{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-25-034451","form_type":"8-K","ticker":"NHC","cik":"0001047335","company_name":"NATIONAL HEALTHCARE CORP","filed_at":"2025-11-12T23:59:59+00:00","discovered_at":"2026-05-14T18:02:38.651911+00:00","generated_at":"2026-05-16T20:51:38.382992+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"NHC appoints Dr. Lisa Piercey to board; CEO Flatt to add President role upon Ussery retirement","bullets":["Dr. Lisa Piercey appointed to NHC Board effective Nov 6, 2025, as Class 1 director; will serve on Audit Committee.","She is former Tennessee Health Commissioner and founder/CEO of Tristela Capital Partners.","CEO Stephen F. Flatt will also serve as President effective Dec 31, 2025, after President/COO R. Michael Ussery retires.","SVP Operations Timothy J. Shelly will become principal operating officer upon Ussery's retirement; his title remains SVP Operations."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-25-034451","json":"https://secwatch.observer/filing/0001437749-25-034451.json","markdown":"https://secwatch.observer/filing/0001437749-25-034451.md","text":"https://secwatch.observer/filing/0001437749-25-034451.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1047335/000143774925034451/0001437749-25-034451-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1047335/000143774925034451/nhc20251112_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T20:51:38.382992+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"}