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BCS

Notice of Proposed Sale · 144

MARATHON PETROLEUM CORPORATION

MPCNYSEEQUITYCurrent

Notice of Proposed Sale

Filed Aug 12, 2026Accepted Aug 12, 2026, 1:05 PM EDTFiling CIK 1510295Accession 0001959173-26-005932
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Structured filing — 144

primary_doc.xml

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Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.

Proposed-sale notice

Issuer
Marathon Petroleum Corp
Issuer CIK
0001510295
SEC file number
001-35054
Phone
419-422-2121
Person for whose account securities are to be sold
Henschen Michael A II
Relationships to issuer
Officer
Street
539 SOUTH MAIN STREET
City
FINDLAY
State / country code
OH
Postal code
45840-3229

Securities proposed for sale

Securities proposed for sale · 1 reported row
SecurityProposed unitsAggregate market valueUnits outstandingApproximate sale dateExchangeBroker / market maker
Common6,0112,053,097.32280,824,76308/12/2026NYSEFidelity Brokerage Services LLC

Broker / market maker — proposed row 1, entry 1

Name
Fidelity Brokerage Services LLC
Street
900 Salem Street
City
Smithfield
State / country code
RI
Postal code
02917

Acquisition of securities to be sold

Acquisition of securities to be sold · 7 reported rows
SecurityAcquiredNature of acquisitionAcquired fromAmount acquiredGift transactionPayment dateNature of payment
Common04/01/2018Restricted Stock VestingIssuer925N04/01/2018Compensation
Common04/01/2021Restricted Stock VestingIssuer1,209N04/01/2021Compensation
Common10/01/2021Restricted Stock VestingIssuer85N10/01/2021Compensation
Common03/01/2022Restricted Stock VestingIssuer1,113N03/01/2022Compensation
Common04/01/2022Restricted Stock VestingIssuer351N04/01/2022Compensation
Common03/01/2024Restricted Stock VestingIssuer984N03/01/2024Compensation
Common03/01/2025Restricted Stock VestingIssuer1,344N03/01/2025Compensation

Sales reported in the preceding three months

Sales reported in the preceding three months · 1 reported row
SellerSecuritySale dateAmount soldGross proceeds
Michael A. HenschenCommon06/04/20266,3361,703,271.72

Seller — prior-sale row 1, entry 1

Name
Michael A. Henschen
Street
539 South Main Street
City
Findlay
State / country code
OH
Postal code
45840-3229

Prior-sale reporting

Nothing to report for the preceding three months
N

Notice signature

Notice date
08/12/2026
Signed
/s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Michael A. Henschen

Company context

Current securities

Recent company filings

  1. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements · Other EventsOct 29, 2026
  2. 144 filingAug 31, 2026
  3. 4 filingAug 31, 2026
  4. 144 filingAug 28, 2026
  5. 144 filingAug 27, 2026

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