Lab (LH)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-09-01 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: LABCORP HOLDINGS INC. (LH) CIK: 0000920148 --- Reporting Owner --- Name: Vaughn Bryan T CIK: 0002103999 Role: Officer (EVP and President, Diagnostics) --- Derivative Transactions --- [Transaction #1] Security: Restricted Stock Unit Date: 2026-09-01 | Code: A (Grant or award) Shares: +1,500 | Price: $0.00 Shares Owned After: 5,204 | Ownership: D (Direct) Footnotes: [F1] Each Restricted Stock Unit represents the contingent right to receive one share of Labcorp Holdings Inc. Common Stock. [F2] The Restricted Stock Units vest in three equal annual installments beginning on September 1, 2027. [F2] The Restricted Stock Units vest in three equal annual installments beginning on September 1, 2027. [F3] This number reflects the aggregate number of Restricted Stock Units held by the reporting person. --- Footnotes (Complete Index) --- F1: Each Restricted Stock Unit represents the contingent right to receive one share of Labcorp Holdings Inc. Common Stock. F2: The Restricted Stock Units vest in three equal annual installments beginning on September 1, 2027. F3: This number reflects the aggregate number of Restricted Stock Units held by the reporting person. --- Signature --- /s/ /s/ Kathryn W. Kyle, Attorney-in-Fact for Bryan T. Vaughn (2026-09-03)