Marathon Petroleum (NYSE: MPC) SVP logs 86-share stock disposition

Rhea-AI Filing Summary

Marathon Petroleum Corp reported an insider transaction by a senior executive. On 12/12/2025, the officer disposed of 86 shares of common stock in a transaction coded "F" at a reported price of $185.77 per share.

Following this activity, the officer beneficially owns 15,348 shares directly and 2,914.317 shares indirectly through a 401(k) plan. The indirect holdings include 64.431 shares acquired through dividend reinvestment and reflect the deduction of an administrative fee equal to 0.032 shares. The reporting person serves as Senior Vice President, Logistics and Storage of MPLX GP LLC, a subsidiary of Marathon Petroleum.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Lyon Shawn M

(Last) (First) (Middle)

C/O MARATHON PETROLEUM CORPORATION

539 S. MAIN STREET

(Street)

FINDLAY OH 45840

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Marathon Petroleum Corp [ MPC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP Log & Storage, MPLX GP LLC

3. Date of Earliest Transaction (Month/Day/Year)
12/12/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	12/12/2025		F		86	D	$185.77	15,348	D
Common Stock								2,914.317(1)	I	By 401(k) Plan

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Includes 64.431 shares acquired pursuant to dividend reinvestment and not previously reported pursuant to Rule 16a-11. Also reflects the deduction of an administrative fee in the amount of .032 shares.

Remarks:

The Reporting Person is the Senior Vice President, Logistics and Storage of MPLX GP LLC, a subsidiary of the Issuer.

	/s/ Molly R. Benson, Attorney-in-Fact for Shawn M. Lyon	12/16/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transaction at Marathon Petroleum (MPC) is disclosed here?

The filing shows a Marathon Petroleum Corp officer disposed of 86 shares of common stock on 12/12/2025 in a transaction coded "F" at a reported price of $185.77 per share.

How many Marathon Petroleum (MPC) shares does the officer own after this transaction?

After the reported transaction, the officer beneficially owns 15,348 shares of Marathon Petroleum common stock directly and 2,914.317 shares indirectly through a 401(k) plan.

What price is associated with the reported share disposition for MPC?

The 86 shares of Marathon Petroleum common stock reported as disposed of were priced at $185.77 per share in the transaction.

What is the reporting person’s role related to Marathon Petroleum (MPC)?

The reporting person is the Senior Vice President, Logistics and Storage of MPLX GP LLC, which is identified as a subsidiary of Marathon Petroleum Corp.

What does the explanation about dividend reinvestment mean for MPC share holdings?

The explanation notes that the indirect holdings include 64.431 shares acquired through dividend reinvestment and also reflect the deduction of an administrative fee equal to 0.032 shares.

How are the officer’s indirect Marathon Petroleum (MPC) holdings structured?

The indirect beneficial ownership of 2,914.317 shares is held through a 401(k) plan, as stated in the filing.