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)
DateInsiderTypeSharesPrice
May 15, 2026Hessling Ricky D.officer: Chief Commercial OfficerSell1,000$250.00
May 4, 2026SURMA JOHN PdirectorGrant728
May 4, 2026Al Khayyal Abdulaziz FahddirectorGrant728
May 4, 2026Rucker Kim K.W.directorGrant728
May 4, 2026Bayh EvandirectorGrant728
May 4, 2026Ellison-Taylor Kimberly NdirectorGrant728
May 4, 2026COHEN JONATHAN ZdirectorGrant728
May 4, 2026Paterson Eileen P.directorGrant728
May 4, 2026SEMPLE FRANK MdirectorGrant728
May 4, 2026CAMPBELL JEFFREY CdirectorGrant728
May 4, 2026STICE J MICHAELdirectorGrant728
Mar 17, 2026Hessling Ricky D.officer: Chief Commercial OfficerSell1,626$228.18
Mar 13, 2026Hessling Ricky D.officer: Chief Commercial OfficerSell559$230.00
Mar 13, 2026Hessling Ricky D.officer: Chief Commercial OfficerSell1,485$224.51
Mar 13, 2026Hessling Ricky D.officer: Chief Commercial OfficerSell478$228.00
Mar 13, 2026Hessling Ricky D.officer: Chief Commercial OfficerSell325$226.00
Mar 3, 2026Hessling Ricky D.officer: Chief Commercial OfficerTax282$206.30
Mar 3, 2026Mannen Maryann T.director, officer: Chairman, President & CEOTax2,236$206.30
Mar 3, 2026Henschen Michael A IIofficer: Ex VP, RefiningGrant2,290
Mar 3, 2026Brzezinski Erin Mofficer: VP and ControllerGrant509
Mar 3, 2026Lyon Shawn Mofficer: SVP Log & Storage, MPLX GP LLCGrant1,730
Mar 3, 2026Hessling Ricky D.officer: Chief Commercial OfficerGrant2,748
Mar 3, 2026Brzezinski Erin Mofficer: VP and ControllerTax42$206.30
Mar 3, 2026Floerke Gregory Scottofficer: Ex VP & COO, MPLX GP LLCTax251$206.30
Mar 3, 2026Khoury Maria Aofficer: Exec VP & Chief Fin OfcGrant2,443
Mar 3, 2026Brzezinski Erin Mofficer: VP and ControllerTax49$206.30
Mar 3, 2026Henschen Michael A IIofficer: Ex VP, RefiningTax167$206.30
Mar 3, 2026Benson Molly Rofficer: Chief Legal Ofc & Corp SecTax348$206.30
Mar 3, 2026Lyon Shawn Mofficer: SVP Log & Storage, MPLX GP LLCTax279$206.30
Mar 3, 2026Floerke Gregory Scottofficer: Ex VP & COO, MPLX GP LLCGrant1,730

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
InstitutionActionSharesFiled
VANGUARD GROUP INCReduced38.3MJan 29, 2026
BLACKROCK, INC.Increased24.4MMay 13, 2026
BLACKROCK, INC.Increased22.4MFeb 12, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position19.2MMay 15, 2026
STATE STREET CORPIncreased19.0MMay 15, 2026
STATE STREET CORPIncreased17.9MFeb 13, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position15.7MMay 8, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased7.8MMay 15, 2026
GEODE CAPITAL MANAGEMENT, LLCReduced7.8MFeb 9, 2026
WELLINGTON MANAGEMENT GROUP LLPReduced7.2MFeb 17, 2026
BOSTON PARTNERSReduced6.1MFeb 13, 2026
MORGAN STANLEYReduced6.1MFeb 13, 2026
MORGAN STANLEYReduced6.1MMay 15, 2026
RAYMOND JAMES FINANCIAL INCReduced5.8MFeb 18, 2026
RAYMOND JAMES FINANCIAL INCReduced5.8MMay 14, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.