# ADTRAN Holdings, Inc.: Form DEF 14A, filed Mar 31, 2025

- Company: [ADTRAN Holdings, Inc.](/companies/adtn.md) (CIK 926282)
- Form: DEF 14A
- Filed: 2025-03-31
- Accepted by EDGAR: Mar 31, 2025, 16:12 ET
- Period: 2025-03-31
- Accession: 0000950170-25-047713
- Inline XBRL: yes
- Main document: https://www.sec.gov/Archives/edgar/data/926282/000095017025047713/adtn-20250328.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/926282/000095017025047713/

## Sections

Sections are extracted only from 10-K and 10-Q reports. Read this filing’s documents on sec.gov. https://www.sec.gov/Archives/edgar/data/926282/000095017025047713/adtn-20250328.htm

Filed Mar 31, 2025.
Source: SEC EDGAR, the filing index for accession 0000950170-25-047713. Last ingested by Listed: Oct 30, 2026, 11:03 ET. No prices; not investment advice.