FA First Advantage Corporation

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. 1)*

First Advantage Corporation

(Name of Issuer)

Common stock, $0.001 par value per share

(Titles of Class of Securities)

31846B108

(CUSIP Number)

December 31, 2023

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

☐ Rule 13d-1(b)

☐ Rule 13d-1(c)

☒ Rule 13d-1(d)

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended (the “Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

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Item 1(a). Name of Issuer:

First Advantage Corporation (“Issuer”)

Item 1(b). Address of Issuer’s Principal Executive Offices:

1 Concourse Parkway NE, Suite 200

Atlanta, GA 30328

Item 2(a). Name of Person Filing:

This Schedule 13G is being filed jointly by SLP Fastball Aggregator, L.P., a Delaware limited partnership (“SLP Fastball”), SLP V Aggregator GP, L.L.C. (“SLP V GP”), a Delaware limited liability company, Silver Lake Technology Associates V, L.P. a Delaware limited partnership (“SLTA V”), SLTA V (GP), L.L.C., a Delaware limited liability company (“SLTA V GP”), and Silver Lake Group, L.L.C., a Delaware limited liability company (“SLG”) (each a “Reporting Person” and, together, the “Reporting Persons”), pursuant to an agreement of joint filing.

SLP V GP is the general partner of SLP Fastball. SLTA V is the managing member of SLP V GP. SLTA V GP is the general partner of SLTA V. SLG is the managing member of SLTA V GP.

Item 2(b). Address of Principal Business Office or, if none, Residence:

The principal business address of each of the Reporting Persons is as follows:

c/o Silver Lake

2775 Sand Hill Road, Suite 100

Menlo Park, CA 94025

Item 2(c). Citizenship:

See response to Item 4 of each of the cover pages and Item 2(a) above.

Item 2(d). Titles of Classes of Securities:

Common stock, $0.001 par value per share (“Common Stock”).

Item 2(e). CUSIP Number:

31846B108

Item 3. If This Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b) or (c), Check Whether the Person Filing is a(n):

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If filing as a non-U.S. institution in accordance with §240. 13d-1(b)(1)(ii)(J), please specify the type of institution:

Item 4. Ownership.

The information contained in rows 5, 6, 7, 8, 9, 10, and 11 on each of the cover pages of this Schedule 13G is incorporated by reference in its entirety into this Item 4.

The Reporting Persons may be deemed to beneficially own an aggregate of 89,557,840 shares of the Issuer’s Common Stock, consisting of 89,557,840 shares of Common Stock held by SLP Fastball representing approximately 61.7% of the issued and outstanding shares of the Issuer’s Common Stock.

The percentages of beneficial ownership in this Schedule 13G are based on 145,120,007 shares of Common Stock of the Issuer outstanding as of November 6, 2023, as reflected in the Quarterly Report on Form 10-Q filed by the Issuer with the Securities and Exchange Commission on November 9, 2023.

See responses to Item 11 on each cover page and Items 2(a) and 4(a) above.

See responses to Item 5 on each cover page and Items 2(a) and 4(a) above.

See responses to Item 6 on each cover page and Items 2(a) and 4(a) above.

See responses to Item 7 on each cover page and Items 2(a) and 4(a) above.

See responses to Item 8 on each cover page and Items 2(a) and 4(a) above.

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Item 5. Ownership of Five Percent or Less of a Class.

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following ☐.

Item 6. Ownership of More than Five Percent on Behalf of Another Person.

Not applicable

Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company.

Not applicable.

Item 8. Identification and Classification of Members of the Group.

Not applicable.

Item 9. Notice of Dissolution of Group.

Not applicable.

Item 10. Certification.

Not applicable.

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SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated: February 9, 2024