ADTRAN Holdings, Inc. — 4 Filings
1,166 4 filings on record
This page lists all 4 filings submitted to the SEC by ADTRAN Holdings, Inc. (ADTN), sorted by most recent first. Each row links to the full filing on EdgarLookup. ADTRAN Holdings, Inc. has filed 1,166 4 documents with the SEC since 2017. To view all SEC filings by ADTRAN Holdings, Inc., see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
11-K
11-K/A
144
15-12G
25-NSE
3
3/A
4
4/A
425
5
8-K
8-K/A
8-K12B
ARS
ARS/A
CORRESP
CT ORDER
DEF 14A
DEFA14A
DEFM14A
DEFR14A
EFFECT
NT 10-K
NT 10-Q
PRE 14A
S-3
S-3ASR
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-I
SC TO-I/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4 | PRIMARY DOCUMENT | 0000926282-20-000044 | Dec 3, 2020 | Dec 1, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000043 | Dec 3, 2020 | Dec 1, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000045 | Dec 3, 2020 | Dec 1, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000042 | Dec 3, 2020 | Dec 1, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000048 | Dec 3, 2020 | Dec 1, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000046 | Dec 3, 2020 | Nov 11, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000041 | Dec 3, 2020 | Dec 1, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000040 | Dec 3, 2020 | Dec 1, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000039 | Nov 18, 2020 | Nov 16, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000038 | Nov 18, 2020 | Nov 16, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000037 | Nov 18, 2020 | Nov 16, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000034 | Nov 18, 2020 | Nov 16, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000033 | Nov 18, 2020 | Nov 16, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000035 | Nov 18, 2020 | Nov 16, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000036 | Nov 18, 2020 | Nov 16, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000032 | Nov 17, 2020 | — |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000028 | Nov 16, 2020 | Nov 12, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000027 | Nov 16, 2020 | Nov 12, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000026 | Nov 16, 2020 | Nov 12, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000030 | Nov 16, 2020 | Nov 12, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000031 | Nov 16, 2020 | Nov 12, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000029 | Nov 16, 2020 | Nov 15, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000021 | Nov 12, 2020 | Nov 9, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000022 | Nov 12, 2020 | Nov 9, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000025 | Nov 12, 2020 | Nov 9, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000024 | Nov 12, 2020 | Nov 9, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000023 | Nov 12, 2020 | Nov 9, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000020 | Sep 16, 2020 | Jun 9, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000019 | Sep 16, 2020 | Mar 10, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000018 | Sep 10, 2020 | Sep 9, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000015 | Sep 8, 2020 | Sep 3, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000014 | Sep 8, 2020 | Sep 3, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000017 | Sep 8, 2020 | Jun 9, 2020 |
| 4 | PRIMARY DOCUMENT | 0001300513-20-000002 | Sep 8, 2020 | Jun 4, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000016 | Sep 8, 2020 | Sep 3, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000013 | Sep 8, 2020 | Sep 3, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000012 | Sep 8, 2020 | Sep 3, 2020 |
| 4 | PRIMARY DOCUMENT | 0001300513-20-000001 | Sep 4, 2020 | Sep 3, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000011 | Sep 4, 2020 | Sep 3, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000002 | Jun 5, 2020 | Jun 4, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000010 | Jun 5, 2020 | Jun 4, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000006 | Jun 5, 2020 | Jun 4, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000009 | Jun 5, 2020 | Jun 4, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000008 | Jun 5, 2020 | Jun 4, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000004 | Jun 5, 2020 | Jun 4, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000007 | Jun 5, 2020 | Jun 4, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000005 | Jun 5, 2020 | Jun 4, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000003 | Jun 5, 2020 | Jun 4, 2020 |
| 4 | PRIMARY DOCUMENT | 0000926282-20-000001 | May 14, 2020 | Mar 10, 2020 |
| 4 | PRIMARY DOCUMENT | 0001773229-20-000023 | Mar 17, 2020 | Aug 16, 2016 |