SEC Filings

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ADTRAN Holdings, Inc.

4/A 82 filings

All 4/A Filings

Complete history of 4/A filings with the SEC

Date Filed	View on EDGAR
05 Mar Mar 05, 2026	open_in_new View Filing
30 Jan Jan 30, 2026	open_in_new View Filing
17 Jul Jul 17, 2024	open_in_new View Filing
08 Sep Sep 08, 2022	open_in_new View Filing
02 Sep Sep 02, 2022	open_in_new View Filing
02 Sep Sep 02, 2022	open_in_new View Filing
24 Jan Jan 24, 2022	open_in_new View Filing
20 Dec Dec 20, 2021	open_in_new View Filing
20 Dec Dec 20, 2021	open_in_new View Filing
07 Dec Dec 07, 2021	open_in_new View Filing
19 Nov Nov 19, 2021	open_in_new View Filing
07 Sep Sep 07, 2021	open_in_new View Filing
08 Mar Mar 08, 2021	open_in_new View Filing
03 Dec Dec 03, 2020	open_in_new View Filing
03 Dec Dec 03, 2020	open_in_new View Filing
03 Dec Dec 03, 2020	open_in_new View Filing
10 Mar Mar 10, 2020	open_in_new View Filing
24 May May 24, 2019	open_in_new View Filing
24 May May 24, 2019	open_in_new View Filing
24 May May 24, 2019	open_in_new View Filing
25 Feb Feb 25, 2019	open_in_new View Filing
25 Feb Feb 25, 2019	open_in_new View Filing
25 Feb Feb 25, 2019	open_in_new View Filing
25 Feb Feb 25, 2019	open_in_new View Filing
25 Feb Feb 25, 2019	open_in_new View Filing
21 Nov Nov 21, 2018	open_in_new View Filing
21 Nov Nov 21, 2018	open_in_new View Filing
21 Nov Nov 21, 2018	open_in_new View Filing
21 Nov Nov 21, 2018	open_in_new View Filing
21 Nov Nov 21, 2018	open_in_new View Filing
20 Nov Nov 20, 2018	open_in_new View Filing
20 Nov Nov 20, 2018	open_in_new View Filing
16 May May 16, 2016	open_in_new View Filing
17 Feb Feb 17, 2015	open_in_new View Filing
05 Feb Feb 05, 2013	open_in_new View Filing
04 Feb Feb 04, 2013	open_in_new View Filing
04 Feb Feb 04, 2013	open_in_new View Filing
04 Feb Feb 04, 2013	open_in_new View Filing
04 Feb Feb 04, 2013	open_in_new View Filing
04 Feb Feb 04, 2013	open_in_new View Filing
04 Feb Feb 04, 2013	open_in_new View Filing
04 Feb Feb 04, 2013	open_in_new View Filing
04 Feb Feb 04, 2013	open_in_new View Filing
25 Jul Jul 25, 2012	open_in_new View Filing
04 Jan Jan 04, 2011	open_in_new View Filing
12 Feb Feb 12, 2009	open_in_new View Filing
12 Feb Feb 12, 2009	open_in_new View Filing
10 Nov Nov 10, 2008	open_in_new View Filing
13 Mar Mar 13, 2007	open_in_new View Filing
13 Mar Mar 13, 2007	open_in_new View Filing
13 Mar Mar 13, 2007	open_in_new View Filing
13 Mar Mar 13, 2007	open_in_new View Filing
13 Mar Mar 13, 2007	open_in_new View Filing
13 Mar Mar 13, 2007	open_in_new View Filing
13 Mar Mar 13, 2007	open_in_new View Filing
13 Mar Mar 13, 2007	open_in_new View Filing
13 Mar Mar 13, 2007	open_in_new View Filing
13 Mar Mar 13, 2007	open_in_new View Filing
13 Mar Mar 13, 2007	open_in_new View Filing
13 Mar Mar 13, 2007	open_in_new View Filing
13 Mar Mar 13, 2007	open_in_new View Filing
13 Mar Mar 13, 2007	open_in_new View Filing
13 Mar Mar 13, 2007	open_in_new View Filing
13 Mar Mar 13, 2007	open_in_new View Filing
13 Mar Mar 13, 2007	open_in_new View Filing
13 Mar Mar 13, 2007	open_in_new View Filing
09 Nov Nov 09, 2005	open_in_new View Filing
04 Nov Nov 04, 2005	open_in_new View Filing
01 Aug Aug 01, 2005	open_in_new View Filing
22 Jan Jan 22, 2004	open_in_new View Filing
22 Jan Jan 22, 2004	open_in_new View Filing
22 Jan Jan 22, 2004	open_in_new View Filing
22 Jan Jan 22, 2004	open_in_new View Filing
22 Jan Jan 22, 2004	open_in_new View Filing
22 Jan Jan 22, 2004	open_in_new View Filing
22 Jan Jan 22, 2004	open_in_new View Filing
22 Jan Jan 22, 2004	open_in_new View Filing
22 Jan Jan 22, 2004	open_in_new View Filing
22 Jan Jan 22, 2004	open_in_new View Filing
09 Jan Jan 09, 2004	open_in_new View Filing
01 Aug Aug 01, 2003	open_in_new View Filing
25 Jul Jul 25, 2003	open_in_new View Filing