Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material
31 Marzo 2025 - 10:13PM
Edgar (US Regulatory)
false0000926282DEFA14A00009262822024-01-012024-12-31
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 14A
(Rule 14a-101)
INFORMATION REQUIRED IN PROXY STATEMENT
SCHEDULE 14A INFORMATION
Proxy Statement Pursuant to Section 14(a) of the
Securities Exchange Act of 1934
_______________________
Filed by the Registrant ☒
Filed by a party other than the Registrant ☐
Check the appropriate box:
|
|
|
|
☐ |
|
|
Preliminary Proxy Statement |
☐ |
|
|
Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |
☐ |
|
|
Definitive Proxy Statement |
☒ |
|
|
Definitive Additional Materials |
☐ |
|
|
Soliciting Material under §240.14a-12 |
|
ADTRAN Holdings, Inc. |
(Name of Registrant as Specified In Its Charter) |
|
Not applicable. (Name of Person(s) Filing Proxy Statement, if other than the Registrant) |
|
Payment of Filing Fee (Check all boxes that apply):
|
|
|
☒ |
|
No fee required |
☐ |
|
Fee paid previously with preliminary materials |
☐ |
|
Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11 |


v3.25.1
X |
- DefinitionBoolean flag that is true when the XBRL content amends previously-filed or accepted submission.
+ References
+ Details
Name: |
dei_AmendmentFlag |
Namespace Prefix: |
dei_ |
Data Type: |
xbrli:booleanItemType |
Balance Type: |
na |
Period Type: |
duration |
|
X |
- DefinitionThe type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.
+ References
+ Details
Name: |
dei_DocumentType |
Namespace Prefix: |
dei_ |
Data Type: |
dei:submissionTypeItemType |
Balance Type: |
na |
Period Type: |
duration |
|
X |
- DefinitionA unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.
+ ReferencesReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Exchange Act -Number 240 -Section 12 -Subsection b-2
+ Details
Name: |
dei_EntityCentralIndexKey |
Namespace Prefix: |
dei_ |
Data Type: |
dei:centralIndexKeyItemType |
Balance Type: |
na |
Period Type: |
duration |
|
X |
- DefinitionThe exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.
+ ReferencesReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Exchange Act -Number 240 -Section 12 -Subsection b-2
+ Details
Name: |
dei_EntityRegistrantName |
Namespace Prefix: |
dei_ |
Data Type: |
xbrli:normalizedStringItemType |
Balance Type: |
na |
Period Type: |
duration |
|
Grafico Azioni ADTRAN (NASDAQ:ADTN)
Storico
Da Mar 2025 a Apr 2025
Grafico Azioni ADTRAN (NASDAQ:ADTN)
Storico
Da Apr 2024 a Apr 2025