{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-26-004270","form_type":"8-K","ticker":"NHC","cik":"0001047335","company_name":"NATIONAL HEALTHCARE CORP","filed_at":"2026-02-17T23:59:59+00:00","discovered_at":"2026-05-14T18:02:34.459672+00:00","generated_at":"2026-05-16T02:18:26.263489+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"NHC expands board to 9, appoints Dr. David Gifford and Andrew Adams","bullets":["Board size increased from 7 to 9; both new directors effective February 12, 2026.","Dr. David Gifford: geriatrician, former AHCA/NCAL Chief Medical Officer, appointed to Nominating and Corporate Governance Committee.","Andrew Adams: former AdamsPlace administrator, president of multi-location financial services firm, appointed to Compensation Committee.","Both directors deemed independent under NYSE American rules; Gifford Class 2, Adams Class 1."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-26-004270","json":"https://secwatch.observer/filing/0001437749-26-004270.json","markdown":"https://secwatch.observer/filing/0001437749-26-004270.md","text":"https://secwatch.observer/filing/0001437749-26-004270.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1047335/000143774926004270/0001437749-26-004270-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1047335/000143774926004270/nhc20260216_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T02:18:26.263489+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"}