X0609 4 2026-08-28 0001510295 Marathon Petroleum Corp MPC 0001948454 Lyon Shawn M false C/O MARATHON PETROLEUM CORPORATION 539 S. MAIN STREET FINDLAY OH 45840 false true false false SVP Log & Storage, MPLX GP LLC false Common Stock 2026-08-28 4 S false 425 368.51 D 12194 D Common Stock 2026-08-31 4 S false 1000 375.75 D 11194 D Common Stock 2938.762 I By 401(k) Plan The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $368.43 to $368.53. The reporting person undertakes to provide to Marathon Petroleum Corporation, any security holder of Marathon Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 1 to this Form 4. The Reporting Person is the Senior Vice President, Logistics and Storage of MPLX GP LLC, a subsidiary of the Issuer. /s/ Molly R. Benson, Attorney-in-Fact for Shawn M. Lyon 2026-09-01