Centene (CNC)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-18 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: 2026-08-18 | Code: S (Open market sale) Shares: -47,603 | Price: $65.36 Total Value: $3,111,332.08 Shares Owned After: 305,353.991 | Ownership: D (Direct) Footnotes: [F1] The weighted average price for this transaction is reported within the form. Shares were sold at prices ranging from $65.28 to $65.45. Full information regarding the number of shares at each price is available upon request. [F2] Updated ownership includes common stock acquired through the Company's Employee Stock Purchase Program. [F3] 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 $65.28 to $65.45. Full information regarding the number of shares at each price is available upon request. F2: Updated ownership includes common stock acquired through the Company's Employee Stock Purchase Program. F3: 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 (2026-08-19)