Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000950170-25-009870
Filing Date
2025-01-28
Accepted
2025-01-28 16:40:41
Documents
1
Period of Report
2025-01-24

Document Format Files

Seq Description Document Type Size
1 4 ownership.html 4  
1 4 ownership.xml 4 8010
  Complete submission text file 0000950170-25-009870.txt   9442
Mailing Address 901 EXPLORER BLVD HUNTSVILLE AL 35806
Business Address 901 EXPLORER BLVD HUNTSVILLE AL 35806 256-963-8220
ADTRAN Holdings, Inc. (Issuer) CIK: 0000926282 (see all company filings)

EIN.: 872164282 | Fiscal Year End: 1231
SIC: 3661 Telephone & Telegraph Apparatus
(CF Office: 04 Manufacturing)

Mailing Address 901 EXPLORER BOULEVARD HUNTSVILLE AL 35806
Business Address
Dopfer Ulrich (Reporting) CIK: 0001974355 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-41446 | Film No.: 25564811