Adtran Holdings, INC. (ADTN) — DEFA14A Filings
All DEFA14A filings from Adtran Holdings, INC.. Browse 3 DEFA14A reports with AI-powered summaries and risk analysis.
DEFA14A Filings (3)
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ADTRAN Holdings DEFA14A Proxy Filing
— Mar 27, 2026 Risk: low
ADTRAN Holdings, Inc. filed a Definitive Proxy Statement (DEFA14A) on March 27, 2026. This filing relates to the solicitation of proxies for the company's upcom -
ADTRAN Holdings Files Proxy Statement Amendment
— Jun 6, 2025 Risk: low
ADTRAN Holdings, Inc. filed an amendment (Amendment No. 1) to its definitive proxy statement on June 6, 2025. This filing relates to the solicitation of proxies -
ADTRAN Holdings Files Proxy Supplement
— Apr 4, 2024 Risk: low
ADTRAN Holdings, Inc. filed a Definitive Additional Materials proxy statement on April 4, 2024. This filing supplements their previous proxy materials, indicati
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