---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-086392"
form_type: "8-K"
ticker: "SEM"
cik: "0001320414"
company_name: "SELECT MEDICAL HOLDINGS CORP"
filed_at: "2025-09-02T23:59:59+00:00"
generated_at: "2026-05-17T08:44:56.491692+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Select Medical names Thomas P. Mullin CEO; David Chernow becomes Vice Chairman

## Summary
- Mullin, 41, promoted from Co-President, effective Sept 1, 2025; Chernow (CEO since 2014) becomes Vice Chairman.
- John A. Saich becomes sole President (was Co-President); retains oversight of outpatient rehab and shared services.
- John F. Duggan appointed EVP, General Counsel and Secretary; Michael Tarvin transitions to senior EVP of legal services.
- Mullin joined Select Medical in 2008, most recently oversaw 140 critical illness recovery and inpatient rehab hospitals.
- All changes effective immediately; company cites internal succession planning with long-tenured leaders.

## SEC filing metadata
- accession: 0001104659-25-086392
- form_type: 8-K
- ticker: SEM
- cik: 0001320414
- company_name: SELECT MEDICAL HOLDINGS CORP
- filed_at: 2025-09-02T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1320414/000110465925086392/0001104659-25-086392-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1320414/000110465925086392/tm2524778d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-086392
- JSON: https://secwatch.observer/filing/0001104659-25-086392.json
- Plain text: https://secwatch.observer/filing/0001104659-25-086392.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.