Form 10-K/A - Annual report [Section 13 and 15(d), not S-K Item 405]: [Amend]
SEC Accession No. 0000950170-25-075366
Filing Date
2025-05-20
Accepted
2025-05-20 17:19:54
Documents
162
Period of Report
2024-12-31

Document Format Files

Seq Description Document Type Size
1 10-K/A adtn-20241231.htm   iXBRL 10-K/A 10761024
2 EX-10.1(Z) adtn-ex10_1z.htm EX-10.1(Z) 22722
3 EX-23 adtn-ex23.htm EX-23 4407
4 EX-31 adtn-ex31.htm EX-31 30830
5 EX-32 adtn-ex32.htm EX-32 17019
6 GRAPHIC img229452591_0.jpg GRAPHIC 209306
7 GRAPHIC img229452591_1.jpg GRAPHIC 494445
  Complete submission text file 0000950170-25-075366.txt   55569491

Data Files

Seq Description Document Type Size
8 XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT adtn-20241231.xsd EX-101.SCH 3275187
165 EXTRACTED XBRL INSTANCE DOCUMENT adtn-20241231_htm.xml XML 17294621
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/A | Act: 34 | File No.: 001-41446 | Film No.: 25970033
SIC: 3661 Telephone & Telegraph Apparatus
(CF Office: 04 Manufacturing)