---
schema_version: "secwatch.filing_event.v1"
accession: "0000920148-24-000063"
form_type: "8-K12B"
ticker: "LH"
cik: "0000920148"
company_name: "LABCORP HOLDINGS INC."
filed_at: "2024-05-17T23:59:59+00:00"
generated_at: "2026-06-01T18:13:34.818012+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Labcorp completes holding company reorganization; Labcorp Holdings becomes new public parent

## Summary
- Labcorp Holdings Inc. becomes successor issuer; shares convert 1:1 from Labcorp common stock.
- LH ticker continues on NYSE uninterrupted; new CUSIP 504922105.
- Directors, executive officers, and business operations unchanged; no change in control.
- Labcorp Holdings guarantees Labcorp's senior notes and credit agreement via supplemental indenture and guarantor joinder.
- Labcorp's authorized shares reduced to 1,000 common and 250 preferred; Labcorp Holdings authorized shares at 265M common and 30M preferred.

## SEC filing metadata
- accession: 0000920148-24-000063
- form_type: 8-K12B
- ticker: LH
- cik: 0000920148
- company_name: LABCORP HOLDINGS INC.
- filed_at: 2024-05-17T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 2.03, 3.01, 3.03, 5.01, 5.02, 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/920148/000092014824000063/0000920148-24-000063-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/920148/000092014824000063/lh-20240517.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000920148-24-000063
- JSON: https://secwatch.observer/filing/0000920148-24-000063.json
- Plain text: https://secwatch.observer/filing/0000920148-24-000063.txt

## Key facts
- M&A Transactions
  LABCORP HOLDINGS INC. underwent a change of control involving Laboratory Corporation of America Holdings (closed 2024-05-17).
  - Action: change of control
  - Counterparty: Laboratory Corporation of America Holdings
  - Closing: 2024-05-17
  source text: On May 17, 2024, Labcorp implemented the Reorganization pursuant to an Agreement and Plan of Merger (the “Merger Agreement”) dated as of May 17, 2024, among Labcorp, Labcorp Holdings Inc., a Delaware corporation (“Labcorp Holdings”) and Radiance Merger Sub Inc., a Delaware corporation and direct, wholly owned subsidiary of Labcorp Holdings (“Merger Sub”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/920148/000092014824000063/0000920148-24-000063-index.htm
- Material Agreements
  LABCORP HOLDINGS INC. entered into Seventeenth Supplemental Indenture with U.S. Bank Trust Company, National Association (effective 2024-05-17).
  - Action: entry
  - Agreement: notes offering
  - Counterparty: U.S. Bank Trust Company, National Association
  - Effective: 2024-05-17
  source text: on May 17, 2024, Labcorp, Labcorp Holdings and U.S. Bank Trust Company, National Association (the “Trustee”) entered into a seventeenth supplemental indenture (the “Seventeenth Supplemental Indenture") to the indenture, dated as of November 19, 2010 between Labcorp and the Trustee
  evidence_url: https://www.sec.gov/Archives/edgar/data/920148/000092014824000063/0000920148-24-000063-index.htm
- Material Agreements
  LABCORP HOLDINGS INC. entered into Guarantor Joinder Agreement with Bank of America, N.A. (effective 2024-05-17).
  - Action: entry
  - Agreement: credit facility
  - Counterparty: Bank of America, N.A.
  - Effective: 2024-05-17
  source text: On May 17, 2024, Labcorp Holdings entered into the Guarantor Joinder Agreement (the “Guarantor Joinder Agreement"), pursuant to which, among other things, Labcorp Holdings provided a full and unconditional guarantee of Labcorp’s obligations under the Third Amended and Restated Credit Agreement
  evidence_url: https://www.sec.gov/Archives/edgar/data/920148/000092014824000063/0000920148-24-000063-index.htm
- Material Agreements
  LABCORP HOLDINGS INC. entered into Merger Agreement with Merger Sub (effective 2024-05-17).
  - Action: entry
  - Agreement: merger
  - Counterparty: Merger Sub
  - Effective: 2024-05-17
  source text: On May 17, 2024, Labcorp completed the Reorganization by implementing the Merger pursuant to the terms of the Merger Agreement.
  evidence_url: https://www.sec.gov/Archives/edgar/data/920148/000092014824000063/0000920148-24-000063-index.htm

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