Gregory Scott Floerke - 01 Mar 2026 Form 4 Insider Report for Marathon Petroleum Corp (MPC)

Role
Ex VP & COO, MPLX GP LLC
Signature
/s/ Molly R. Benson, Attorney-in-Fact for Gregory S. Floerke
Issuer symbol
MPC
Transactions as of
01 Mar 2026
Net transactions value
-$166,484
Form type
4
Filing time
03 Mar 2026, 18:52:55 UTC
Previous filing
16 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Floerke Gregory Scott Ex VP & COO, MPLX GP LLC C/O MARATHON PETROLEUM CORPORATION, 539 S. MAIN STREET, FINDLAY /s/ Molly R. Benson, Attorney-in-Fact for Gregory S. Floerke 03 Mar 2026 0001313785

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MPC Common Stock Award $0 +1,730 +5.7% $0.000000 31,838 01 Mar 2026 Direct
transaction MPC Common Stock Tax liability $57,351 -278 -0.87% $206.30 31,560 02 Mar 2026 Direct
transaction MPC Common Stock Tax liability $51,781 -251 -0.8% $206.30 31,309 02 Mar 2026 Direct
transaction MPC Common Stock Tax liability $57,351 -278 -0.89% $206.30 31,031 02 Mar 2026 Direct
holding MPC Common Stock 737 01 Mar 2026 By 401(k) Plan F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Reflects the deduction of an administrative fee in the amount of .004 shares and contributions in the amount of 11.268 shares not previously reported pursuant to Rule 16a3(f)(1)(i)(B).

Remarks:

The Reporting Person is the Executive Vice President and Chief Operating Officer of MPLX GP LLC, a subsidiary of the Issuer.