---
schema_version: "secwatch.filing_event.v1"
accession: "0000920148-23-000035"
form_type: "8-K/A"
ticker: "LH"
cik: "0000920148"
company_name: "LABCORP HOLDINGS INC."
filed_at: "2023-05-05T23:59:59+00:00"
generated_at: "2026-06-15T19:03:36.650597+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Labcorp appoints Mark Schroeder EVP, President Diagnostics & COO; awards equity valued at $500k

## Summary
- Mark Schroeder appointed EVP, President Diagnostics & Chief Operations Officer effective May 1, 2023.
- Base salary increased to $650,000.
- Received RSU and option awards each valued at $100,000, and a performance share award valued at $300,000.

## SEC filing metadata
- accession: 0000920148-23-000035
- form_type: 8-K/A
- ticker: LH
- cik: 0000920148
- company_name: LABCORP HOLDINGS INC.
- filed_at: 2023-05-05T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/920148/000092014823000035/0000920148-23-000035-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/920148/000092014823000035/lh-20230501.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000920148-23-000035
- JSON: https://secwatch.observer/filing/0000920148-23-000035.json
- Plain text: https://secwatch.observer/filing/0000920148-23-000035.txt

## Key facts
- Executive change
  Mark S. Schroeder was appointed as Executive Vice President, President Diagnostics & Chief Operations Officer at LABCORP HOLDINGS INC..
  - Action: appointed
  - Role: Executive Vice President, President Diagnostics & Chief Operations Officer
  source text: on May 4, 2023, Labcorp announced that Mark S. Schroeder, the current Executive Vice President, and President, Diagnostics Laboratory Operations and Global Supply Chain of Labcorp, a named executive officer, has been appointed to the position of Executive Vice President, President Diagnostics & Chief Operations Officer, effective May 1, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/920148/000092014823000035/0000920148-23-000035-index.htm

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