Thomas R. Stanton - 24 Jan 2025 Form 4/A - Amendment Insider Report for ADTRAN Holdings, Inc. (ADTN)

Role: Chairman & CEO, Director
Signature: /s/ Dan Ragsdale, by power of attorney
Issuer symbol: ADTN
Transactions as of: 24 Jan 2025
Net transactions value: $0
Form type: 4/A - Amendment
Filing time: 05 Mar 2026, 16:07:55 UTC
Date Of Original Report: 28 Jan 2025
Previous filing: 22 Jan 2025
Next filing: 15 Apr 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
STANTON THOMAS R	Chairman & CEO, Director	C/O ADTRAN HOLDINGS, INC., 901 EXPLORER BOULEVARD, HUNTSVILLE	/s/ Dan Ragsdale, by power of attorney	05 Mar 2026	0001191219

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ADTN	Common Stock	Award		+39,735	+5.1%	$0.000000^*	815,953	24 Jan 2025	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	On January 28, 2025, the Reporting Person filed a Form 4 which inadvertently understated, by 360 shares, the number of shares received upon the settlement of performance stock units that were granted on March 1, 2023 under the Amended and Restated ADTRAN Holdings, Inc. 2020 Employee Stock Incentive Plan. This amendment is being filed to correct the number of shares received and the total number of shares directly held by the Reporting Person following such settlement.
F2	As a result of this amendment, the reporting person beneficially owns a total of 955,830.51 shares as of the date hereof and not 955,470.51 shares as reported on the most recent Form 4 filed by the reporting person on January 28, 2028.

Content

On January 28, 2025, the Reporting Person filed a Form 4 which inadvertently understated, by 360 shares, the number of shares received upon the settlement of performance stock units that were granted on March 1, 2023 under the Amended and Restated ADTRAN Holdings, Inc. 2020 Employee Stock Incentive Plan. This amendment is being filed to correct the number of shares received and the total number of shares directly held by the Reporting Person following such settlement.

As a result of this amendment, the reporting person beneficially owns a total of 955,830.51 shares as of the date hereof and not 955,470.51 shares as reported on the most recent Form 4 filed by the reporting person on January 28, 2028.