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ADTRAN (ADTN) – SEC Filings

Apr 17, 2024 04:44 PM Form 8-K ADTRAN Holdings, Inc. For: Apr 11

Apr 4, 2024 10:46 AM Form DEFA14A ADTRAN Holdings, Inc.

Mar 27, 2024 09:11 AM Form ARS ADTRAN Holdings, Inc. For: Dec 31

Mar 27, 2024 09:06 AM Form DEFA14A ADTRAN Holdings, Inc.

Mar 27, 2024 09:01 AM Form DEF 14A ADTRAN Holdings, Inc. For: May 08

Mar 25, 2024 04:10 PM Form SC 13G ADTRAN Holdings, Inc. Filed by: Divisar Capital Management LLC

Mar 15, 2024 02:39 PM Form 10-K ADTRAN Holdings, Inc. For: Dec 31

Mar 15, 2024 07:31 AM Form 8-K ADTRAN Holdings, Inc. For: Mar 15

Mar 15, 2024 06:03 AM Form 10-Q/A ADTRAN Holdings, Inc. For: Sep 30

Mar 15, 2024 06:02 AM Form 10-Q/A ADTRAN Holdings, Inc. For: Jun 30

Mar 15, 2024 06:01 AM Form 10-Q/A ADTRAN Holdings, Inc. For: Mar 31

Feb 29, 2024 04:31 PM Form NT 10-K ADTRAN Holdings, Inc. For: Dec 31

Feb 27, 2024 07:01 AM Form 8-K ADTRAN Holdings, Inc. For: Feb 26

Feb 20, 2024 04:53 PM Form 8-K ADTRAN Holdings, Inc. For: Feb 20

Feb 12, 2024 06:04 PM Form SC 13G ADTRAN Holdings, Inc. Filed by: WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Feb 12, 2024 11:22 AM Form SC 13G/A ADTRAN Holdings, Inc. Filed by: VANGUARD GROUP INC

Feb 12, 2024 10:50 AM Form SC 13G/A ADTRAN Holdings, Inc. Filed by: VANGUARD GROUP INC

Jan 30, 2024 04:47 PM Form 4 ADTRAN Holdings, Inc. For: Jan 26 Filed by: Wilson James Denson Jr

Jan 30, 2024 04:46 PM Form 4 ADTRAN Holdings, Inc. For: Jan 26 Filed by: Dopfer Ulrich

Jan 30, 2024 04:46 PM Form 4 ADTRAN Holdings, Inc. For: Jan 26 Filed by: Glingener Christoph

Jan 30, 2024 04:45 PM Form 4 ADTRAN Holdings, Inc. For: Jan 26 Filed by: STANTON THOMAS R

Jan 23, 2024 04:28 PM Form 4 ADTRAN Holdings, Inc. For: Jan 20 Filed by: Wilson James Denson Jr

Jan 23, 2024 04:28 PM Form 4 ADTRAN Holdings, Inc. For: Jan 20 Filed by: STANTON THOMAS R

Jan 22, 2024 02:05 PM Form SC 13G/A ADTRAN Holdings, Inc. Filed by: BlackRock Inc.

Jan 22, 2024 08:01 AM Form 8-K ADTRAN Holdings, Inc. For: Jan 16

Jan 3, 2024 05:53 PM Form 4 ADTRAN Holdings, Inc. For: Dec 31 Filed by: McCray Gregory James

Jan 3, 2024 05:52 PM Form 4 ADTRAN Holdings, Inc. For: Dec 31 Filed by: Protiva Brian

Jan 3, 2024 05:50 PM Form 4 ADTRAN Holdings, Inc. For: Dec 31 Filed by: HUSS H FENWICK

Jan 3, 2024 05:50 PM Form 4 ADTRAN Holdings, Inc. For: Dec 31 Filed by: Nair Balan

Jan 3, 2024 05:42 PM Form 4 ADTRAN Holdings, Inc. For: Dec 31 Filed by: Theodosopoulos Nikos

Jan 3, 2024 05:42 PM Form 4 ADTRAN Holdings, Inc. For: Dec 31 Filed by: Walker Kathryn A

Jan 3, 2024 05:37 PM Form 4 ADTRAN Holdings, Inc. For: Dec 31 Filed by: Jacqueline Hourigan Rice

Dec 8, 2023 04:05 PM Form 4 ADTRAN Holdings, Inc. For: Dec 07 Filed by: Protiva Brian

Dec 6, 2023 04:07 PM Form 8-K ADTRAN Holdings, Inc. For: Dec 04

Dec 5, 2023 04:06 PM Form 8-K ADTRAN Holdings, Inc. For: Dec 01

Dec 4, 2023 04:01 PM Form 4 ADTRAN Holdings, Inc. For: Dec 01 Filed by: Wilson James Denson Jr

Nov 20, 2023 04:00 PM Form 4 ADTRAN Holdings, Inc. For: Nov 16 Filed by: STANTON THOMAS R

Nov 20, 2023 04:00 PM Form 4 ADTRAN Holdings, Inc. For: Nov 16 Filed by: Wilson James Denson Jr

Nov 17, 2023 04:09 PM Form 4 ADTRAN Holdings, Inc. For: Nov 15 Filed by: Wilson James Denson Jr

Nov 17, 2023 04:08 PM Form 4 ADTRAN Holdings, Inc. For: Nov 15 Filed by: STANTON THOMAS R

Nov 9, 2023 04:45 PM Form 10-Q ADTRAN Holdings, Inc. For: Sep 30

Nov 7, 2023 06:07 AM Form 8-K ADTRAN Holdings, Inc. For: Nov 06

Oct 24, 2023 04:11 PM Form 8-K ADTRAN Holdings, Inc. For: Oct 18

Oct 17, 2023 07:32 AM Form 8-K ADTRAN Holdings, Inc. For: Oct 16

Sep 29, 2023 08:16 AM Form 8-K ADTRAN Holdings, Inc. For: Sep 25

Sep 21, 2023 04:48 PM Form 4 ADTRAN Holdings, Inc. For: Sep 19 Filed by: Hey Johanna

Sep 7, 2023 05:23 PM Form 4 ADTRAN Holdings, Inc. For: Sep 05 Filed by: Wilson James Denson Jr

Sep 7, 2023 05:22 PM Form 4 ADTRAN Holdings, Inc. For: Sep 05 Filed by: Walker Kathryn A

Sep 7, 2023 05:22 PM Form 4 ADTRAN Holdings, Inc. For: Aug 09 Filed by: Theodosopoulos Nikos

Sep 7, 2023 05:21 PM Form 4 ADTRAN Holdings, Inc. For: Sep 05 Filed by: STANTON THOMAS R