Marathon Petroleum CCO sells 1,000 MPC shares

Marathon Petroleum Corp Chief Commercial Officer Ricky D. Hessling reported an open-market sale of 1,000 shares of common stock at $250.00 per share on May 13, 2026.

Rhea-AI Filing Summary

Marathon Petroleum Corp Chief Commercial Officer Ricky D. Hessling reported an open-market sale of 1,000 shares of common stock at $250.00 per share on May 13, 2026. After this sale, he directly holds 6,525 shares of common stock and indirectly holds 0.274 share through a 401(k) Plan. The filing shows no derivative securities positions in this excerpt, indicating only common stock holdings are reported here.

Insider Trade Summary

Net Seller: 1,000 shares

Net Sell 2 txns

Insider Hessling Ricky D.

Role Chief Commercial Officer

Sold 1,000 shs ($250K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,000	$250.00	$250K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 6,525 shares (Direct); Common Stock — 0.274 shares (Indirect, By 401(k) Plan)

Key Figures

Shares sold: 1,000 shares Sale price per share: $250.00 per share Direct holdings after sale: 6,525 shares +2 more

5 metrics

Shares sold 1,000 shares Open-market sale on May 13, 2026

Sale price per share $250.00 per share Common stock transaction price

Direct holdings after sale 6,525 shares Common stock directly owned post-transaction

Indirect 401(k) holdings 0.274 share Common stock held via 401(k) Plan

Net shares sold 1,000 shares Net-sell direction in transaction summary

Key Terms

open-market sale, Common Stock, 401(k) Plan, indirect ownership

4 terms

open-market sale financial

"reported an open-market sale of 1,000 shares of common stock"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock financial

"reported an open-market sale of 1,000 shares of common stock"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

401(k) Plan financial

"indirectly holds 0.274 share through a 401(k) Plan"

A 401(k) plan is a workplace retirement account that lets employees set aside part of their pay into a tax-advantaged savings pot, often with employers adding matching contributions — like a workplace piggy bank for future income. It matters to investors because the amount people save and how employers fund these plans influence consumer spending, corporate payroll costs and the flow of money into financial markets, which can affect stock prices and company valuations.

indirect ownership financial

"0.274 share held indirectly through a 401(k) Plan"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Marathon Petroleum (MPC) executive Ricky D. Hessling report?

Ricky D. Hessling reported selling 1,000 shares of Marathon Petroleum common stock. The transaction was an open-market sale at $250.00 per share, recorded on May 13, 2026, and disclosed in a Form 4 insider trading report.

How many Marathon Petroleum (MPC) shares does Ricky D. Hessling hold after this Form 4?

After the reported sale, Ricky D. Hessling holds 6,525 Marathon Petroleum common shares directly. He also has a small indirect position of 0.274 share held through a 401(k) Plan, as shown in the Form 4 ownership table.

What was the sale price in Ricky D. Hessling’s Marathon Petroleum (MPC) Form 4 trade?

The reported open-market sale of Marathon Petroleum common stock by Ricky D. Hessling was executed at $250.00 per share. This unit price applies to the 1,000 shares sold according to the Form 4 transaction details for May 13, 2026.

Does Ricky D. Hessling’s Marathon Petroleum (MPC) Form 4 include derivative securities?

The Form 4 excerpt shows no derivative securities for Ricky D. Hessling. The derivative section is empty, indicating that only non-derivative common stock holdings and transactions are reported in this filing snapshot for Marathon Petroleum.

How is indirect ownership reported for Ricky D. Hessling in Marathon Petroleum (MPC)?

Ricky D. Hessling’s Form 4 shows 0.274 share of Marathon Petroleum common stock held indirectly. This indirect ownership is reported as being held "By 401(k) Plan," reflecting a retirement-plan position rather than a directly held brokerage account.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/15/2026 - 04:10 PM EDT Learn about SEC filing dates

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
Estimated average burden
hours per response:			0.5

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^*

Hessling Ricky D.

(Last) (First) (Middle)

C/O MARATHON PETROLEUM CORPORATION

539 S. MAIN STREET

(Street)

FINDLAY OHIO 45840

(City) (State) (Zip)

UNITED STATES

(Country)

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 Commercial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/13/2026

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

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

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

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	05/13/2026		S		1,000	D	$250	6,525	D
Common Stock								0.274	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 Commercial Officer

	/s/ Molly R. Benson, Attorney-in-Fact for Ricky D. Hessling	05/15/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)