# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000950170-25-075374
Filing Date
2025-05-20
Accepted
2025-05-20 17:22:18
Documents
104
Period of Report
2025-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | adtn-20250331.htm iXBRL | 10-Q | 3704926
2 | EX-10.3 | adtn-ex10_3.htm | EX-10.3 | 1364
3 | EX-31 | adtn-ex31.htm | EX-31 | 26777
4 | EX-32 | adtn-ex32.htm | EX-32 | 15076
| Complete submission text file | 0000950170-25-075374.txt |  | 20168778

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
5 | XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT | adtn-20250331.xsd | EX-101.SCH | 2119180
107 | EXTRACTED XBRL INSTANCE DOCUMENT | adtn-20250331_htm.xml | XML | 5440173

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-Q | Act: 34 | File No.: 001-41446 | Film No.: 25970059
SIC: 3661 Telephone & Telegraph Apparatus
(CF Office: 04 Manufacturing)