# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000950170-24-032089
Filing Date
2024-03-15
Accepted
2024-03-15 14:36:30
Documents
166
Period of Report
2023-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | adtn-20231231.htm iXBRL | 10-K | 5547023
2 | EX-10.5 | adtn-ex10_5.htm | EX-10.5 | 125387
3 | EX-21 | adtn-ex21.htm | EX-21 | 45061
4 | EX-23 | adtn-ex23.htm | EX-23 | 4263
5 | EX-24 | adtn-ex24.htm | EX-24 | 15188
6 | EX-31 | adtn-ex31.htm | EX-31 | 26162
7 | EX-32 | adtn-ex32.htm | EX-32 | 13524
8 | GRAPHIC | img228529070_0.jpg | GRAPHIC | 209306
9 | GRAPHIC | img228529070_1.jpg | GRAPHIC | 259581
| Complete submission text file | 0000950170-24-032089.txt |  | 27807250

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
10 | XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT | adtn-20231231.xsd | EX-101.SCH | 3502297
168 | EXTRACTED XBRL INSTANCE DOCUMENT | adtn-20231231_htm.xml | XML | 5850357

Mailing Address 901 EXPLORER BLVD HUNTSVILLE AL 35806
Business Address 901 EXPLORER BLVD HUNTSVILLE AL 35806 256-963-8220
ADTRAN Holdings, Inc. (Filer) CIK: 0000926282 (see all company filings)

EIN.: 872164282 | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-41446 | Film No.: 24754055
SIC: 3661 Telephone & Telegraph Apparatus
(CF Office: 04 Manufacturing)