---
schema_version: "secwatch.filing_event.v1"
accession: "0000070318-25-000023"
form_type: "8-K"
ticker: "THC"
cik: "0000070318"
company_name: "TENET HEALTHCARE CORP"
filed_at: "2025-06-05T23:59:59+00:00"
generated_at: "2026-05-19T23:12:04.794138+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Tenet Healthcare promotes Lisa Y. Foo to Chief Operating Officer (newly created role)

## Summary
- Lisa Y. Foo named COO effective May 30, 2025; position is newly created.
- Biographical details incorporated by reference from proxy statement filed April 11, 2025.
- Foo's promotion signals potential structural realignment of operations.

## SEC filing metadata
- accession: 0000070318-25-000023
- form_type: 8-K
- ticker: THC
- cik: 0000070318
- company_name: TENET HEALTHCARE CORP
- filed_at: 2025-06-05T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/70318/000007031825000023/0000070318-25-000023-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/70318/000007031825000023/thc-20250530.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000070318-25-000023
- JSON: https://secwatch.observer/filing/0000070318-25-000023.json
- Plain text: https://secwatch.observer/filing/0000070318-25-000023.txt

## Key facts
- Executive change
  Lisa Y. Foo changed role as Chief Operating Officer at TENET HEALTHCARE CORP.
  - Action: promoted
  - Role: Chief Operating Officer
  source text: On May 30, 2025 , Lisa Y. Foo was promoted to Chief Operating Officer of Tenet Healthcare Corporation (the “Company”), a newly created position within the Company, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/70318/000007031825000023/0000070318-25-000023-index.htm

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