Adtran Holdings, INC. (ADTN) SEC Filings — 2025
20 SEC filings for Adtran Holdings, INC. (ADTN) in 2025.
Filings
- Adtran Holdings, INC. 8-K Filing — 8-K · Dec 11, 2025
- ADTRAN Narrows Losses by 69% on Strong Revenue Growth — 10-Q · Nov 4, 2025
- ADTRAN Holdings Reports Material Agreement and Equity Sales — 8-K · Sep 22, 2025
- ADTRAN Holdings Files 8-K: Material Agreement & Financials — 8-K · Sep 17, 2025
- ADTRAN's Q2 Revenue Plunges 35% Amid Weak Demand, Net Loss Widens — 10-Q · Aug 5, 2025
- ADTRAN Holdings Files 8-K with Key Corporate Updates — 8-K · Jul 30, 2025
- ADTRAN Holdings Amends 8-K Filing — 8-K/A · Jul 17, 2025
- ADTRAN Holdings Files 8-K on Financials — 8-K · Jul 16, 2025
- ADTRAN Holdings Files Proxy Statement Amendment — DEFA14A · Jun 6, 2025
- ADTRAN Holdings Files 8-K on Financials — 8-K · May 28, 2025
- ADTRAN Holdings Files 8-K — 8-K · May 27, 2025
- ADTRAN Holdings Files 2024 Annual Report Amendment — 10-K/A · May 20, 2025
- ADTRAN Restates Financials Due to Internal Control Review — 8-K · May 13, 2025
- ADTRAN Holdings Reports Material Agreement — 8-K · May 12, 2025
- ADTRAN Holdings Files 8-K on Financials — 8-K · May 8, 2025
- ADTRAN Holdings Files 8-K — 8-K · Apr 16, 2025
- ADTRAN Holdings Inc. Executive Compensation Filing — DEF 14A · Mar 31, 2025
- ADTRAN Holdings Files 8-K on Executive Changes and Filings — 8-K · Mar 7, 2025
- ADTRAN Holdings Files 2024 10-K — 10-K · Mar 3, 2025
- ADTRAN Holdings Files 8-K on Financials — 8-K · Feb 27, 2025