{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-123153","form_type":"8-K","ticker":"SEM","cik":"0001320414","company_name":"SELECT MEDICAL HOLDINGS CORP","filed_at":"2025-12-19T23:59:59+00:00","discovered_at":"2026-05-14T18:02:39.082053+00:00","generated_at":"2026-05-16T12:31:54.377194+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Select Medical enters new CEO employment agreement with Thomas Mullin effective Jan 1, 2026","bullets":["1-year initial term, auto-renewing; base salary $700,000/year.","Termination without cause: 12 months base salary continuation.","Non-compete and non-solicitation covenants apply for 2 years post-termination.","Change of control terms governed by prior February 2021 letter."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-123153","json":"https://secwatch.observer/filing/0001104659-25-123153.json","markdown":"https://secwatch.observer/filing/0001104659-25-123153.md","text":"https://secwatch.observer/filing/0001104659-25-123153.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1320414/000110465925123153/0001104659-25-123153-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1320414/000110465925123153/tm2533937d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T12:31:54.377194+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"}