Lyon Shawn M 4

What Happened

• Shawn M. Lyon, Senior Vice President, Logistics & Storage of MPLX GP LLC (a subsidiary of Marathon Petroleum Corp, ticker MPC), reported a gift (transaction code G) of 1,186 shares on March 11, 2026. The Form 4 lists the disposition at $0.00, indicating the shares were transferred as a gift (total proceeds $0).

Key Details

• Transaction date: 2026-03-11; reported on Form 4 filed 2026-03-13 (timely filing).
• Transaction type: Gift (G); 1,186 shares disposed at $0.00 (no sale proceeds).
• Footnote: Includes 13.305 shares acquired via dividend reinvestment and not previously reported under Rule 16a-11.
• Shares owned after the transaction: not specified in the provided excerpt.
• Filing timeliness: Filed within the Form 4 two-business-day window (not marked late).

Context

• Gifts are disposals for reporting purposes and do not necessarily reflect the insider’s view on the company’s stock; they can be for personal, family, or charitable reasons. The reporting person is an officer of an MPLX subsidiary (not necessarily a direct operating executive of MPC), as noted in the filing remarks.