mpc-20260429

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_____________________________________________

FORM 8-K

_____________________________________________

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) April 29, 2026

_____________________________________________

Marathon Petroleum Corporation

(Exact name of registrant as specified in its charter)

_____________________________________________

Delaware

001-35054

27-1284632

(State or other jurisdiction
of incorporation)

(Commission File Number)

(IRS Employer
Identification No.)

539 South Main Street, Findlay, Ohio 45840

(Address of principal executive offices) (Zip code)

Registrant’s telephone number, including area code: (419) 422-2121

_____________________________________________


Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))


Securities registered pursuant to Section 12(b) of the Act:
Title of each class			Trading symbol(s)			Name of each exchange on which registered
Common Stock, par value $.01			MPC			New York Stock Exchange


Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company			☐


If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.
☐


Item 5.07			Submission of Matters to a Vote of Security Holders.


The Company's 2026 Annual Meeting was held on April 29, 2026. As of March 3, 2026, the record date for the 2026 Annual Meeting, there were 294,496,878 shares of the Company's common stock outstanding and entitled to vote. Following are the voting results for the proposals considered and voted upon at the 2026 Annual Meeting.


1.			ELECTION OF CLASS III DIRECTORS

Shareholders elected Maryann T. Mannen, Eileen P. Paterson, J. Michael Stice and John P. Surma as Class III directors, each to serve a term expiring on the date of the Company’s 2029 annual meeting of shareholders and until each such director's successor is duly elected and qualified or until each such director's earlier death, resignation or removal, by the following votes:


NOMINEE						VOTES FOR									VOTES AGAINST									ABSTENTIONS									BROKER NON-VOTES
Maryann T. Mannen						197,152,767									10,707,225									428,463									49,284,260
Eileen P. Paterson						201,856,054									6,026,072									406,329									49,284,260
J. Michael Stice						196,334,471									11,502,146									451,838									49,284,260
John P. Surma						196,234,705									11,608,202									445,548									49,284,260


2.			RATIFICATION OF APPOINTMENT OF INDEPENDENT AUDITOR FOR 2026

Shareholders ratified the appointment of PricewaterhouseCoopers LLP as the Company’s independent auditor for the year ending December 31, 2026, by the following votes:


VOTES FOR									VOTES AGAINST									ABSTENTIONS									BROKER NON-VOTES
254,381,495									2,629,306									561,914									—


3.			APPROVAL, ON AN ADVISORY BASIS, OF THE COMPANY'S NAMED EXECUTIVE OFFICER COMPENSATION

Shareholders approved, on an advisory basis, the compensation of the Company’s named executive officers by the following votes:


VOTES FOR									VOTES AGAINST									ABSTENTIONS									BROKER NON-VOTES
202,102,724									5,289,661									896,070									49,284,260


4.			APPROVAL OF AN AMENDMENT TO THE COMPANY'S RESTATED CERTIFICATE OF INCORPORATION TO DECLASSIFY THE BOARD OF DIRECTORS

The proposal to approve an amendment to the Company’s Restated Certificate of Incorporation to declassify the Board of Directors did not receive the required affirmative vote of at least 80% of the Company’s outstanding shares entitled to vote:


VOTES FOR									VOTES AGAINST									ABSTENTIONS									BROKER NON-VOTES
206,109,628									1,378,208									800,619									49,284,260


5.			APPROVAL OF AN AMENDMENT TO THE COMPANY'S RESTATED CERTIFICATE OF INCORPORATION TO ELIMINATE SUPERMAJORITY PROVISIONS

The proposal to approve an amendment to the Company’s Restated Certificate of Incorporation to eliminate supermajority provisions did not receive the required affirmative vote of at least 80% of the Company’s outstanding shares entitled to vote:


VOTES FOR									VOTES AGAINST									ABSTENTIONS									BROKER NON-VOTES
205,793,162									1,746,858									748,435									49,284,260


SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


			Marathon Petroleum Corporation

Date: May 1, 2026			By:			/s/ Molly R. Benson
						Name: Molly R. Benson
						Title: Chief Legal Officer and Corporate Secretary