MPC insider plans sale of 6,011 common shares

Michael A. Henschen filed to sell common stock of MPC through Fidelity Brokerage Services LLC.

Rhea-AI Filing Summary

Michael A. Henschen filed to sell common stock of MPC through Fidelity Brokerage Services LLC. The filing lists 6,011 shares of common stock with an aggregate market value of $2,053,097.32, with 280,824,763 shares outstanding and an anticipated sale date of August 12, 2026 on the NYSE. It also notes prior sales of 6,336 shares for $1,703,271.72 on June 4, 2026 and details that the shares were originally acquired through multiple restricted stock vesting events between 2018 and 2025 as compensation from the issuer.

Key Figures

Shares to be sold: 6,011 shares Aggregate market value (planned sale): $2,053,097.32 Shares outstanding: 280,824,763 shares +3 more

6 metrics

Shares to be sold 6,011 shares Planned sale of MPC common stock

Aggregate market value (planned sale) $2,053,097.32 Value of 6,011 MPC common shares to be sold

Shares outstanding 280,824,763 shares Outstanding MPC common shares at time of filing

Shares sold in past 3 months 6,336 shares MPC common shares sold on June 4, 2026

Aggregate value of past sale $1,703,271.72 Value of 6,336 MPC shares sold on June 4, 2026

Restricted stock vesting (largest single grant) 1,344 shares Restricted stock vesting on March 1, 2025 as compensation

Key Terms

Form 144, restricted stock vesting, aggregate market value, compensation

4 terms

Form 144 regulatory

"144: Securities Sold During The Past 3 Months"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

restricted stock vesting financial

"Common | 03/01/2025 | Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

aggregate market value financial

"Common | Fidelity Brokerage Services LLC ... | 2053097.32"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

compensation financial

"03/01/2025 | Restricted Stock Vesting | Issuer | | | 1344 | 03/01/2025 | Compensation"

FAQ

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

What stock sale is Michael A. Henschen planning for MPC?

Michael A. Henschen plans to sell 6,011 shares of MPC common stock, with an aggregate market value of $2,053,097.32. The proposed sale is expected to occur on August 12, 2026 through Fidelity Brokerage Services LLC on the NYSE.

How many MPC shares are outstanding in this Form 144 filing?

The Form 144 lists 280,824,763 shares outstanding of MPC common stock. This figure provides context for the planned sale of 6,011 shares, illustrating the relative size of the transaction compared with the total outstanding shares.

What prior MPC stock sales has Michael A. Henschen reported?

The filing shows Henschen sold 6,336 shares of MPC common stock on June 4, 2026 for an aggregate market value of $1,703,271.72. This activity is disclosed under securities sold during the past three months, as required for Form 144 filers.

How were Michael A. Henschen’s MPC shares originally acquired?

The MPC shares were acquired through restricted stock vesting granted by the issuer as compensation. Vesting dates include 2018, 2021, 2022, 2024, and 2025, with multiple grants such as 1,344 shares vesting on March 1, 2025.

Which broker is handling Michael A. Henschen’s planned MPC sale?

The planned sale of MPC common stock is listed through Fidelity Brokerage Services LLC, located at 900 Salem Street, Smithfield, RI 02917. The broker is named in the securities information section associated with the proposed sale on the NYSE.

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

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Accepted by SEC EDGAR 08/12/2026 - 01:05 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002069536
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Marathon Petroleum Corp
SEC File Number	001-35054
Address of Issuer	539 SOUTH MAIN STREET FINDLAY OHIO 45840-3229
Phone	419-422-2121
Name of Person for Whose Account the Securities are To Be Sold	Henschen Michael A II
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	6011	2053097.32	280824763	08/12/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	04/01/2018	Restricted Stock Vesting	Issuer			925	04/01/2018	Compensation
Common	04/01/2021	Restricted Stock Vesting	Issuer			1209	04/01/2021	Compensation
Common	10/01/2021	Restricted Stock Vesting	Issuer			85	10/01/2021	Compensation
Common	03/01/2022	Restricted Stock Vesting	Issuer			1113	03/01/2022	Compensation
Common	04/01/2022	Restricted Stock Vesting	Issuer			351	04/01/2022	Compensation
Common	03/01/2024	Restricted Stock Vesting	Issuer			984	03/01/2024	Compensation
Common	03/01/2025	Restricted Stock Vesting	Issuer			1344	03/01/2025	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Michael A. Henschen 539 South Main Street Findlay OH 45840-3229	Common	06/04/2026	6336	1703271.72

144: Remarks and Signature

Remarks
Date of Notice	08/12/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Michael A. Henschen
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)