Form 8-K - Current report:
SEC Accession No. 0001193125-25-127878
Filing Date
2025-05-27
Accepted
2025-05-27 17:26:03
Documents
14
Period of Report
2025-05-27
Items
Item 8.01: Other Events
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K d12892d8k.htm   iXBRL 8-K 30487
2 EX-99.1 d12892dex991.htm EX-99.1 8856
6 GRAPHIC g12892g0523233258444.jpg GRAPHIC 2864
  Complete submission text file 0001193125-25-127878.txt   158937

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA adtn-20250527.xsd EX-101.SCH 2847
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE adtn-20250527_lab.xml EX-101.LAB 17235
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE adtn-20250527_pre.xml EX-101.PRE 10810
16 EXTRACTED XBRL INSTANCE DOCUMENT d12892d8k_htm.xml XML 3497
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: 8-K | Act: 34 | File No.: 001-41446 | Film No.: 25990021
SIC: 3661 Telephone & Telegraph Apparatus
(CF Office: 04 Manufacturing)