{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-25-029946","form_type":"8-K","ticker":"NHC","cik":"0001047335","company_name":"NATIONAL HEALTHCARE CORP","filed_at":"2025-09-26T23:59:59+00:00","discovered_at":"2026-05-14T18:02:43.195519+00:00","generated_at":"2026-05-17T05:31:20.627634+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":"President and COO Ussery to retire after 45-year career effective Dec 31, 2025","bullets":["R. Michael Ussery retiring as President and COO effective December 31, 2025.","Ussery joined NHC in 1980; served as COO since 2009 and President since 2017.","Retirement is amicable with no disagreement with the company.","No successor named; CEO Steve Flatt thanked Ussery for his contributions."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-25-029946","json":"https://secwatch.observer/filing/0001437749-25-029946.json","markdown":"https://secwatch.observer/filing/0001437749-25-029946.md","text":"https://secwatch.observer/filing/0001437749-25-029946.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1047335/000143774925029946/0001437749-25-029946-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1047335/000143774925029946/nhc20250926_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T05:31:20.627634+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"}