize the amortized cost, unrealized gain and loss and estimated fair value of cash equivalents and short-term investments:


	March 31, 2024
(in thousands)	Amortized Cost		Unrealized Gain		Unrealized Loss		Estimated Fair Value
Cash equivalents
Money market funds	$	151,173	$	—	$	—	$	151,173
Total cash equivalents	$	151,173	$	—	$	—	$	151,173

Short-term investments
Commercial paper	$	78,362	$	24	$	(41)	$	78,345
Corporate bonds	70,106		9		(88)		70,027
Asset backed securities	18,521		9		(16)		18,514
Yankee bonds	8,922		2		(23)		8,901
U.S. Treasury and agency obligations	75,068		13		(74)		75,007
Total short-term investments	$	250,979	$	57	$	(242)	$	250,794


	December 31, 2023
(in thousands)	Amortized Cost		Unrealized Gain		Unrealized Loss		Estimated Fair Value
Cash equivalents
Money market funds	$	130,375	$	—	$	—	$	130,375
Total cash equivalents	$	130,375	$	—	$	—	$	130,375

Short-term investments
Commercial paper	$	82,188	$	50	$	(22)	$	82,216
Corporate bonds	61,200		40		(91)		61,149
Asset backed securities	15,032		26		(15)		15,043
Yankee bonds	6,926		4		(17)		6,913
U.S. Treasury and agency obligations	71,456		97		(34)		71,519
Total short-term investments	$	236,802	$	217	$	(179)	$	236,840

The contractual maturities of our short-term investments are as follows:


	March 31, 2024				December 31, 2023
(in thousands)	Amortized Cost		Estimated Fair Value		Amortized Cost		Estimated Fair Value
Due within one year	$	212,522	$	212,368	$	219,437	$	219,414
Due between one and two years	38,457		38,426		17,365		17,426
Total short-term investments	$	250,979	$	250,794	$	236,802	$	236,840

Fair Value Measurements

3 Months Ended

Mar. 31, 2024

Fair Value Disclosures [Abstract]

Fair Value Measurements

•Level 1 — Quoted prices in active markets for identical assets and liabilities;

•Level 3 — Unobservable inputs.

The following tables summarize assets that are measured at fair value on a recurring basis:


	March 31, 2024
(in thousands)	Level 1		Level 2		Level 3		Total
Cash equivalents
Money market funds	$	151,173	$	—	$	—	$	151,173
Total cash equivalents	$	151,173	$	—	$	—	$	151,173

Short-term investments
Commercial paper	$	—	$	78,345	$	—	$	78,345
Corporate bonds	—		70,027		—		70,027
Asset backed securities	—		18,514		—		18,514
Yankee bonds	—		8,901		—		8,901
U.S. Treasury and agency obligations	—		75,007		—		75,007
Total short-term investments	$	—	$	250,794	$	—	$	250,794


	December 31, 2023
(in thousands)	Level 1		Level 2		Level 3		Total
Cash equivalents
Money market funds	$	130,375	$	—	$	—	$	130,375
Total cash equivalents	$	130,375	$	—	$	—	$	130,375

Short-term investments
Commercial paper	$	—	$	82,216	$	—	$	82,216
Corporate bonds	—		61,149		—		61,149
Asset backed securities	—		15,043		—		15,043
Yankee bonds	—		6,913		—		6,913
U.S. Treasury and agency obligations	—		71,519		—		71,519
Total short-term investments	$	—	$	236,840	$	—	$	236,840

We did not have any liabilities measured and recorded at fair value on a recurring basis at March 31, 2024 and December 31, 2023.

Property and Equipment, Net

3 Months Ended

Mar. 31, 2024

Property, Plant and Equipment [Abstract]

Property and Equipment, Net

Property and equipment, net consisted of the following:


(in thousands)	March 31, 2024		December 31, 2023
Computer software and equipment	$	21,526	$	21,845
Internally developed software	35,521		32,261
Furniture and fixtures	6,620		6,513
Leasehold improvements	28,552		29,354
Total	92,219		89,973
Less: accumulated depreciation and amortization	(46,638)		(44,537)
Property and equipment, net	$	45,581	$	45,436

Depreciation and amortization related to property and equipment was $3.6 million and $3.3 million in the three months ended March 31, 2024 and 2023, respectively.

Goodwill and Intangible Assets

3 Months Ended

Mar. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

At March 31, 2024 and December 31, 2023, our goodwill balance was $518.5 million.

Acquired intangible assets subject to amortization are as follows:


	March 31, 2024						December 31, 2023
(in thousands)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Acquired technology	$	142,537	$	(40,188)	$	102,349	$	142,537	$	(35,520)	$	107,017
Trade name	490		(490)		—		490		(490)		—
	$	143,027	$	(40,678)	$	102,349	$	143,027	$	(36,010)	$	107,017

At March 31, 2024, estimated future amortization of acquired intangible assets is as follows:


(in thousands)
Year ending December 31,
2024(1)	$	14,007
2025	18,675
2026	18,490
2027	16,460
2028	13,417
Thereafter	21,300
Total	$	102,349

_______________

(1) Represents the nine months ending December 31, 2024.

Leases

3 Months Ended

Mar. 31, 2024

Leases [Abstract]

Leases

We have operating leases for office facilities. The components of lease expense were as follows:


	Three Months Ended March 31,
(in thousands)	2024		2023
Operating lease cost	$	1,895	$	1,888

Rent expense for short-term leases in the three months ended March 31, 2024 and 2023 was not material.

Supplemental information related to leases was as follows:


	March 31, 2024	December 31, 2023
Operating leases
Weighted average remaining lease term	7.1 years	7.3 years
Weighted average discount rate	5.6%	5.6%

In the three months ended March 31, 2024 and 2023, we did not obtain any right-of-use assets in exchange for lease liabilities.

Maturities of operating lease liabilities at March 31, 2024 were as follows:


(in thousands)
Year ending December 31,
2024(1)	$	6,450
2025	9,540
2026	8,862
2027	8,389
2028	7,528
Thereafter	23,280
Total lease payments	64,049
Less: Imputed interest	(11,747)

Total	$	52,302

_______________

(1) Represents the nine months ending December 31, 2024.

Debt

3 Months Ended

Mar. 31, 2024

Debt Disclosure [Abstract]

Debt

Credit Agreement

In July 2021, we entered into a credit agreement ("Credit Agreement") which is comprised of:

•a $375.0 million senior secured term loan facility ("Term Loan"); and

•a $50.0 million senior secured revolving credit facility ("Revolving Credit Facility").

The table below summarizes the carrying value of the Term Loan:


(in thousands)	March 31, 2024
Term loan	$	366,562
Less: Unamortized debt discount and issuance costs	(5,286)
Term loan, net of issuance costs	361,276
Less: Term loan, net, current (1)	(2,654)
Term loan, net of issuance costs (net of current portion)	$	358,622

_______________

(1) Term loan, net current is included in other current liabilities on our consolidated balance sheets.

The maturities of the Term Loan at March 31, 2024 were as follows:


(in thousands)
Year ending December 31,
2024(1)	$	2,812
2025	3,750
2026	3,750
2027	3,750
2028	352,500
Total	$	366,562

_______________

(1) Represents the nine months ending December 31, 2024.

Commitments and Contingencies	3 Months Ended
Commitments and Contingencies	Mar. 31, 2024
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Commitments In December 2023, we entered into a contract with Microsoft for cloud services from February 2024 through January 2027. Under the terms of the contract we committed to spend €28.5 million. If we do not meet our commitment by the end of the term, we will be required to pay the difference. As of March 31, 2024, we have spent €1.2 million of our commitment. In July 2021, we entered into a contract with Amazon Web Services, Inc. ("AWS") for cloud services from August 2021 through July 2024. Under the terms of the contract, we committed to spend $43.7 million, $46.8 million and $50.1 million in contract years one, two and three, respectively, for a total of $140.6 million. If we do not meet the minimum purchase obligation during any of those years, we will be required to pay the difference. We met our commitments for both the first and second years of our contract with AWS, and as of March 31, 2024, we have spent $47.7 million of our third year commitment. Letters of Credit At March 31, 2024, we had $5.7 million of standby letters of credit related to our grant agreements with the State of Maryland and our operating leases.

Stock-Based Compensation

3 Months Ended

Mar. 31, 2024

Share-Based Payment Arrangement [Abstract]

Stock-Based Compensation

Stock-based compensation expense included in the consolidated statements of operations was as follows:


	Three Months Ended March 31,
(in thousands)	2024		2023
Cost of revenue	$	2,982	$	2,625
Sales and marketing	15,300		14,394
Research and development	11,161		8,865
General and administrative	10,276		8,233
Total stock-based compensation expense	$	39,719	$	34,117

A summary of the unrecognized stock-based compensation expense related to unvested stock at March 31, 2024 is presented below:


	Unrecognized Stock-Based Compensation Expense (in thousands)		Estimated Weighted Average Period (in years)
Restricted Stock Units ("RSUs")	$	374,535	3.0
Performance Stock Units ("PSUs")	11,281		3.5
Restricted Share Awards	11,400		2.0
2018 Employee Stock Purchase Plan ("2018 ESPP")	5,508		0.8

Restricted Stock, RSUs and PSUs

A summary of our restricted stock, RSU and PSU activity is presented below:


	Restricted Stock			RSUs			PSUs
(in thousands, except for per share data)	Number of Shares	Weighted Average Grant Date Fair Value		Number of Shares	Weighted Average Grant Date Fair Value		Number of Shares	Weighted Average Grant Date Fair Value
Unvested balance at December 31, 2023	311	$	45.67	7,343	$	43.80	258	$	43.90
Granted	—	—		3,153	47.31		170	47.20
Performance adjustment(1)	—	—		—	—		(10)	43.24
Vested	(31)	45.67		(1,313)	42.51		(48)	43.63
Forfeited	—	—		(345)	44.45		—	—
Unvested balance at March 31, 2024	280	45.67		8,838	45.20		370	45.47

_______________

(1) Represents adjustments due to the achievement of predefined financial performance targets.

Stock Options

A summary of our stock option activity is presented below:


(in thousands, except for exercise prices and years)	Number of Shares	Weighted Average Exercise Price		Weighted-Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value
Outstanding at December 31, 2023	5,095	$	8.95	3.5	$	189,108

Exercised	(455)	4.11			20,073
Forfeited/canceled	—	—			—
Outstanding and exercisable at March 31, 2024	4,640	9.42		3.3	185,636

2018 Employee Stock Purchase Plan

The fair value of the 2018 ESPP purchase rights was estimated on the offering or modification dates using a Black-Scholes option-pricing model and the following assumptions:


	Three Months Ended March 31,
	2024	2023
Expected term (in years)	0.5 — 2.0	0.5 — 2.0
Expected volatility	41.1% — 51.4%	51.0% — 58.1%
Risk-free interest rate	4.4% — 5.1%	4.8% — 5.0%
Expected dividend yield	—	—

Income Taxes	3 Months Ended
Income Taxes	Mar. 31, 2024
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes In the three months ended March 31, 2024, the provision for income taxes included $0.4 million of income taxes in foreign jurisdictions in which we conduct business and $1.3 million of discrete items primarily related to withholding taxes on sales to customers. In the three months ended March 31, 2023, the provision for income taxes included $1.9 million of income taxes in foreign jurisdictions in which we conduct business and $1.3 million of discrete expense primarily related to withholding taxes on sales to customers.

Net Loss Per Share

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Net Loss Per Share

The following table sets forth the computation of basic and diluted net loss per share:


	Three Months Ended March 31,
(in thousands, except per share data)	2024		2023
Net loss	$	(14,386)	$	(25,097)

Weighted-average shares used to compute net loss per share, basic and diluted	117,542		113,791
Net loss per share, basic and diluted	$	(0.12)	$	(0.22)

The following potentially dilutive securities have been excluded from the diluted per share calculations because they would have been antidilutive:


	March 31,
(in thousands)	2024	2023
RSUs	8,838	8,706
Stock options	4,640	5,405
Shares to be issued under the 2018 ESPP	45	78

PSUs	200	156
Restricted stock	280	—
Total	14,003	14,345

Geographic Information

3 Months Ended

Mar. 31, 2024

Segment Reporting [Abstract]

Geographic Information

Revenue by region, based on the address of the end user as specified in our subscription, license or service agreements, was as follows:


	Three Months Ended March 31,
(in thousands)	2024		2023
The Americas	$	134,483	$	119,284
Europe, Middle East and Africa	57,038		48,259
Asia Pacific	24,440		21,296
Revenue	$	215,961	$	188,839

Our property and equipment, net by geographic area is summarized as follows:


(in thousands)	March 31, 2024		December 31, 2023
United States	$	40,482	$	39,497
International	5,099		5,939
Property and equipment, net	$	45,581	$	45,436

Business and Summary of Significant Accounting Policies (Policies)	3 Months Ended
	Mar. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Consolidations	The accompanying consolidated financial statements include the accounts of Tenable Holdings, Inc. and our wholly owned subsidiaries and have been prepared in conformity with United States generally accepted accounting principles (“GAAP”) for interim financial information. All intercompany accounts and transactions have been eliminated in consolidation.
Basis of Accounting	The consolidated statements are unaudited and should be read in conjunction with the consolidated financial statements and related notes included in our 2023 Annual Report on Form 10-K ("10-K") filed with the Securities and Exchange Commission on February 28, 2024. The consolidated financial statements have been prepared on a basis consistent with the audited annual consolidated financial statements included in the 10-K and, in the opinion of management, include all adjustments of a normal recurring nature necessary to fairly state our financial position, our results of operations, and cash flows.
Use of Estimates	Use of Estimates The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. These estimates include, but are not limited to, the determination of the estimated economic life of perpetual licenses for revenue recognition, the estimated period of benefit for deferred commissions, the useful lives of long-lived assets, the fair value of acquired intangible assets, the valuation of stock-based compensation, the incremental borrowing rate for operating leases, and the valuation of deferred tax assets and investments. We base these estimates on historical experience and on various other assumptions that we believe to be reasonable. Actual results could differ significantly from these estimates.
Recently Issued Accounting Pronouncements	Recently Issued Accounting Pronouncements In November 2023, the Financial Accounting Standards Board (“FASB”) issued ASU 2023-07 - Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures, which requires public entities with a single reportable segment to provide all the disclosures required by this standard and all existing segment disclosures in Topic 280 on an interim and annual basis, including new requirements to disclose significant segment expenses that are regularly provided to the Chief Operating Decision Maker ("CODM") and included within the reported measure(s) of a segment's profit or loss, the amount and composition of any other segment items, the title and position of the CODM, and how the CODM uses the reported measure(s) of a segment's profit or loss to assess performance and decide how to allocate resources. The guidance is effective for our annual period beginning January 1, 2025, and interim periods thereafter, applied retrospectively with early adoption permitted. We are currently evaluating the impact of adoption of this standard on our consolidated financial statements and disclosures. In December 2023, the FASB issued ASU 2023-09 - Income Taxes (Topic 740): Improvements to Income Tax Disclosures, which requires public entities to provide greater disaggregation within their annual rate reconciliation, including new requirements to present reconciling items on a gross basis in specified categories, disclose both percentages and dollar amounts, and disaggregate individual reconciling items by jurisdiction and nature when the effect of the items meet a quantitative threshold. The guidance also requires disaggregating the annual disclosure of income taxes paid, net of refunds received, by federal (national), state, and foreign taxes, with separate presentation of individual jurisdictions that meet a quantitative threshold. The guidance is effective for our annual periods beginning January 1, 2025 on a prospective basis, with a retrospective option, and early adoption is permitted. We are currently evaluating the impact of adoption of this standard on our consolidated financial statements and disclosures.

Revenue (Tables)

3 Months Ended

Mar. 31, 2024

Revenue from Contract with Customer [Abstract]

Schedule of Revenue

The following table presents a summary of revenue:


	Three Months Ended March 31,
(in thousands)	2024		2023
Subscription revenue	$	197,635	$	171,098
Perpetual license and maintenance revenue	12,156		12,181
Professional services and other revenue	6,170		5,560
Revenue	$	215,961	$	188,839

Schedule of Activity of Deferred Contract Costs

The following summarizes the activity of deferred incremental costs of obtaining a contract:


	Three Months Ended March 31,
(in thousands)	2024		2023
Beginning balance	$	121,953	$	111,508
Capitalization of contract acquisition costs	9,035		8,907
Amortization of deferred contract acquisition costs	(13,373)		(12,035)
Ending balance	$	117,615	$	108,380

Cash Equivalents and Short-Term Investments (Tables)

3 Months Ended

Mar. 31, 2024

Cash and Cash Equivalents [Abstract]

Schedule of Amortized Cost, Unrealized Gain and Loss and Estimated Fair Value

The following tables summarize the amortized cost, unrealized gain and loss and estimated fair value of cash equivalents and short-term investments:


	March 31, 2024
(in thousands)	Amortized Cost		Unrealized Gain		Unrealized Loss		Estimated Fair Value
Cash equivalents
Money market funds	$	151,173	$	—	$	—	$	151,173
Total cash equivalents	$	151,173	$	—	$	—	$	151,173

Short-term investments
Commercial paper	$	78,362	$	24	$	(41)	$	78,345
Corporate bonds	70,106		9		(88)		70,027
Asset backed securities	18,521		9		(16)		18,514
Yankee bonds	8,922		2		(23)		8,901
U.S. Treasury and agency obligations	75,068		13		(74)		75,007
Total short-term investments	$	250,979	$	57	$	(242)	$	250,794


	December 31, 2023
(in thousands)	Amortized Cost		Unrealized Gain		Unrealized Loss		Estimated Fair Value
Cash equivalents
Money market funds	$	130,375	$	—	$	—	$	130,375
Total cash equivalents	$	130,375	$	—	$	—	$	130,375

Short-term investments
Commercial paper	$	82,188	$	50	$	(22)	$	82,216
Corporate bonds	61,200		40		(91)		61,149
Asset backed securities	15,032		26		(15)		15,043
Yankee bonds	6,926		4		(17)		6,913
U.S. Treasury and agency obligations	71,456		97		(34)		71,519
Total short-term investments	$	236,802	$	217	$	(179)	$	236,840

Schedule of Contractual Maturities on Short-Term Investments

The contractual maturities of our short-term investments are as follows:


	March 31, 2024				December 31, 2023
(in thousands)	Amortized Cost		Estimated Fair Value		Amortized Cost		Estimated Fair Value
Due within one year	$	212,522	$	212,368	$	219,437	$	219,414
Due between one and two years	38,457		38,426		17,365		17,426
Total short-term investments	$	250,979	$	250,794	$	236,802	$	236,840

Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2024

Fair Value Disclosures [Abstract]

Schedule of Assets Measured At Fair Value on Recurring Basis

The following tables summarize assets that are measured at fair value on a recurring basis:


	March 31, 2024
(in thousands)	Level 1		Level 2		Level 3		Total
Cash equivalents
Money market funds	$	151,173	$	—	$	—	$	151,173
Total cash equivalents	$	151,173	$	—	$	—	$	151,173

Short-term investments
Commercial paper	$	—	$	78,345	$	—	$	78,345
Corporate bonds	—		70,027		—		70,027
Asset backed securities	—		18,514		—		18,514
Yankee bonds	—		8,901		—		8,901
U.S. Treasury and agency obligations	—		75,007		—		75,007
Total short-term investments	$	—	$	250,794	$	—	$	250,794


	December 31, 2023
(in thousands)	Level 1		Level 2		Level 3		Total
Cash equivalents
Money market funds	$	130,375	$	—	$	—	$	130,375
Total cash equivalents	$	130,375	$	—	$	—	$	130,375

Short-term investments
Commercial paper	$	—	$	82,216	$	—	$	82,216
Corporate bonds	—		61,149		—		61,149
Asset backed securities	—		15,043		—		15,043
Yankee bonds	—		6,913		—		6,913
U.S. Treasury and agency obligations	—		71,519		—		71,519
Total short-term investments	$	—	$	236,840	$	—	$	236,840

Property and Equipment, Net (Tables)

3 Months Ended

Mar. 31, 2024

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment, Net

Property and equipment, net consisted of the following:


(in thousands)	March 31, 2024		December 31, 2023
Computer software and equipment	$	21,526	$	21,845
Internally developed software	35,521		32,261
Furniture and fixtures	6,620		6,513
Leasehold improvements	28,552		29,354
Total	92,219		89,973
Less: accumulated depreciation and amortization	(46,638)		(44,537)
Property and equipment, net	$	45,581	$	45,436

Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Acquired Intangible Assets Subject to Amortization

Acquired intangible assets subject to amortization are as follows:


	March 31, 2024						December 31, 2023
(in thousands)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Acquired technology	$	142,537	$	(40,188)	$	102,349	$	142,537	$	(35,520)	$	107,017
Trade name	490		(490)		—		490		(490)		—
	$	143,027	$	(40,678)	$	102,349	$	143,027	$	(36,010)	$	107,017

Schedule of Future Amortization of Intangible Assets

At March 31, 2024, estimated future amortization of acquired intangible assets is as follows:


(in thousands)
Year ending December 31,
2024(1)	$	14,007
2025	18,675
2026	18,490
2027	16,460
2028	13,417
Thereafter	21,300
Total	$	102,349

_______________

(1) Represents the nine months ending December 31, 2024.

Leases (Tables)

3 Months Ended

Mar. 31, 2024

Leases [Abstract]

Schedule of Components of Lease Expense and Supplemental Information

The components of lease expense were as follows:


	Three Months Ended March 31,
(in thousands)	2024		2023
Operating lease cost	$	1,895	$	1,888

Supplemental information related to leases was as follows:


	March 31, 2024	December 31, 2023
Operating leases
Weighted average remaining lease term	7.1 years	7.3 years
Weighted average discount rate	5.6%	5.6%

Schedule of Maturities of Operating Lease Liabilities

Maturities of operating lease liabilities at March 31, 2024 were as follows:


(in thousands)
Year ending December 31,
2024(1)	$	6,450
2025	9,540
2026	8,862
2027	8,389
2028	7,528
Thereafter	23,280
Total lease payments	64,049
Less: Imputed interest	(11,747)

Total	$	52,302

_______________

(1) Represents the nine months ending December 31, 2024.

Debt (Tables)

3 Months Ended

Mar. 31, 2024

Debt Disclosure [Abstract]

Schedule of Carrying Value of Term Loan

The table below summarizes the carrying value of the Term Loan:


(in thousands)	March 31, 2024
Term loan	$	366,562
Less: Unamortized debt discount and issuance costs	(5,286)
Term loan, net of issuance costs	361,276
Less: Term loan, net, current (1)	(2,654)
Term loan, net of issuance costs (net of current portion)	$	358,622

_______________

(1) Term loan, net current is included in other current liabilities on our consolidated balance sheets.

Schedule of Maturities of Term Loan

The maturities of the Term Loan at March 31, 2024 were as follows:


(in thousands)
Year ending December 31,
2024(1)	$	2,812
2025	3,750
2026	3,750
2027	3,750
2028	352,500
Total	$	366,562

_______________

(1) Represents the nine months ending December 31, 2024.

Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Stock-based Compensation Expense

Stock-based compensation expense included in the consolidated statements of operations was as follows:


	Three Months Ended March 31,
(in thousands)	2024		2023
Cost of revenue	$	2,982	$	2,625
Sales and marketing	15,300		14,394
Research and development	11,161		8,865
General and administrative	10,276		8,233
Total stock-based compensation expense	$	39,719	$	34,117

Schedule of Unrecognized Stock-Based Compensation

A summary of the unrecognized stock-based compensation expense related to unvested stock at March 31, 2024 is presented below:


	Unrecognized Stock-Based Compensation Expense (in thousands)		Estimated Weighted Average Period (in years)
Restricted Stock Units ("RSUs")	$	374,535	3.0
Performance Stock Units ("PSUs")	11,281		3.5
Restricted Share Awards	11,400		2.0
2018 Employee Stock Purchase Plan ("2018 ESPP")	5,508		0.8

Schedule of RSUs and PSUs

A summary of our restricted stock, RSU and PSU activity is presented below:


	Restricted Stock			RSUs			PSUs
(in thousands, except for per share data)	Number of Shares	Weighted Average Grant Date Fair Value		Number of Shares	Weighted Average Grant Date Fair Value		Number of Shares	Weighted Average Grant Date Fair Value
Unvested balance at December 31, 2023	311	$	45.67	7,343	$	43.80	258	$	43.90
Granted	—	—		3,153	47.31		170	47.20
Performance adjustment(1)	—	—		—	—		(10)	43.24
Vested	(31)	45.67		(1,313)	42.51		(48)	43.63
Forfeited	—	—		(345)	44.45		—	—
Unvested balance at March 31, 2024	280	45.67		8,838	45.20		370	45.47

_______________

(1) Represents adjustments due to the achievement of predefined financial performance targets.

Schedule of Stock Option Activity

A summary of our stock option activity is presented below:


(in thousands, except for exercise prices and years)	Number of Shares	Weighted Average Exercise Price		Weighted-Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value
Outstanding at December 31, 2023	5,095	$	8.95	3.5	$	189,108

Exercised	(455)	4.11			20,073
Forfeited/canceled	—	—			—
Outstanding and exercisable at March 31, 2024	4,640	9.42		3.3	185,636

Schedule of ESPP Valuation Assumptions

The fair value of the 2018 ESPP purchase rights was estimated on the offering or modification dates using a Black-Scholes option-pricing model and the following assumptions:


	Three Months Ended March 31,
	2024	2023
Expected term (in years)	0.5 — 2.0	0.5 — 2.0
Expected volatility	41.1% — 51.4%	51.0% — 58.1%
Risk-free interest rate	4.4% — 5.1%	4.8% — 5.0%
Expected dividend yield	—	—

Net Loss Per Share (Tables)

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Schedule of Computation of Basic and Diluted Net Loss Per Share

The following table sets forth the computation of basic and diluted net loss per share:


	Three Months Ended March 31,
(in thousands, except per share data)	2024		2023
Net loss	$	(14,386)	$	(25,097)

Weighted-average shares used to compute net loss per share, basic and diluted	117,542		113,791
Net loss per share, basic and diluted	$	(0.12)	$	(0.22)

Schedule of Potentially Dilutive Securities

The following potentially dilutive securities have been excluded from the diluted per share calculations because they would have been antidilutive:


	March 31,
(in thousands)	2024	2023
RSUs	8,838	8,706
Stock options	4,640	5,405
Shares to be issued under the 2018 ESPP	45	78

PSUs	200	156
Restricted stock	280	—
Total	14,003	14,345

Geographic Information (Tables)

3 Months Ended

Mar. 31, 2024

Segment Reporting [Abstract]

Schedule of Revenue by Region

Revenue by region, based on the address of the end user as specified in our subscription, license or service agreements, was as follows:


	Three Months Ended March 31,
(in thousands)	2024		2023
The Americas	$	134,483	$	119,284
Europe, Middle East and Africa	57,038		48,259
Asia Pacific	24,440		21,296
Revenue	$	215,961	$	188,839

Schedule of Property and Equipment, Net by Geographic Area

Our property and equipment, net by geographic area is summarized as follows:


(in thousands)	March 31, 2024		December 31, 2023
United States	$	40,482	$	39,497
International	5,099		5,939
Property and equipment, net	$	45,581	$	45,436

Revenue - Schedule of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Revenue	$ 215,961	$ 188,839
Subscription revenue
Disaggregation of Revenue [Line Items]
Revenue	197,635	171,098
Perpetual license and maintenance revenue
Disaggregation of Revenue [Line Items]
Revenue	12,156	12,181
Professional services and other revenue
Disaggregation of Revenue [Line Items]
Revenue	$ 6,170	$ 5,560

Revenue - Concentrations (Details)	3 Months Ended		12 Months Ended
Revenue - Concentrations (Details)	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Revenue \| Customer Concentration Risk \| One Distributor
Concentration Risk [Line Items]
Concentration risk (in percent)	34.00%	37.00%
Accounts Receivable \| Customer Concentration Risk \| One Distributor
Concentration Risk [Line Items]
Concentration risk (in percent)	32.00%		32.00%
Channel Network \| Revenue \| Sales Method Risk
Concentration Risk [Line Items]
Concentration risk (in percent)	93.00%	93.00%

Revenue - Contract Balances (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenue from Contract with Customer [Abstract]
Revenue recognized that was included in deferred revenue	$ 201.0	$ 174.0

Revenue - Remaining Performance Obligations (Details) $ in Millions	Mar. 31, 2024 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Future estimated revenue	$ 742.4
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Future estimated revenue	$ 572.9
Expected timing of satisfaction	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-04-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Expected timing of satisfaction	4 years

Revenue - Activity of Deferred Contract Costs (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Capitalized Contract Cost [Roll Forward]
Beginning balance	$ 121,953	$ 111,508
Capitalization of contract acquisition costs	9,035	8,907
Amortization of deferred contract acquisition costs	(13,373)	(12,035)
Ending balance	$ 117,615	$ 108,380

Cash Equivalents and Short-Term Investments - Summary of Amortized Cost, Unrealized Gain and Loss and Estimated Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Cash and Cash Equivalents [Line Items]
Cash equivalents	$ 151,173	$ 130,375
Amortized Cost	250,979	236,802
Unrealized Gain	57	217
Unrealized Loss	(242)	(179)
Estimated Fair Value	250,794	236,840
Commercial paper
Cash and Cash Equivalents [Line Items]
Amortized Cost	78,362	82,188
Unrealized Gain	24	50
Unrealized Loss	(41)	(22)
Estimated Fair Value	78,345	82,216
Corporate bonds
Cash and Cash Equivalents [Line Items]
Amortized Cost	70,106	61,200
Unrealized Gain	9	40
Unrealized Loss	(88)	(91)
Estimated Fair Value	70,027	61,149
Asset backed securities
Cash and Cash Equivalents [Line Items]
Amortized Cost	18,521	15,032
Unrealized Gain	9	26
Unrealized Loss	(16)	(15)
Estimated Fair Value	18,514	15,043
Yankee bonds
Cash and Cash Equivalents [Line Items]
Amortized Cost	8,922	6,926
Unrealized Gain	2	4
Unrealized Loss	(23)	(17)
Estimated Fair Value	8,901	6,913
U.S. Treasury and agency obligations
Cash and Cash Equivalents [Line Items]
Amortized Cost	75,068	71,456
Unrealized Gain	13	97
Unrealized Loss	(74)	(34)
Estimated Fair Value	75,007	71,519
Total cash equivalents
Cash and Cash Equivalents [Line Items]
Cash equivalents	151,173	130,375
Money market funds
Cash and Cash Equivalents [Line Items]
Cash equivalents	$ 151,173	$ 130,375

Cash Equivalents and Short-Term Investments - Contractual Maturities on Short-Term Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Cash and Cash Equivalents [Abstract]
Amortized Cost, Due within on year	$ 212,522	$ 219,437
Amortized Cost, Due between one and two years	38,457	17,365
Amortized Cost	250,979	236,802
Estimated Fair Value, Due within one year	212,368	219,414
Estimated Fair Value, Due between one and two years	38,426	17,426
Estimated Fair Value	$ 250,794	$ 236,840

Cash Equivalents and Short-Term Investments - Narrative (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Collateral For Letters of Credit
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	$ 5.9	$ 5.8

Fair Value Measurements - Assets Measured At Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	$ 151,173	$ 130,375
Short-term investments	250,794	236,840
Commercial paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	78,345	82,216
Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	70,027	61,149
Asset backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	18,514	15,043
Yankee bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	8,901	6,913
U.S. Treasury and agency obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	75,007	71,519
Money market funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	151,173	130,375
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	151,173	130,375
Short-term investments	0	0
Level 1 \| Commercial paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	0	0
Level 1 \| Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	0	0
Level 1 \| Asset backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	0	0
Level 1 \| Yankee bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	0
Level 1 \| U.S. Treasury and agency obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	0	0
Level 1 \| Money market funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	151,173	130,375
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Short-term investments	250,794	236,840
Level 2 \| Commercial paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	78,345	82,216
Level 2 \| Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	70,027	61,149
Level 2 \| Asset backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	18,514	15,043
Level 2 \| Yankee bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	8,901	6,913
Level 2 \| U.S. Treasury and agency obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	75,007	71,519
Level 2 \| Money market funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Short-term investments	0	0
Level 3 \| Commercial paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	0	0
Level 3 \| Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	0	0
Level 3 \| Asset backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	0	0
Level 3 \| Yankee bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	0
Level 3 \| U.S. Treasury and agency obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	0	0
Level 3 \| Money market funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	$ 0	$ 0

Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Fair Value Disclosures [Abstract]
SAFE investments, carrying value	$ 5.9	$ 9.4
Proceeds from SAFE Investments	3.5
SAFE Investments, receivable	$ 0.9

Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Total	$ 92,219	$ 89,973
Less: accumulated depreciation and amortization	(46,638)	(44,537)
Property and equipment, net	45,581	45,436
Computer software and equipment
Property, Plant and Equipment [Line Items]
Total	21,526	21,845
Internally developed software
Property, Plant and Equipment [Line Items]
Total	35,521	32,261
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total	6,620	6,513
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total	$ 28,552	$ 29,354

Property and Equipment, Net - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Property, Plant and Equipment [Abstract]
Depreciation and amortization	$ 3.6	$ 3.3

Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 518,539		$ 518,539
Amortization of acquired intangible assets	$ 4,700	$ 3,100
Estimated useful life	6 years

Goodwill and Intangible Assets - Schedule of Acquired Intangible Assets Subject to Amortization (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 143,027	$ 143,027
Accumulated Amortization	(40,678)	(36,010)
Total	102,349	107,017
Acquired technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	142,537	142,537
Accumulated Amortization	(40,188)	(35,520)
Total	102,349	107,017
Trade name
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	490	490
Accumulated Amortization	(490)	(490)
Total	$ 0	$ 0

Goodwill and Intangible Assets - Schedule of Future Amortization of Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
2024	$ 14,007
2025	18,675
2026	18,490
2027	16,460
2028	13,417
Thereafter	21,300
Total	$ 102,349	$ 107,017

Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Leases [Abstract]
Operating lease cost	$ 1,895	$ 1,888

Leases - Supplemental Information Related to Leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Leases [Abstract]
Right-of-use assets in exchange for lease liabilities	$ 0	$ 0
Operating leases
Weighted average remaining lease term (in years)	7 years 1 month 6 days		7 years 3 months 18 days
Weighted average discount rate	5.60%		5.60%

Leases - Operating Lease Liability Maturities (Details) $ in Thousands	Mar. 31, 2024 USD ($)
Leases [Abstract]
2024	$ 6,450
2025	9,540
2026	8,862
2027	8,389
2028	7,528
Thereafter	23,280
Total lease payments	64,049
Less: Imputed interest	(11,747)
Total	$ 52,302

Debt- Narrative (Details)	1 Months Ended
Debt- Narrative (Details)	Jul. 31, 2021 USD ($)	Mar. 31, 2024 USD ($)
Line of Credit Facility [Line Items]
Standby letters of credit		$ 5,700,000
Secured Debt
Line of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity	$ 375,000,000
Annual amortization amount, percent	1.00%
Debt instrument, periodic payment terms, balloon payment to be paid	$ 350,600,000
Long-term debt, fair value		$ 366,100,000
Secured Debt \| Credit Agreement
Line of Credit Facility [Line Items]
Debt Instrument, covenant, leverage ratio, maximum		3.5
Debt instrument, covenant, leverage ratio		1.14
Secured Debt \| Secured Overnight Financing Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate	2.75%
Debt instrument, basis spread on variable rate, variable rate floor	0.50%
Revolving Credit Facility
Line of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity	$ 50,000,000
Standby letters of credit		$ 200,000
Revolving Credit Facility \| Credit Agreement \| Minimum
Line of Credit Facility [Line Items]
Unused capacity, commitment fee percentage	0.25%
Revolving Credit Facility \| Credit Agreement \| Maximum
Line of Credit Facility [Line Items]
Unused capacity, commitment fee percentage	0.375%
Revolving Credit Facility \| Secured Overnight Financing Rate \| Minimum
Line of Credit Facility [Line Items]
Basis spread on variable rate	2.00%
Revolving Credit Facility \| Secured Overnight Financing Rate \| Maximum
Line of Credit Facility [Line Items]
Basis spread on variable rate	2.50%
Letter of Credit
Line of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity	$ 15,000,000

Debt - Carrying Value of Term Loan (Details) $ in Thousands	Mar. 31, 2024 USD ($)
Debt Instrument [Line Items]
Term loan	$ 366,562
Secured Debt
Debt Instrument [Line Items]
Term loan	366,562
Less: Unamortized debt discount and issuance costs	(5,286)
Term loan, net of issuance costs	361,276
Less: Term loan, net, current	(2,654)
Term loan, net of issuance costs (net of current portion)	$ 358,622

Debt - Maturities of Term Loan (Details) $ in Thousands	Mar. 31, 2024 USD ($)
Debt Disclosure [Abstract]
2024	$ 2,812
2025	3,750
2026	3,750
2027	3,750
2028	352,500
Total	$ 366,562

Commitments and Contingencies (Details) € in Millions, $ in Millions	Mar. 31, 2024 USD ($)	Mar. 31, 2024 EUR (€)	Dec. 31, 2023 EUR (€)	Jul. 31, 2021 USD ($)
Line of Credit Facility [Line Items]
Purchase obligation, amount spent \| €		€ 1.2
Standby letters of credit	$ 5.7
Microsoft
Line of Credit Facility [Line Items]
Purchase obligation \| €			€ 28.5
Amazon Web Services (AWS)
Line of Credit Facility [Line Items]
Purchase obligation				$ 140.6
Purchase obligation, to be paid, year one				43.7
Purchase obligation, to be paid, year two				46.8
Purchase obligation, to be paid, year three				$ 50.1
Amount of purchase obligation spent	$ 47.7

Stock-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended
	Jan. 31, 2024	Mar. 31, 2024	Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Proceeds from stock issued in connection with the employee stock purchase plan		$ 9,884	$ 9,914
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional shares reserved (in shares)	1,800,000
Shares available for grant (in shares)		10,100,000
Common stock purchased (in shares)		304,753
Share price (in usd per share)		$ 32.43
Employee contributions		$ 1,600
2018 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional shares reserved (in shares)	5,900,000
Shares available for grant (in shares)		26,300,000

Stock-Based Compensation - Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation expense	$ 39,719	$ 34,117
Cost of revenue
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation expense	2,982	2,625
Sales and marketing
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation expense	15,300	14,394
Research and development
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation expense	11,161	8,865
General and administrative
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation expense	$ 10,276	$ 8,233

Stock-Based Compensation - Schedule of Unrecognized Stock-Based Compensation (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($)
Restricted Stock Units ("RSUs")
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Stock-Based Compensation Expense (in thousands)	$ 374,535
Estimated Weighted Average Period (in years)	3 years
Performance Stock Units ("PSUs")
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Stock-Based Compensation Expense (in thousands)	$ 11,281
Estimated Weighted Average Period (in years)	3 years 6 months
Restricted Share Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Stock-Based Compensation Expense (in thousands)	$ 11,400
Estimated Weighted Average Period (in years)	2 years
2018 Employee Stock Purchase Plan ("2018 ESPP")
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Stock-Based Compensation Expense (in thousands)	$ 5,508
Estimated Weighted Average Period (in years)	9 months 18 days

Stock-Based Compensation - RSUs and PSUs (Details) shares in Thousands	3 Months Ended
	Mar. 31, 2024 $ / shares shares
Restricted Stock
Number of Shares
Number of shares unvested, beginning of period (in shares) \| shares	311
Number of shares, granted (in shares) \| shares	0
Number of shares, performance adjustment (in shares) \| shares	0
Number of shares, vested (in shares) \| shares	(31)
Number of shares, forfeited (in shares) \| shares	0
Number of shares unvested, end of period (in shares) \| shares	280
Weighted Average Grant Date Fair Value
Weighted average grant date fair value, beginning of period (in usd per share) \| $ / shares	$ 45.67
Weighted average grant date fair value, granted (in usd per share) \| $ / shares	0
Weighted average grant date fair value, performance adjustment (in usd per share) \| $ / shares	0
Weighted average grant date fair value, vested (in usd per share) \| $ / shares	45.67
Weighted average grant date fair value, forfeited (in usd per share) \| $ / shares	0
Weighted average grant date fair value, end of period (in usd per share) \| $ / shares	$ 45.67
RSUs
Number of Shares
Number of shares unvested, beginning of period (in shares) \| shares	7,343
Number of shares, granted (in shares) \| shares	3,153
Number of shares, performance adjustment (in shares) \| shares	0
Number of shares, vested (in shares) \| shares	(1,313)
Number of shares, forfeited (in shares) \| shares	(345)
Number of shares unvested, end of period (in shares) \| shares	8,838
Weighted Average Grant Date Fair Value
Weighted average grant date fair value, beginning of period (in usd per share) \| $ / shares	$ 43.80
Weighted average grant date fair value, granted (in usd per share) \| $ / shares	47.31
Weighted average grant date fair value, performance adjustment (in usd per share) \| $ / shares	0
Weighted average grant date fair value, vested (in usd per share) \| $ / shares	42.51
Weighted average grant date fair value, forfeited (in usd per share) \| $ / shares	44.45
Weighted average grant date fair value, end of period (in usd per share) \| $ / shares	$ 45.20
PSUs
Number of Shares
Number of shares unvested, beginning of period (in shares) \| shares	258
Number of shares, granted (in shares) \| shares	170
Number of shares, performance adjustment (in shares) \| shares	(10)
Number of shares, vested (in shares) \| shares	(48)
Number of shares, forfeited (in shares) \| shares	0
Number of shares unvested, end of period (in shares) \| shares	370
Weighted Average Grant Date Fair Value
Weighted average grant date fair value, beginning of period (in usd per share) \| $ / shares	$ 43.90
Weighted average grant date fair value, granted (in usd per share) \| $ / shares	47.20
Weighted average grant date fair value, performance adjustment (in usd per share) \| $ / shares	43.24
Weighted average grant date fair value, vested (in usd per share) \| $ / shares	43.63
Weighted average grant date fair value, forfeited (in usd per share) \| $ / shares	0
Weighted average grant date fair value, end of period (in usd per share) \| $ / shares	$ 45.47

Stock-Based Compensation - Stock Option Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Number of Shares
Number of shares outstanding, beginning of period (in shares)	5,095
Number of shares, exercised (in shares)	(455)
Number of shares, forfeited/canceled (in shares)	0
Number of shares outstanding, end of period (in shares)	4,640	5,095
Number of shares exercisable (in shares)	4,640
Weighted Average Exercise Price
Weighted average exercise price, outstanding, beginning of period (in usd per share)	$ 8.95
Weighted average exercise price, exercised (in usd per share)	4.11
Weighted average exercise price, forfeited/canceled (in usd per share)	0
Weighted average exercise price, outstanding, end of period (in usd per share)	9.42	$ 8.95
Weighted average exercise price, exercisable (in usd per share)	$ 9.42
Weighted Average Remaining Contractual Term/ Aggregate Intrinsic Value
Weighted average remaining contractual term (in years), outstanding	3 years 3 months 18 days	3 years 6 months
Weighted average remaining contractual term (in years), exercisable	3 years 3 months 18 days
Aggregate intrinsic value, outstanding	$ 185,636	$ 189,108
Aggregate intrinsic value, exercised	20,073
Aggregate intrinsic value, exercisable	$ 185,636

Stock-Based Compensation - Fair Value Assumptions (Details) - Employee Stock Purchase Plan	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility, minimum	41.10%	51.00%
Expected volatility, maximum	51.40%	58.10%
Risk-free interest rate, minimum	4.40%	4.80%
Risk-free interest rate, maximum	5.10%	5.00%
Expected dividend yield	0.00%	0.00%
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (in years)	6 months	6 months
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (in years)	2 years	2 years

Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
Income Taxes (Details) - USD ($) $ in Millions	Mar. 31, 2024	Mar. 31, 2023
Income Tax Disclosure [Abstract]
Foreign tax expense	$ 0.4	$ 1.9
Discrete expenses	$ 1.3	$ 1.3

Net Loss Per Share - Computation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Earnings Per Share [Abstract]
Net loss	$ (14,386)	$ (25,097)
Weighted-average shares used to compute net loss per share, basic (in shares)	117,542	113,791
Weighted-average shares used to compute net loss per share, diluted (in shares)	117,542	113,791
Net loss per share, basic (in usd per share)	$ (0.12)	$ (0.22)
Net loss per share, diluted (in usd per share)	$ (0.12)	$ (0.22)

Net Loss Per Share - Schedule of Potentially Dilutive Securities (Details) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	14,003	14,345
RSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	8,838	8,706
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	4,640	5,405
Shares to be issued under the 2018 ESPP
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	45	78
PSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	200	156
Restricted Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	280	0

Geographic Information - Narrative (Details) - segment	3 Months Ended
Geographic Information - Narrative (Details) - segment	Mar. 31, 2024	Mar. 31, 2023
Concentration Risk [Line Items]
Number of operating segments	1
United States \| Revenue \| Geographic Concentration Risk
Concentration Risk [Line Items]
Concentration risk (in percent)	54.00%	56.00%

Geographic Information - Revenue by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 215,961	$ 188,839
The Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	134,483	119,284
Europe, Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	57,038	48,259
Asia Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 24,440	$ 21,296

Geographic Information - Property and Equipment, Net by Geographic Area (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	$ 45,581	$ 45,436
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	40,482	39,497
International
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net	$ 5,099	$ 5,939

Grafico Azioni Tenable (NASDAQ:TENB)
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Da Ott 2024 a Nov 2024

Grafico Azioni Tenable (NASDAQ:TENB)
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Da Nov 2023 a Nov 2024

TENB Tenable Holdings Inc

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TENB Tenable Holdings Inc

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