Marathon Petroleum Corp

MPCNYSE
$376.96
8.132.2%
Últ. Act.: Aug 31, 9:18 AM

Marathon Petroleum Ownership & Insider Activity

Marathon Petroleum (MPC) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 1.4% of shares outstanding. Institutional investors hold 59.2%. Over the past 90 days, insiders made 3 sales worth $4.4M.

Shares Outstanding

291.937M

Shares Float

252.816M

Insider Shares Owned

4.040M

Insider % Owned

1.4%

Institutional Shares Held

166.162M

Institutional % Held

59.2%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

0

Sales (90d)

3

$4.4M total

Net Activity

Net Selling

Net Value (90d)

-$4.4M

Marathon Petroleum Insider Transactions (Last 6 Months)

DateInsiderTitleTypeSharesPriceValue
Aug 17, 2026Molly R BensonCHIEF LEGAL OFC & CORP SECSELL-OPTIONS$203.15$5.3M
Aug 13, 2026Shawn M LyonSVP LOG & STORAGE, MPLX GP LLCSELL2.500K$350.00$875K

Congressional Trading Activity

DateMemberPartyChamberActionAmount
Jul 24, 2026David TaylorRHouseS$1,001 - $15,000
Jul 24, 2026David TaylorRHouseS$1,001 - $15,000