---
schema_version: "secwatch.filing_event.v1"
accession: "0000920148-25-000123"
form_type: "8-K"
ticker: "LH"
cik: "0000920148"
company_name: "LABCORP HOLDINGS INC."
filed_at: "2025-12-15T23:59:59+00:00"
generated_at: "2026-05-16T13:19:15.723589+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Labcorp EVP, President of Diagnostics Labs & COO Mark Schroeder to retire April 1, 2026

## Summary
- Mark Schroeder notified Labcorp of retirement effective April 1, 2026.
- Schroeder serves as EVP, President of Diagnostics Laboratories and COO.
- No successor has been announced; search process not disclosed.

## SEC filing metadata
- accession: 0000920148-25-000123
- form_type: 8-K
- ticker: LH
- cik: 0000920148
- company_name: LABCORP HOLDINGS INC.
- filed_at: 2025-12-15T23:59:59+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/920148/000092014825000123/0000920148-25-000123-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/920148/000092014825000123/lh-20251209.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000920148-25-000123
- JSON: https://secwatch.observer/filing/0000920148-25-000123.json
- Plain text: https://secwatch.observer/filing/0000920148-25-000123.txt

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