# Marathon Petroleum Corp (MPC) insider trading, Q3 2026

Canonical: https://sec-api.dev/insider-trading/mpc

> 12 non-derivative transactions: 0 purchases, 8 sales ($9.8M). CIK 1510295.

| Date | Insider | Relationship | Code | Shares | Price | Owned after | Filing |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2026-08-31 | Lyon Shawn M | Officer | S | 1000.0 | 375.75 | 11194.0 | https://www.sec.gov/Archives/edgar/data/1510295/000119312526378519/0001193125-26-378519-index.htm |
| 2026-08-28 | Lyon Shawn M | Officer | S | 425.0 | 368.51 | 12194.0 | https://www.sec.gov/Archives/edgar/data/1510295/000119312526378519/0001193125-26-378519-index.htm |
| 2026-08-27 | Brzezinski Erin M | Officer | S | 570.0 | 362.79 | 1576.0 | https://www.sec.gov/Archives/edgar/data/1510295/000119312526376764/0001193125-26-376764-index.htm |
| 2026-08-17 | Benson Molly R | Officer | S | 5000.0 | 358.57 | 30334.33 | https://www.sec.gov/Archives/edgar/data/1510295/000119312526356892/0001193125-26-356892-index.htm |
| 2026-08-17 | Benson Molly R | Officer | M | 5000.0 | 47.73 | 35334.33 | https://www.sec.gov/Archives/edgar/data/1510295/000119312526356892/0001193125-26-356892-index.htm |
| 2026-08-17 | Benson Molly R | Officer | S | 5000.0 | 358.57 | 30334.33 | https://www.sec.gov/Archives/edgar/data/1510295/000119312526356892/0001193125-26-356892-index.htm |
| 2026-08-17 | Benson Molly R | Officer | M | 5000.0 | 47.73 | 35334.33 | https://www.sec.gov/Archives/edgar/data/1510295/000119312526356892/0001193125-26-356892-index.htm |
| 2026-08-17 | Benson Molly R | Officer | S | 7196.0 | 358.57 | 30334.33 | https://www.sec.gov/Archives/edgar/data/1510295/000119312526356892/0001193125-26-356892-index.htm |
| 2026-08-17 | Benson Molly R | Officer | M | 7196.0 | 47.73 | 37530.33 | https://www.sec.gov/Archives/edgar/data/1510295/000119312526356892/0001193125-26-356892-index.htm |
| 2026-08-13 | Lyon Shawn M | Officer | S | 2500.0 | 350.0 | 12619.0 | https://www.sec.gov/Archives/edgar/data/1510295/000119312526354289/0001193125-26-354289-index.htm |
| 2026-08-12 | Henschen Michael A II | Officer | S | 6011.0 | 341.56 | 10889.0 | https://www.sec.gov/Archives/edgar/data/1510295/000119312526352231/0001193125-26-352231-index.htm |
| 2026-08-03 | Mannen Maryann T. | Director, Officer | F | 908.0 | 311.78 | 110939.0 | https://www.sec.gov/Archives/edgar/data/1510295/000119312526332984/0001193125-26-332984-index.htm |

Source: https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets

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