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
| Security | Shares | Change |
|---|---|---|
| Common Stock | 15.56K | -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)