Maryann T. Mannen - 03 Aug 2026 Form 4 Insider Report for Marathon Petroleum Corp (MPC)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
04 Aug 2026, 16:39:10 UTC
Prior SEC filing
15 Jun 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Molly R. Benson, Attorney-in-Fact for Maryann T. Mannen

Key filing fact

Maryann T. Mannen filed Form 4 for Marathon Petroleum Corp (MPC) on 04 Aug 2026.

Key facts

  • This page summarizes Maryann T. Mannen's Form 4 filing for Marathon Petroleum Corp (MPC).
  • 1 reported transaction and 0 derivative rows are listed below.
  • Accepted by SEC: 04 Aug 2026, 16:39.

Change

  • Previous filing in this sequence was filed on 15 Jun 2026.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001408964 Primary reporting owner

Mannen Maryann T.

Relationship
Chairman, President & CEO, Director
Address
C/O MARATHON PETROLEUM CORPORATION, 539 S. MAIN STREET, FINDLAY
Signature
/s/ Molly R. Benson, Attorney-in-Fact for Maryann T. Mannen
Signature date
04 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MPC transaction

Common Stock

Tax liability

Transaction value
Shares
-908
Change %
-0.81%
Price
$311.78*
Shares after
110,939
Date
03 Aug 2026
Ownership
Direct
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

SEC remarks

Chairman of the Board, President and Chief Executive Officer

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