EQS-DD: Adtran Holdings, Inc.: Thomas R. Stanton, Acquisition of 9,020 shares in ADTRAN Holdings, Inc. (ISIN US00486H1059) due to the vesting of 12,768 Restricted Stock Units[...]

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

a) Name

Title:
First name:	Thomas R.
Last name(s):	Stanton

2. Reason for the notification

a) Position / status

Position:

Chief Executive Officer and Chairman of the Board of Directors

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 9,020 shares in ADTRAN Holdings, Inc. (ISIN US00486H1059) due to the vesting of 12,768 Restricted Stock Units (granted July 13, 2022) pursuant to the 2020 Employee Stock Incentive Plan. 3,748 shares in ADTRAN Holdings, Inc. (ISIN US00486H1059) were withheld by ADTRAN Holdings, Inc. to cover the taxes.

c) Price(s) and volume(s)

Price(s)	Volume(s)
5.91 USD	53308.20 USD

d) Aggregated information

Price	Aggregated volume
5.91 USD	53308.20 USD

e) Date of the transaction

13/10/2024; UTC−5

f) Place of the transaction

Outside a trading venue