{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-25-100222","form_type":"8-K","ticker":"ADTN","cik":"0000926282","company_name":"ADTRAN Holdings, Inc.","filed_at":"2025-07-30T23:59:59+00:00","discovered_at":"2026-05-14T18:02:46.723403+00:00","generated_at":"2026-05-17T23:27:38.707029+00:00","sec_items":["5.07","8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"ADTRAN shareholders elect directors, approve exec pay, ratify auditor; 2026 annual meeting set for May 13","bullets":["All seven director nominees elected; Balan Nair received most opposition (41.6M for, 13.4M against).","Advisory vote on named executive officer compensation passed: 52.2M for, 2.7M against.","Ratification of PwC as independent auditor for FY2025 approved: 61.1M for, 2.5M against.","Board set 2026 Annual Meeting for May 13, 2026; virtual meeting format confirmed.","Shareholder proposal deadline for proxy inclusion: Dec 1, 2025; director nomination deadline: Feb 12, 2026."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-25-100222","json":"https://secwatch.observer/filing/0000950170-25-100222.json","markdown":"https://secwatch.observer/filing/0000950170-25-100222.md","text":"https://secwatch.observer/filing/0000950170-25-100222.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/926282/000095017025100222/0000950170-25-100222-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/926282/000095017025100222/adtn-20250724.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T23:27:38.707029+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}