24 insiders reported 133 Form 4 transactions for Marathon Petroleum Corp (MPC) over the past 18 months (most recent 2026-08-19). Recent activity: Benson Molly R (Chief Legal Ofc & Corp Sec) Buy 7,196 shares, Benson Molly R (Chief Legal Ofc & Corp Sec) Sell 7,196 shares, Benson Molly R (Chief Legal Ofc & Corp Sec) Buy 5,000 shares, Benson Molly R (Chief Legal Ofc & Corp Sec) Sell 5,000 shares, Benson Molly R (Chief Legal Ofc & Corp Sec) Buy 5,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-19 | Benson Molly R | Chief Legal Ofc & Corp Sec | Buy | 7,196 | $343,465 |
| 2026-08-19 | Benson Molly R | Chief Legal Ofc & Corp Sec | Sell | 7,196 | $2.6M |
| 2026-08-19 | Benson Molly R | Chief Legal Ofc & Corp Sec | Buy | 5,000 | $238,650 |
| 2026-08-19 | Benson Molly R | Chief Legal Ofc & Corp Sec | Sell | 5,000 | $1.8M |
| 2026-08-19 | Benson Molly R | Chief Legal Ofc & Corp Sec | Buy | 5,000 | $238,650 |
| 2026-08-19 | Benson Molly R | Chief Legal Ofc & Corp Sec | Sell | 5,000 | $1.8M |
| 2026-08-17 | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | Sell | 2,500 | $875,000 |
| 2026-08-14 | Henschen Michael A II | Ex VP, Refining | Sell | 6,011 | $2.1M |
| 2026-08-04 | Mannen Maryann T. | Chairman, President & CEO | Sell | 908 | $283,096 |
| 2026-06-08 | Henschen Michael A II | Ex VP, Refining | Sell | 1,372 | $368,725 |
| 2026-06-08 | Henschen Michael A II | Ex VP, Refining | Buy | 4,964 | $247,902 |
| 2026-06-08 | Henschen Michael A II | Ex VP, Refining | Sell | 4,964 | $1.3M |
| 2026-05-15 | Hessling Ricky D. | Chief Commercial Officer | Sell | 1,000 | $250,000 |
| 2026-05-04 | COHEN JONATHAN Z | Director | Buy | 728 | $0 |
| 2026-05-04 | CAMPBELL JEFFREY C | Director | Buy | 728 | $0 |
| 2026-05-04 | SURMA JOHN P | Director | Buy | 728 | $0 |
| 2026-05-04 | SEMPLE FRANK M | Director | Buy | 728 | $0 |
| 2026-05-04 | Rucker Kim K.W. | Director | Buy | 728 | $0 |
| 2026-05-04 | STICE J MICHAEL | Director | Buy | 728 | $0 |
| 2026-05-04 | Bayh Evan | Director | Buy | 728 | $0 |
| 2026-05-04 | Al Khayyal Abdulaziz Fahd | Director | Buy | 728 | $0 |
| 2026-05-04 | Paterson Eileen P. | Director | Buy | 728 | $0 |
| 2026-05-04 | Ellison-Taylor Kimberly N | Director | Buy | 728 | $0 |
| 2026-03-17 | Hessling Ricky D. | Chief Commercial Officer | Sell | 1,626 | $371,021 |
| 2026-03-13 | Hessling Ricky D. | Chief Commercial Officer | Sell | 1,485 | $333,397 |
Source: SEC Form 4 filings · as of 2026-08-19