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ADTRAN Holdings, Inc.

DEF 14A 30 filings

All DEF 14A Filings

Complete history of DEF 14A filings with the SEC

Date Filed	View on EDGAR
27 Mar Mar 27, 2026	open_in_new View Filing
31 Mar Mar 31, 2025	open_in_new View Filing
27 Mar Mar 27, 2024	open_in_new View Filing
28 Mar Mar 28, 2023	open_in_new View Filing
29 Mar Mar 29, 2022	open_in_new View Filing
30 Mar Mar 30, 2021	open_in_new View Filing
02 Apr Apr 02, 2020	open_in_new View Filing
03 Apr Apr 03, 2019	open_in_new View Filing
04 Apr Apr 04, 2018	open_in_new View Filing
03 Apr Apr 03, 2017	open_in_new View Filing
04 Apr Apr 04, 2016	open_in_new View Filing
03 Apr Apr 03, 2015	open_in_new View Filing
04 Apr Apr 04, 2014	open_in_new View Filing
01 Apr Apr 01, 2013	open_in_new View Filing
30 Mar Mar 30, 2012	open_in_new View Filing
31 Mar Mar 31, 2011	open_in_new View Filing
05 Apr Apr 05, 2010	open_in_new View Filing
23 Mar Mar 23, 2009	open_in_new View Filing
03 Apr Apr 03, 2008	open_in_new View Filing
30 Mar Mar 30, 2007	open_in_new View Filing
31 Mar Mar 31, 2006	open_in_new View Filing
05 Apr Apr 05, 2005	open_in_new View Filing
12 Mar Mar 12, 2004	open_in_new View Filing
10 Mar Mar 10, 2003	open_in_new View Filing
11 Mar Mar 11, 2002	open_in_new View Filing
06 Mar Mar 06, 2001	open_in_new View Filing
08 Mar Mar 08, 2000	open_in_new View Filing
11 Mar Mar 11, 1999	open_in_new View Filing
19 Mar Mar 19, 1998	open_in_new View Filing
25 Mar Mar 25, 1997	open_in_new View Filing