{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-23-098970","form_type":"8-K","ticker":"SEM","cik":"0001320414","company_name":"SELECT MEDICAL HOLDINGS CORP","filed_at":"2023-09-07T23:59:59+00:00","discovered_at":"2026-05-14T18:03:33.557555+00:00","generated_at":"2026-06-10T22:37:00.275151+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Select Medical names Saich, Mullin Co-Presidents; Malatesta CFO effective Oct 1","bullets":["John Saich and Thomas Mullin become Co-Presidents; David Chernow remains CEO. Effective Oct 1, 2023.","Michael Malatesta appointed CFO; Martin Jackson elevates to SEVP Strategic Finance & Operations.","Saich (26-year veteran) oversaw Outpatient Rehab; Mullin led Critical Illness Recovery Hospital Operations.","Other promotions: Tarvin to SEVP General Counsel, Hollenbach to EVP Strategy & Growth, among 12 total."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-23-098970","json":"https://secwatch.observer/filing/0001104659-23-098970.json","markdown":"https://secwatch.observer/filing/0001104659-23-098970.md","text":"https://secwatch.observer/filing/0001104659-23-098970.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1320414/000110465923098970/0001104659-23-098970-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1320414/000110465923098970/tm2325650d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-10T22:37:00.275151+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":[{"claim_id":"479be5e0b9","claim":"David Chernow changed role as President at SELECT MEDICAL HOLDINGS CORP.","evidence_excerpt":"David Chernow will no longer serve as President of Select as of October 1, 2023, but will continue to serve as Chief Executive Officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1320414/000110465923098970/0001104659-23-098970-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"no longer serve as President"},{"label":"Role","value":"President"}],"fact_type":"executive_change"},{"claim_id":"5d89e27121","claim":"John A. Saich was appointed as Co-President at SELECT MEDICAL HOLDINGS CORP.","evidence_excerpt":"Select Medical Holdings Corporation, a Delaware corporation (“Select”), announced the appointments of John A. Saich, 55, and Thomas P. Mullin, 39, as Co-Presidents, effective October 1, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1320414/000110465923098970/0001104659-23-098970-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Co-President"}],"fact_type":"executive_change"},{"claim_id":"7fbe81f3b5","claim":"Martin F. Jackson changed role as Chief Financial Officer at SELECT MEDICAL HOLDINGS CORP.","evidence_excerpt":"Martin F. Jackson will no longer serve as Chief Financial Officer of Select as of October 1, 2023, but will continue to serve as Senior Executive Vice President of Strategic Finance and Operations.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1320414/000110465923098970/0001104659-23-098970-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"no longer serve as Chief Financial Officer"},{"label":"Role","value":"Chief Financial Officer"}],"fact_type":"executive_change"},{"claim_id":"dfbe4ee94f","claim":"Michael F. Malatesta was appointed as Chief Financial Officer at SELECT MEDICAL HOLDINGS CORP.","evidence_excerpt":"Select also announced the appointment of Michael F. Malatesta, 54, as the Chief Financial Officer of Select, effective October 1, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1320414/000110465923098970/0001104659-23-098970-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Financial Officer"}],"fact_type":"executive_change"},{"claim_id":"e06dc68a6d","claim":"Thomas P. Mullin was appointed as Co-President at SELECT MEDICAL HOLDINGS CORP.","evidence_excerpt":"Select Medical Holdings Corporation, a Delaware corporation (“Select”), announced the appointments of John A. Saich, 55, and Thomas P. Mullin, 39, as Co-Presidents, effective October 1, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1320414/000110465923098970/0001104659-23-098970-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Co-President"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}