Marathon Petroleum Corporation (MPC) Insider Trading
Over the last 3 months, MPC insiders made 0 open-market buys and 6 sales, a net sale of -$1.3M (SEC Form 4). Over the last 6 months, 1276 institutions increased and 1279 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
6
Net (3m)
-$1.3M
Insider trades by month Buys Sells
Mar
Jul
Aug
Feb
Mar
May
Context3-month price +21%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 15, 2026 | Hessling Ricky D.officer: Chief Commercial Officer | Sell | 1,000 | $250.00 |
| May 4, 2026 | SURMA JOHN Pdirector | Grant | 728 | — |
| May 4, 2026 | Al Khayyal Abdulaziz Fahddirector | Grant | 728 | — |
| May 4, 2026 | Rucker Kim K.W.director | Grant | 728 | — |
| May 4, 2026 | Bayh Evandirector | Grant | 728 | — |
| May 4, 2026 | Ellison-Taylor Kimberly Ndirector | Grant | 728 | — |
| May 4, 2026 | COHEN JONATHAN Zdirector | Grant | 728 | — |
| May 4, 2026 | Paterson Eileen P.director | Grant | 728 | — |
| May 4, 2026 | SEMPLE FRANK Mdirector | Grant | 728 | — |
| May 4, 2026 | CAMPBELL JEFFREY Cdirector | Grant | 728 | — |
| May 4, 2026 | STICE J MICHAELdirector | Grant | 728 | — |
| Mar 17, 2026 | Hessling Ricky D.officer: Chief Commercial Officer | Sell | 1,626 | $228.18 |
| Mar 13, 2026 | Hessling Ricky D.officer: Chief Commercial Officer | Sell | 559 | $230.00 |
| Mar 13, 2026 | Hessling Ricky D.officer: Chief Commercial Officer | Sell | 1,485 | $224.51 |
| Mar 13, 2026 | Hessling Ricky D.officer: Chief Commercial Officer | Sell | 478 | $228.00 |
| Mar 13, 2026 | Hessling Ricky D.officer: Chief Commercial Officer | Sell | 325 | $226.00 |
| Mar 3, 2026 | Hessling Ricky D.officer: Chief Commercial Officer | Tax | 282 | $206.30 |
| Mar 3, 2026 | Mannen Maryann T.director, officer: Chairman, President & CEO | Tax | 2,236 | $206.30 |
| Mar 3, 2026 | Henschen Michael A IIofficer: Ex VP, Refining | Grant | 2,290 | — |
| Mar 3, 2026 | Brzezinski Erin Mofficer: VP and Controller | Grant | 509 | — |
| Mar 3, 2026 | Lyon Shawn Mofficer: SVP Log & Storage, MPLX GP LLC | Grant | 1,730 | — |
| Mar 3, 2026 | Hessling Ricky D.officer: Chief Commercial Officer | Grant | 2,748 | — |
| Mar 3, 2026 | Brzezinski Erin Mofficer: VP and Controller | Tax | 42 | $206.30 |
| Mar 3, 2026 | Floerke Gregory Scottofficer: Ex VP & COO, MPLX GP LLC | Tax | 251 | $206.30 |
| Mar 3, 2026 | Khoury Maria Aofficer: Exec VP & Chief Fin Ofc | Grant | 2,443 | — |
| Mar 3, 2026 | Brzezinski Erin Mofficer: VP and Controller | Tax | 49 | $206.30 |
| Mar 3, 2026 | Henschen Michael A IIofficer: Ex VP, Refining | Tax | 167 | $206.30 |
| Mar 3, 2026 | Benson Molly Rofficer: Chief Legal Ofc & Corp Sec | Tax | 348 | $206.30 |
| Mar 3, 2026 | Lyon Shawn Mofficer: SVP Log & Storage, MPLX GP LLC | Tax | 279 | $206.30 |
| Mar 3, 2026 | Floerke Gregory Scottofficer: Ex VP & COO, MPLX GP LLC | Grant | 1,730 | — |
Source: MPC SEC Form 4 filings, latest May 15, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their MPC positions over the last 6 months (SEC Form 13F).
Increased
1276
New positions
450
Reduced
1279
Sold out
263
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| VANGUARD GROUP INC | Reduced | 38.3M | Jan 29, 2026 |
| BLACKROCK, INC. | Increased | 24.4M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 22.4M | Feb 12, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 19.2M | May 15, 2026 |
| STATE STREET CORP | Increased | 19.0M | May 15, 2026 |
| STATE STREET CORP | Increased | 17.9M | Feb 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 15.7M | May 8, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 7.8M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 7.8M | Feb 9, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | 7.2M | Feb 17, 2026 |
| BOSTON PARTNERS | Reduced | 6.1M | Feb 13, 2026 |
| MORGAN STANLEY | Reduced | 6.1M | Feb 13, 2026 |
| MORGAN STANLEY | Reduced | 6.1M | May 15, 2026 |
| RAYMOND JAMES FINANCIAL INC | Reduced | 5.8M | Feb 18, 2026 |
| RAYMOND JAMES FINANCIAL INC | Reduced | 5.8M | May 14, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.