Molly Benson of Marathon Petroleum (NYSE: MPC) logs stock award, tax share moves

Rhea-AI Filing Summary

Marathon Petroleum Corp reported that Chief Legal Officer and Corporate Secretary Molly R. Benson received a grant of 2,544 shares of common stock on March 1, 2026 as a stock award. On March 2, 2026, she disposed of shares in three tax-withholding transactions of 171, 284, and 348 shares at $206.30 per share to cover tax obligations. Following these transactions, her direct common stock holdings were 30,334.155 shares, and she also held 87.619 shares indirectly through a 401(k) plan.

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

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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^*

Benson Molly R

(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)
	Chief Legal Ofc & Corp Sec

3. Date of Earliest Transaction (Month/Day/Year)
03/01/2026

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	03/01/2026		A		2,544	A	$0	31,137.155	D
Common Stock	03/02/2026		F		171	D	$206.3	30,966.155	D
Common Stock	03/02/2026		F		284	D	$206.3	30,682.155	D
Common Stock	03/02/2026		F		348	D	$206.3	30,334.155	D
Common Stock								87.619	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:

Remarks:

Chief Legal Officer and Corporate Secretary

	/s/ Shane T. Pfleiderer, Attorney-in-Fact for Molly R. Benson	03/03/2026
	** 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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** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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FAQ

What insider transactions did Molly R. Benson report at Marathon Petroleum (MPC)?

Molly R. Benson reported a stock award and related tax dispositions. She received 2,544 shares of Marathon Petroleum common stock, then used 171, 284, and 348 shares at $206.30 per share to satisfy tax-withholding obligations, rather than executing open-market sales.

Did Molly R. Benson sell Marathon Petroleum (MPC) shares on the open market?

The filing shows tax-withholding dispositions, not open-market sales. Shares totaling 171, 284, and 348 were delivered at $206.30 per share to cover tax liabilities tied to equity compensation, consistent with transaction code F for tax payments using shares.

How many Marathon Petroleum (MPC) shares did Molly R. Benson receive in her latest award?

She received 2,544 shares of Marathon Petroleum common stock as a grant or award. The transaction is coded as an acquisition (A), indicating equity compensation rather than a purchase, and increased her direct ownership before subsequent tax-withholding dispositions were recorded.

What is Molly R. Benson’s Marathon Petroleum (MPC) share ownership after these transactions?

After the reported transactions, her direct ownership was 30,334.155 shares of Marathon Petroleum common stock. She also had an additional 87.619 shares held indirectly through a 401(k) plan, reflecting retirement-related holdings separate from her directly owned shares.

At what price were the Marathon Petroleum (MPC) tax-withholding share dispositions recorded?

The tax-withholding dispositions were recorded at $206.30 per share. Three separate transactions of 171, 284, and 348 shares used this price to value the shares delivered to satisfy tax liabilities tied to her stock-based compensation award.

What is Molly R. Benson’s role at Marathon Petroleum (MPC) in this insider filing?

She is identified as the Chief Legal Officer and Corporate Secretary of Marathon Petroleum. Her position classifies her as a reporting officer, requiring disclosure of equity awards and related tax-withholding share dispositions under insider reporting rules for company executives.