10-KThe Record
ADTRAN Holdings, Inc. files 10-K
Filed Feb 26, 2026 · 4mo ago · Accession 0001193125-26-073878
Plain English
Annual report — full-year financials, business overview, and risk factors.
Read the source below for the full document.
Filing details
- Company
- ADTRAN Holdings, Inc.
- Ticker
- ADTN
- CIK
- 926282
- Form type
- 10-K
- Filing date
- Feb 26, 2026
- Report date
- Dec 31, 2025
- Document
- adtn-20251231.htm
- Size
- 27.2 MB