8-KThe WireRed Alert
Executive Change
Filed Apr 7, 2026 · 2mo ago · Accession 0001193125-26-145496
Plain English
Material event — a significant development the company must disclose promptly.
Read the source below for the full document.
Filing details
- Company
- ADTRAN Holdings, Inc.
- Ticker
- ADTN
- CIK
- 926282
- Form type
- 8-K
- Filing date
- Apr 7, 2026
- Report date
- Apr 1, 2026
- Document
- adtn-20260401.htm
- Size
- 346 KB