ADTRAN Holdings, Inc.

Director's Dealing • Dec 2, 2025

News Details

Directors’ Dealings | 2 December 2025 11:06

Adtran Holdings, Inc.: Timothy Santo, Acquisition of 6,150 shares in ADTRAN Holdings, Inc. (ISIN US00486H1059)

Notification and public disclosure of transactions by persons discharging managerial responsibilities and persons closely associated with them

02.12.2025 / 11:05 CET/CEST

The issuer is solely responsible for the content of this announcement.

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1. Details of the person discharging managerial responsibilities / person closely associated

a) Name

Title:
First name:	Timothy
Last name(s):	Santo

2. Reason for the notification

a) Position / status

Position:	Chief Financial Officer

b) Initial notification

3. Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a) Name

Adtran Holdings, Inc.

b) LEI

549300VV36J86CRRWF77

4. Details of the transaction(s)

a) Description of the financial instrument, type of instrument, identification code

Type:	Share
ISIN:	US00486H1059

b) Nature of the transaction

Acquisition of 6,150 shares in ADTRAN Holdings, Inc. (ISIN US00486H1059)

c) Price(s) and volume(s)

Price(s)	Volume(s)
8.02 USD	49,323.00 USD

d) Aggregated information

Price	Aggregated volume
8.02 USD	49,323.00 USD

e) Date of the transaction

28/11/2025; UTC−5

f) Place of the transaction

Name:	NASDAQ
MIC:	XNAS

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02.12.2025 CET/CEST The EQS Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases.

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Language:	English
Company:	Adtran Holdings, Inc.
	901 Explorer Boulevard
	35806 Huntsville
	United States
Internet:	www.adtran.com

End of News	EQS News Service

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102148  02.12.2025 CET/CEST