8-KThe WireRoutine
Bylaw Amendment · Shareholder Vote
Filed May 18, 2026 · 1mo ago · Accession 0001193125-26-228208
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
- May 18, 2026
- Report date
- May 13, 2026
- Document
- adtn-20260513.htm
- Size
- 246 KB