Marathon Petroleum Corp 4

Maryann T. Mannen, Chairman, President & CEO of Marathon Petroleum Corp, had 908 shares of common stock withheld for taxes related to an equity award, leaving her with 110,939 shares owned directly.

On August 3, 2026, Marathon Petroleum Corp Chairman, President & CEO Maryann T. Mannen had 908 shares of common stock withheld in a Form 4 code “F” transaction, reflecting shares surrendered to cover tax obligations in connection with an equity-based award or vesting event, at an implied price of approximately $311.78 per share (about $283,000 in value). Following this routine tax-withholding transaction, Mannen directly owned 110,939 shares of Marathon Petroleum common stock, which, using the provided market price of roughly $309.02 per share, represents an equity stake valued at approximately $34.3 million. The filing does not indicate any open-market purchase or sale by the insider, and the transaction appears to be standard compensation-related share withholding rather than a discretionary trade.

Filing Facts

CIK

1510295

Ticker

MPC

Form

4

Source Type

sec

Accession

0001193125-26-332984

Alert Tier

4