Marathon Petroleum Corp (MPC) Insider Trading
Directors, officers and holders of more than 10% of MPC report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 173 transactions on file: 0 with code P, 15 with code S and 35 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 31, 2026 | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | S Sale | 1,000 | $375.75 | $375,750 |
| Aug 28, 2026 | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | S Sale | 425 | $368.51 | $156,617 |
| Aug 17, 2026 | Benson Molly R | Chief Legal Ofc & Corp Sec | S Sale | 5,000 | $358.57 | $1,792,850 |
| Aug 17, 2026 | Benson Molly R | Chief Legal Ofc & Corp Sec | M Exercise | 5,000 | $47.73 | $238,650 |
| Aug 17, 2026 | Benson Molly R | Chief Legal Ofc & Corp Sec | M Exercise | 7,196 | $47.73 | $343,465 |
| Aug 17, 2026 | Benson Molly R | Chief Legal Ofc & Corp Sec | M Exercise | 7,196 | Not measured | Not measured |
| Aug 17, 2026 | Benson Molly R | Chief Legal Ofc & Corp Sec | S Sale | 5,000 | $358.57 | $1,792,850 |
| Aug 17, 2026 | Benson Molly R | Chief Legal Ofc & Corp Sec | M Exercise | 5,000 | Not measured | Not measured |
| Aug 17, 2026 | Benson Molly R | Chief Legal Ofc & Corp Sec | M Exercise | 5,000 | Not measured | Not measured |
| Aug 17, 2026 | Benson Molly R | Chief Legal Ofc & Corp Sec | M Exercise | 5,000 | $47.73 | $238,650 |
| Aug 17, 2026 | Benson Molly R | Chief Legal Ofc & Corp Sec | S Sale | 7,196 | $358.57 | $2,580,270 |
| Aug 13, 2026 | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | S Sale | 2,500 | $350.00 | $875,000 |
| Aug 12, 2026 | Henschen Michael A II | Ex VP, Refining | S Sale | 6,011 | $341.56 | $2,053,099 |
| Aug 3, 2026 | Mannen Maryann T. | Chairman, President & CEO | F Tax Payment | 908 | $311.78 | $283,096 |
| Jun 4, 2026 | Henschen Michael A II | Ex VP, Refining | S Sale | 1,372 | $268.75 | $368,725 |
| Jun 4, 2026 | Henschen Michael A II | Ex VP, Refining | M Exercise | 4,964 | Not measured | Not measured |
| Jun 4, 2026 | Henschen Michael A II | Ex VP, Refining | S Sale | 4,964 | $268.85 | $1,334,547 |
| Jun 4, 2026 | Henschen Michael A II | Ex VP, Refining | M Exercise | 4,964 | $49.94 | $247,902 |
| May 13, 2026 | Hessling Ricky D. | Chief Commercial Officer | S Sale | 1,000 | $250.00 | $250,000 |
| Apr 30, 2026 | SEMPLE FRANK M | Director | A Award | 728 | Not measured | Not measured |
| Apr 30, 2026 | Rucker Kim K.W. | Director | A Award | 728 | Not measured | Not measured |
| Apr 30, 2026 | Paterson Eileen P. | Director | A Award | 728 | Not measured | Not measured |
| Apr 30, 2026 | Al Khayyal Abdulaziz Fahd | Director | A Award | 728 | Not measured | Not measured |
| Apr 30, 2026 | STICE J MICHAEL | Director | A Award | 728 | Not measured | Not measured |
| Apr 30, 2026 | CAMPBELL JEFFREY C | Director | A Award | 728 | Not measured | Not measured |
| Apr 30, 2026 | Ellison-Taylor Kimberly N | Director | A Award | 728 | Not measured | Not measured |
| Apr 30, 2026 | Bayh Evan | Director | A Award | 728 | Not measured | Not measured |
| Apr 30, 2026 | SURMA JOHN P | Director | A Award | 728 | Not measured | Not measured |
| Apr 30, 2026 | COHEN JONATHAN Z | Director | A Award | 728 | Not measured | Not measured |
| Mar 13, 2026 | Hessling Ricky D. | Chief Commercial Officer | S Sale | 1,626 | $228.18 | $371,021 |
| Mar 12, 2026 | Hessling Ricky D. | Chief Commercial Officer | S Sale | 478 | $228.00 | $108,984 |
| Mar 12, 2026 | Hessling Ricky D. | Chief Commercial Officer | S Sale | 559 | $230.00 | $128,570 |
| Mar 11, 2026 | Hessling Ricky D. | Chief Commercial Officer | S Sale | 1,485 | $224.51 | $333,397 |
| Mar 11, 2026 | Hessling Ricky D. | Chief Commercial Officer | S Sale | 325 | $226.00 | $73,450 |
| Mar 11, 2026 | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | G Gift | 1,186 | Not measured | Not measured |
| Mar 2, 2026 | Benson Molly R | Chief Legal Ofc & Corp Sec | F Tax Payment | 284 | $206.30 | $58,589 |
| Mar 2, 2026 | Benson Molly R | Chief Legal Ofc & Corp Sec | F Tax Payment | 348 | $206.30 | $71,792 |
| Mar 2, 2026 | Hessling Ricky D. | Chief Commercial Officer | F Tax Payment | 192 | $206.30 | $39,610 |
| Mar 2, 2026 | Benson Molly R | Chief Legal Ofc & Corp Sec | F Tax Payment | 171 | $206.30 | $35,277 |
| Mar 2, 2026 | Mannen Maryann T. | Chairman, President & CEO | F Tax Payment | 2,236 | $206.30 | $461,287 |
| Mar 2, 2026 | Mannen Maryann T. | Chairman, President & CEO | F Tax Payment | 778 | $206.30 | $160,501 |
| Mar 2, 2026 | Mannen Maryann T. | Chairman, President & CEO | F Tax Payment | 952 | $206.30 | $196,398 |
| Mar 2, 2026 | Brzezinski Erin M | VP and Controller | F Tax Payment | 49 | $206.30 | $10,109 |
| Mar 2, 2026 | Floerke Gregory Scott | Ex VP & COO, MPLX GP LLC | F Tax Payment | 278 | $206.30 | $57,351 |
| Mar 2, 2026 | Floerke Gregory Scott | Ex VP & COO, MPLX GP LLC | F Tax Payment | 251 | $206.30 | $51,781 |
| Mar 2, 2026 | Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | F Tax Payment | 279 | $206.30 | $57,558 |
| Mar 2, 2026 | Floerke Gregory Scott | Ex VP & COO, MPLX GP LLC | F Tax Payment | 278 | $206.30 | $57,351 |
| Mar 2, 2026 | Brzezinski Erin M | VP and Controller | F Tax Payment | 42 | $206.30 | $8,665 |
| Mar 2, 2026 | Henschen Michael A II | Ex VP, Refining | F Tax Payment | 167 | $206.30 | $34,452 |
| Mar 2, 2026 | Henschen Michael A II | Ex VP, Refining | F Tax Payment | 123 | $206.30 | $25,375 |
The full Form 4 history is on the MPC company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.