# Filing Detail

Form ARS - Annual Report to Security Holders:
SEC Accession No. 0001193125-26-127649
Filing Date
2026-03-27
Accepted
2026-03-27 08:20:19
Documents
1
Period of Report
2025-12-31
Effectiveness Date
2026-03-27

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | ARS | adtn-2025_annual_report_.pdf | ARS | 4449470
| Complete submission text file | 0001193125-26-127649.txt |  | 6125598

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: ARS | Act: 34 | File No.: 001-41446 | Film No.: 26801203
SIC: 3661 Telephone & Telegraph Apparatus
(CF Office: 04 Manufacturing)