Marathon Petroleum Corp (MPC) has 6 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 4 sales totalling $3.7M. Most recent filing: Sept. 1, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| Sept. 1, 2026 filed Aug. 28, 2026 | Lyon Shawn M SVP Log & Storage, MPLX GP LLC | −$532,367 | 1,425 | −11% | No | |
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| Aug. 31, 2026 filed Aug. 27, 2026 | Brzezinski Erin M VP and Controller | −$206,790 | 570 | −27% | No | |
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| Aug. 19, 2026 filed Aug. 17, 2026 | Benson Molly R Chief Legal Ofc & Corp Sec | $5,345,205 | 51,588 | — | Yes | |
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| Aug. 17, 2026 filed Aug. 13, 2026 | Lyon Shawn M SVP Log & Storage, MPLX GP LLC | −$875,000 | 2,500 | −17% | No | |
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| Aug. 14, 2026 filed Aug. 12, 2026 | Henschen Michael A II Ex VP, Refining | −$2,053,099 | 6,011 | −36% | No | |
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Showing the 5 most recent of 6 filings in the last 90 days.
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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