Centene (CNC) 4: Carson Michael A transacted N/A shares of Common Stock at $… (May 26, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-22 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: CENTENE CORP (CNC) CIK: 0001071739 --- Reporting Owner --- Name: Carson Michael A CIK: 0001934743 Role: Officer (Group President, Medicare&Spec) --- Derivative Transactions --- [Transaction #1] Security: Phantom Stock Date: 2026-05-22 | Code: A (Grant or award) Shares: +47.935 | Price: $57.77 Exercisable: N/A | Expires: 2026-05-22 Shares Owned After: 604.004 | Ownership: D (Direct) Footnotes: [F2] Each share of phantom stock represents the right to receive the fair market value of one share of Centene common stock. [F3] The phantom stock was acquired by Mr. Carson through regularly scheduled payroll contributions to the Company's deferred compensation plan. [F4] The phantom stock has no formal expiration date. The phantom stock will be settled in cash or other non-Company securities upon Mr. Carson's termination with the Company or on such other date Mr. Carson may elect. [F3] The phantom stock was acquired by Mr. Carson through regularly scheduled payroll contributions to the Company's deferred compensation plan. --- Holdings --- [Holding #1] Security: Common Stock Ownership: D (Direct) Footnotes: [F1] Ownership includes 113,747 shares of previously-granted restricted stock units and performance stock units (reported at target level performance) subject to vesting requirements. [Holding #2] Security: Common Stock Ownership: I (Indirect) --- Footnotes (Complete Index) --- F1: Ownership includes 113,747 shares of previously-granted restricted stock units and performance stock units (reported at target level performance) subject to vesting requirements. F2: Each share of phantom stock represents the right to receive the fair market value of one share of Centene common stock. F3: The phantom stock was acquired by Mr. Carson through regularly scheduled payroll contributions to the Company's deferred compensation plan. F4: The phantom stock has no formal expiration date. The phantom stock will be settled in cash or other non-Company securities upon Mr. Carson's termination with the Company or on such other date Mr. Carson may elect. --- Signature --- /s/ /s/ Christopher A. Koster (executed by attorney-in-fact) (2026-05-26)