Centene (CNC)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-26 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: CENTENE CORP (CNC) CIK: 0001071739 --- Reporting Owner --- Name: KOSTER CHRISTOPHER CIK: 0001802501 Role: Officer (Secretary & General Counsel) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-08-26 | Code: S (Open market sale) Shares: -56,500 | Price: $66.90 Total Value: $3,779,850.00 Shares Owned After: 248,853.991 | Ownership: D (Direct) Footnotes: [F1] The weighted average price for this transaction is reported within the form. Shares were sold at prices ranging from $66.90 to $66.91. Full information regarding the number of shares at each price is available upon request. [F2] Ownership includes 229,874 shares of previously-granted restricted stock units and performance stock units (reported at target level performance) subject to vesting requirements. --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) --- Footnotes (Complete Index) --- F1: The weighted average price for this transaction is reported within the form. Shares were sold at prices ranging from $66.90 to $66.91. Full information regarding the number of shares at each price is available upon request. F2: Ownership includes 229,874 shares of previously-granted restricted stock units and performance stock units (reported at target level performance) subject to vesting requirements. --- Signature --- /s/ /s/ Christopher A. Koster (2026-08-27)