secwatch.observer — SEC 8-K summary ====================================== Issuer: ADTRAN Holdings, Inc. (ADTN) CIK: 0000926282 Form: 8-K Filed at: 2025-05-27T23:59:59+00:00 Accession: 0001193125-25-127878 Event type: other_material Sentiment: neutral Materiality: 0.30 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 ADTRAN Holdings reschedules 2025 annual meeting to July 24; prior proxies disregarded -------------------------------------------------------------------------------- - Annual meeting now July 24, 2025; new record date is May 29, 2025. - All previously submitted proxies will be disregarded; stockholders must revote. - Revised definitive proxy statement to be filed with SEC and delivered to stockholders. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/926282/000119312525127878/0001193125-25-127878-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/926282/000119312525127878/d12892d8k.htm HTML page: https://secwatch.observer/filing/0001193125-25-127878 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer