ADTRAN Holdings, Inc.

Director's Dealing • May 29, 2025

News Details

Directors’ Dealings | 29 May 2025 16:48

Adtran Holdings, Inc.: Christoph Glingener, Acquisition of 1,906 shares in ADTRAN Holdings, Inc. (ISIN US00486H1059) due to the vesting of 1,906 Restricted Stock Units (granted May 24, 2023) pursuant to the 2020 Employee Stock Incentive Plan.

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

29.05.2025 / 16:48 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:	Christoph
Last name(s):	Glingener

2. Reason for the notification

a) Position / status

Position:	Chief Technology 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 1,906 shares in ADTRAN Holdings, Inc. (ISIN US00486H1059) due to the vesting of 1,906 Restricted Stock Units (granted May 24, 2023) pursuant to the 2020 Employee Stock Incentive Plan.

c) Price(s) and volume(s)

Price(s)	Volume(s)
7.80 USD	14,866.80 USD

d) Aggregated information

Price	Aggregated volume
7.80 USD	14,866.80 USD

e) Date of the transaction

24/05/2025; UTC−5

f) Place of the transaction

Outside a trading venue

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29.05.2025 CET/CEST The EQS Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases.

Archive at www.eqs-news.com

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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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99074  29.05.2025 CET/CEST