Marathon Petroleum Corporation (MPC) Insider Trading
Over the last 3 months, MPC insiders made 0 open-market buys and 3 sales, a net sale of -$2.0M (SEC Form 4). Over the last 6 months, 1175 institutions increased and 1278 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
3
Net (3m)
-$2.0M
Insider trades by month Buys Sells
Jul
Aug
Feb
Mar
May
Jun
Context3-month price +4.7%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 8, 2026 | Henschen Michael A IIofficer: Ex VP, Refining | Sell | 1,372 | $268.75 |
| Jun 8, 2026 | Henschen Michael A IIofficer: Ex VP, Refining | Option | 4,964 | $49.94 |
| Jun 8, 2026 | Henschen Michael A IIofficer: Ex VP, Refining | Sell | 4,964 | $268.85 |
| May 15, 2026 | Hessling Ricky D.officer: Chief Commercial Officer | Sell | 1,000 | $250.00 |
| May 4, 2026 | Rucker Kim K.W.director | Grant | 728 | — |
| May 4, 2026 | Bayh Evandirector | Grant | 728 | — |
| May 4, 2026 | Al Khayyal Abdulaziz Fahddirector | Grant | 728 | — |
| May 4, 2026 | COHEN JONATHAN Zdirector | Grant | 728 | — |
| May 4, 2026 | CAMPBELL JEFFREY Cdirector | Grant | 728 | — |
| May 4, 2026 | Paterson Eileen P.director | Grant | 728 | — |
| May 4, 2026 | STICE J MICHAELdirector | Grant | 728 | — |
| May 4, 2026 | SEMPLE FRANK Mdirector | Grant | 728 | — |
| May 4, 2026 | SURMA JOHN Pdirector | Grant | 728 | — |
| May 4, 2026 | Ellison-Taylor Kimberly Ndirector | 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 | 325 | $226.00 |
| 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 3, 2026 | Hessling Ricky D.officer: Chief Commercial Officer | Tax | 192 | $206.30 |
| Mar 3, 2026 | Floerke Gregory Scottofficer: Ex VP & COO, MPLX GP LLC | Tax | 278 | $206.30 |
| Mar 3, 2026 | Henschen Michael A IIofficer: Ex VP, Refining | Tax | 167 | $206.30 |
| Mar 3, 2026 | Mannen Maryann T.director, officer: Chairman, President & CEO | Grant | 15,266 | — |
| Mar 3, 2026 | Lyon Shawn Mofficer: SVP Log & Storage, MPLX GP LLC | Grant | 1,730 | — |
| Mar 3, 2026 | Henschen Michael A IIofficer: Ex VP, Refining | Tax | 191 | $206.30 |
| Mar 3, 2026 | Lyon Shawn Mofficer: SVP Log & Storage, MPLX GP LLC | Tax | 279 | $206.30 |
| Mar 3, 2026 | Benson Molly Rofficer: Chief Legal Ofc & Corp Sec | Tax | 284 | $206.30 |
| Mar 3, 2026 | Mannen Maryann T.director, officer: Chairman, President & CEO | Tax | 778 | $206.30 |
| Mar 3, 2026 | Floerke Gregory Scottofficer: Ex VP & COO, MPLX GP LLC | Grant | 1,730 | — |
| Mar 3, 2026 | Floerke Gregory Scottofficer: Ex VP & COO, MPLX GP LLC | Tax | 251 | $206.30 |
Source: MPC SEC Form 4 filings, latest Jun 8, 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
1175
New positions
536
Reduced
1278
Sold out
261
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 38.3M | May 15, 2026 |
| 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 |
| 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.