Marathon Petroleum (MPC)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-03-01 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Marathon Petroleum Corp (MPC) CIK: 0001510295 --- Reporting Owner --- Name: Mannen Maryann T. CIK: 0001408964 Role: Director, Officer (Chairman, President & CEO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-03-01 | Code: A (Grant or award) Shares: +15,266 | Price: $0.00 Shares Owned After: 115,813 | Ownership: D (Direct) [Transaction #2] Security: Common Stock Date: 2026-03-02 | Code: F (Payment of exercise/tax) Shares: -952 | Price: $206.30 Total Value: $196,397.60 Shares Owned After: 114,861 | Ownership: D (Direct) [Transaction #3] Security: Common Stock Date: 2026-03-02 | Code: F (Payment of exercise/tax) Shares: -778 | Price: $206.30 Total Value: $160,501.40 Shares Owned After: 114,083 | Ownership: D (Direct) [Transaction #4] Security: Common Stock Date: 2026-03-02 | Code: F (Payment of exercise/tax) Shares: -2,236 | Price: $206.30 Total Value: $461,286.80 Shares Owned After: 111,847 | Ownership: D (Direct) --- Signature --- /s/ /s/ Molly R. Benson, Attorney-in-Fact for Maryann T. Mannen (2026-03-03)