A Form 4 filing submitted to the U.S. Securities and Exchange Commission on August 31, 2026, revealed that Erin M. Brzezinski, Vice President and Controller of Marathon Petroleum Corp, sold 570 shares of the company’s common stock on August 27, 2026.

Key Highlights

Reporting individual: Erin M. Brzezinski, VP and Controller at Marathon Petroleum Corp
Transaction details: Sold 570 shares of common stock (transaction code S) on August 27, 2026
Sale price: $362.79 per share
Post-sale ownership: Holds 1,576 shares of common stock directly after the transaction
Filing date: August 31, 2026, signed by Molly R. Benson as Attorney-in-Fact for Erin M. Brzezinski

Details of Erin M. Brzezinski’s Stock Sale in Marathon Petroleum Corp Form 4 Filing

The SEC Form 4 filing indicates that Erin M. Brzezinski, serving as Vice President and Controller of Marathon Petroleum Corp
(NYSE:MPC)


MPC (NYSE:MPC)

, sold 570 shares of the company’s common stock on August 27, 2026, at $362.79 per share. This transaction is classified under transaction code S in Table I of the Form 4, which reports non-derivative securities disposed of or owned.

Following this sale, Brzezinski retained direct beneficial ownership of 1,576 shares of Marathon Petroleum Corp common stock. The filing noted no transactions involving derivative securities in Table II. Additionally, the transaction was not executed under a Rule 10b5-1(c) trading plan, as indicated by the unchecked box in the filing.

The Form 4 was signed on August 31, 2026, by Molly R. Benson, acting as Attorney-in-Fact for Erin M. Brzezinski. This individual filing lists the earliest transaction date as August 27, 2026.

Summary of the Disclosure

The disclosure details a single open-market sale of 570 shares of Marathon Petroleum Corp common stock by Vice President and Controller Erin M. Brzezinski on August 27, 2026, at a price of $362.79 per share, resulting in a remaining direct ownership of 1,576 shares.