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ADTN   ADTRAN Holdings, Inc.   |  926282

Available Fillings Total Fillings:1974
Form Type Form Count
8-K 192
UPLOAD 16
NT 10-Q 2
DEFR14A 3
10-Q 87
S-8 15
CORRESP 22
SC TO-I/A 3
CT ORDER 1
3/A 4
SC 13D/A 1
SC 13D 1
425 79
SC 13G 38
8-K/A 7
ARS 3
10-K 26
4/A 79
5 6
15-12G 1
SC TO-I 1
11-K 27
SC 13G/A 117
DEFA14A 8
SD 11
25-NSE 1
10-K405 2
11-K/A 1
DEFM14A 1
4 1130
SCHEDULE 13G/A 1
DEF 14A 28
10-Q/A 6
3 34
10-K/A 3
S-3ASR 1
8-K12B 1
S-8 POS 13
PRE 14A 1
S-3 1
Financials Total:321
Form Type Act Filing Date Report Date Action
10-Q 34 11/12/2024 09/30/2024 |    |  
8-K 34 11/07/2024 11/06/2024 |    |  
10-Q 34 08/09/2024 06/30/2024 |    |  
8-K 34 08/06/2024 08/05/2024 |    |  
8-K 34 08/02/2024 07/31/2024 |    |  
8-K 34 06/10/2024 06/04/2024 |    |  
10-Q 34 05/10/2024 03/31/2024 |    |  
8-K 34 05/09/2024 05/08/2024 |    |  
8-K 34 05/07/2024 05/06/2024 |    |  
8-K 34 04/17/2024 04/11/2024 |    |  
Ipos Total:39
Form Type Act Filing Date Report Date Action
S-3 33 11/18/2024 11/21/2024
UPLOAD 10/31/2017 11/21/2024
CORRESP 10/18/2017 11/21/2024
CORRESP 09/18/2017 11/21/2024
UPLOAD 09/12/2017 11/21/2024
UPLOAD 09/26/2016 11/21/2024
CORRESP 09/22/2016 11/21/2024
UPLOAD 08/24/2016 11/21/2024
CORRESP 07/19/2016 11/21/2024
CORRESP 07/19/2016 11/21/2024
Form Type Act Filing Date Report Date Action
4 11/19/2024 11/16/2024
4 11/19/2024 11/16/2024
4 10/15/2024 10/13/2024
4 05/29/2024 05/24/2024
4 05/29/2024 05/24/2024
4 01/30/2024 01/26/2024
4 01/30/2024 01/26/2024
4 01/30/2024 01/26/2024
4 01/30/2024 01/26/2024
4 01/23/2024 01/20/2024
Form Type Act Filing Date Report Date Action
SC 13G 34 11/12/2024 11/21/2024
SC 13G 34 11/04/2024 11/21/2024
DEF 14A 34 03/27/2024 05/08/2024
SC 13G 34 03/25/2024 11/21/2024
SC 13G 34 02/12/2024 11/21/2024
DEF 14A 34 03/28/2023 11/21/2024
SC 13G 34 01/20/2023 11/21/2024
SC 13G 34 09/08/2022 11/21/2024
SC 13G 34 09/08/2022 11/21/2024
SC 13D 34 07/20/2022 11/21/2024
Form Type Act Filing Date Report Date Action
8-K 34 11/07/2024 11/06/2024 |    |  
8-K 34 08/06/2024 08/05/2024 |    |  
8-K 34 08/02/2024 07/31/2024 |    |  
8-K 34 06/10/2024 06/04/2024 |    |  
8-K 34 05/09/2024 05/08/2024 |    |  
8-K 34 05/07/2024 05/06/2024 |    |  
8-K 34 04/17/2024 04/11/2024 |    |  
8-K 34 03/15/2024 03/15/2024 |    |  
8-K 34 02/27/2024 02/26/2024 |    |  
8-K 34 02/20/2024 02/20/2024 |    |  
Form Type Act Filing Date Report Date Action
DEF 14A 34 03/27/2024 05/08/2024
DEF 14A 34 03/28/2023 11/21/2024
DEF 14A 34 03/29/2022 05/11/2022
DEF 14A 34 03/30/2021 05/12/2021
DEF 14A 34 04/02/2020 05/13/2020
DEF 14A 34 04/03/2019 05/08/2019
DEF 14A 34 04/04/2018 05/09/2018
DEF 14A 34 04/03/2017 05/10/2017
DEF 14A 34 04/04/2016 05/11/2016
DEF 14A 34 04/03/2015 05/13/2015