MPC insider trades & Congress trades
Marathon Petroleum Corp: public insider filings and Congress disclosures, in one place.
Bourse has recorded 7 open-market insider transactions in Marathon Petroleum Corp (MPC) (0 purchases with code P and 7 sales with code S), the most recent on August 31, 2026.
In the last 90 days: 0 purchases by 0 insiders ($0) and 7 sales by 4 ($8.04M).
Members of Congress have disclosed 2 trades in MPC (0 purchases, 2 sales), the latest transaction dated September 22, 2026. Congress filings can arrive up to 45 days after the trade.
Insider transactions
SEC Form 4, open-market purchases (P) and sales (S) only. Awards, option exercises and tax withholding are excluded. “After” shows the stock’s return over the month following the trade, where available.
| Date | Insider | Role | Type | Shares | Price | Value | After 1M |
|---|---|---|---|---|---|---|---|
| Aug 31, 2026 | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | Sell | 1,000 | $375.75 | $376K | +0.1% |
| Aug 28, 2026 | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | Sell | 425 | $368.51 | $157K | +0.1% |
| Aug 27, 2026 | Brzezinski Erin M | VP and Controller | Sell | 570 | $362.79 | $207K | +0.1% |
| Aug 17, 2026 | Benson Molly R | Chief Legal Ofc & Corp Sec | Sell | 7,196 | $358.57 | $2.58M | +0.2% |
| Aug 17, 2026 | Benson Molly R | Chief Legal Ofc & Corp Sec | Sell | 5,000 | $358.57 | $1.79M | +0.2% |
| Aug 13, 2026 | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | Sell | 2,500 | $350.00 | $875K | +0.1% |
| Aug 12, 2026 | Henschen Michael A II | Ex VP, Refining | Sell | 6,011 | $341.56 | $2.05M | +0.2% |
Congress trades
Disclosures under the STOCK Act. Amounts are reported as ranges; some trades are made by a spouse or dependent child.
| Traded | Member | Party | Type | Amount | Disclosed | Filing |
|---|---|---|---|---|---|---|
| Sep 22, 2026 | David J. Taylor | house | Sell | $1,001 - $15,000 | Oct 1, 2026 | – |
| Jul 24, 2026 | David J. Taylor | house | Sell | $1,001 - $15,000 | Aug 6, 2026 | Source |
Data as of November 8, 2026. Public filings only. A purchase or sale by a politician or an insider does not by itself imply any wrongdoing.
New to these filings? Read how to read a Form 4, how Congress trades are disclosed and what insider cluster buying means. Sources and limits are on the Methodology page.
See these filings as they land
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