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MPC MARATHON PETROLEUM CORPORATION
Insider figures are trailing 90 days, open-market Form 4 only. Institutional figures are the latest reported quarter. These windows are not simultaneous.
-$8.0M net selling - trailing 90 days
0 buyers - 4 unique sellers
Historical context: No open-market activity in Sep 2026 — insiders traded in 9 of the last 24 months
Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.
open-market Form 4 only - grants, exercises, tax withholding excluded. ~ derived from SEC-reported shares x price.
Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.
Who is responsible
| Insider | Role | Net activity | Rows |
|---|---|---|---|
| Benson Molly R | Chief Legal Ofc & Corp Sec | -~$4.4M | 2 |
| Henschen Michael A II | Ex VP, Refining | -~$2.1M | 1 |
| Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | -~$1.4M | 3 |
| Brzezinski Erin M | VP and Controller | -~$0.2M | 1 |
Transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| August 31, 2026 | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | S | -1000 | 375.75 | ~$0.4M |
| August 28, 2026 | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | S | -425 | 368.51 | ~$0.2M |
| August 27, 2026 | Brzezinski Erin M | VP and Controller | S | -570 | 362.79 | ~$0.2M |
| August 17, 2026 | Benson Molly R | Chief Legal Ofc & Corp Sec | 2 reported sale rows | 12196 | — | ~$4.4M |
| August 17, 2026 | Benson Molly R | Chief Legal Ofc & Corp Sec | S | -5000 | 358.57 | ~$1.8M |
| August 17, 2026 | Benson Molly R | Chief Legal Ofc & Corp Sec | S | -7196 | 358.57 | ~$2.6M |
| August 13, 2026 | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | S | -2500 | 350 | ~$0.9M |
| August 12, 2026 | Henschen Michael A II | Ex VP, Refining | S | -6011 | 341.557 | ~$2.1M |
| June 4, 2026 | Henschen Michael A II | Ex VP, Refining | 2 reported sale rows | 6336 | — | ~$1.7M |
| June 4, 2026 | Henschen Michael A II | Ex VP, Refining | S | -1372 | 268.75 | ~$0.4M |
| June 4, 2026 | Henschen Michael A II | Ex VP, Refining | S | -4964 | 268.845 | ~$1.3M |
| May 13, 2026 | Hessling Ricky D. | Chief Commercial Officer | S | -1000 | 250 | ~$0.3M |
| March 13, 2026 | Hessling Ricky D. | Chief Commercial Officer | S | -1626 | 228.18 | ~$0.4M |
| March 12, 2026 | Hessling Ricky D. | Chief Commercial Officer | 2 reported sale rows | 1037 | — | ~$0.2M |
| March 12, 2026 | Hessling Ricky D. | Chief Commercial Officer | S | -559 | 230 | ~$0.1M |
| March 12, 2026 | Hessling Ricky D. | Chief Commercial Officer | S | -478 | 228 | ~$0.1M |
| March 11, 2026 | Hessling Ricky D. | Chief Commercial Officer | 2 reported sale rows | 1810 | — | ~$0.4M |
| March 11, 2026 | Hessling Ricky D. | Chief Commercial Officer | S | -1485 | 224.51 | ~$0.3M |
| March 11, 2026 | Hessling Ricky D. | Chief Commercial Officer | S | -325 | 226 | ~$73K |
| February 12, 2026 | Henschen Michael A II | Ex VP, Refining | S | -5289 | 202.32 | ~$1.1M |
| August 15, 2025 | Benson Molly R | Chief Legal Ofc & Corp Sec | S | -10879 | 163 | ~$1.8M |
| July 3, 2025 | Rucker Kim K.W. | — | S | -7392 | 175 | ~$1.3M |
| March 11, 2025 | Hessling Ricky D. | Chief Commercial Officer | P | 2000 | 134.72 | ~$0.3M |
| March 5, 2025 | Bayh Evan | — | P | 1000 | 133.7 | ~$0.1M |
| December 4, 2024 | CAMPBELL JEFFREY C | — | P | 6000 | 149.6074 | ~$0.9M |