4Filing Date: Aug 17, 2026

Marathon Petroleum (MPC) 4: Lyon Shawn M sold 2,500 shares at $350.00 on 2026-08-13; Ly… (Aug 17, 2026)

Statement of Changes in Beneficial Ownership

View SEC Filing
ACC: 0001193125-26-354289
Total Value$875.0K
Trades2
Insiders1

Transaction Details

Lyon Shawn M
SVP Log & Storage, MPLX GP LLC·Direct
Sell · Dispose
Common Stock
Shares-2.50K
Price$350.00
Total Value$875.0K
Shares Owned After12.62K
Transaction DateAug 13, 2026
Lyon Shawn M
SVP Log & Storage, MPLX GP LLC·Indirect · By 401(k) Plan
Common Stock
Shares0
Price-
Total Value$0
Shares Owned After2.94K
Footnotes ▸

Includes 11.168 shares acquired pursuant to dividend reinvestment and not previously reported pursuant to Rule 16a-11. Also reflects the deduction of an administrative fee in the amount of 0.018 shares.

Post-Transaction Holdings

Lyon Shawn M · SVP Log & Storage, MPLX GP LLC
SecuritySharesChange
Common Stock15.56K-2.50K (-13.84%)
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-13 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Marathon Petroleum Corp (MPC) CIK: 0001510295 --- Reporting Owner --- Name: Lyon Shawn M CIK: 0001948454 Role: Officer (SVP Log & Storage, MPLX GP LLC) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-08-13 | Code: S (Open market sale) Shares: -2,500 | Price: $350.00 Total Value: $875,000.00 Shares Owned After: 12,619 | Ownership: D (Direct) --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) Footnotes: [F1] Includes 11.168 shares acquired pursuant to dividend reinvestment and not previously reported pursuant to Rule 16a-11. Also reflects the deduction of an administrative fee in the amount of 0.018 shares. --- Footnotes (Complete Index) --- F1: Includes 11.168 shares acquired pursuant to dividend reinvestment and not previously reported pursuant to Rule 16a-11. Also reflects the deduction of an administrative fee in the amount of 0.018 shares. --- Signature --- /s/ /s/ Molly R. Benson, Attorney-in-Fact for Shawn M. Lyon (2026-08-17)

keid analysis is for reference only and does not constitute investment advice.