ADTRAN HOLDINGS, INC.

Annual & Quarterly Reports
Current Reports
8-K
2025-11-04
EX-99.1
8-K
2025-09-22
EX-4.1
8-K
2025-09-17
EX-10.1

Proxy Statements
DEFA14A
2025-06-06
DEFA14A
2025-05-27
DEFA14A
2025-05-13
DEFA14A
2025-03-31

Recent Insider activity

Subsidiaries
EX-21
2025-03-03
EX-21
2024-03-15
EX-21
2023-03-01
EX-21
2022-02-25
EX-21
2021-02-26
EX-21
2020-02-25
EX-21
2019-02-28
EX-21
2018-02-23
EX-21
2017-02-24
EX-21
2016-02-24
EX-21
2015-02-24
EX-21
2014-02-27
EX-21
2013-02-28
EX-21
2012-02-29
EX-21
2011-02-25
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