Key facts
- This page summarizes Frank M. Semple's Form 4 filing for Marathon Petroleum Corp (MPC).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 04 May 2026, 16:56.
Frank M. Semple - 30 Apr 2026 Form 4 Insider Report for Marathon Petroleum Corp (MPC)
- Reporting relationship
- Director
- Issuer ticker
- MPC
- Reported as of
- 30 Apr 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 04 May 2026, 16:56:59 UTC
- Prior SEC filing
- 19 Feb 2026
- Next SEC filing
- 19 May 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Molly R. Benson, Attorney-in-Fact for Frank M. Semple
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Frank M. Semple filed Form 4 for Marathon Petroleum Corp (MPC) on 04 May 2026.
Change
- Previous filing in this sequence was filed on 19 Feb 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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001270065
Primary reporting owner
SEMPLE FRANK M
- Relationship
- Director
- Address
- C/O MARATHON PETROLEUM CORPORATION, 539 S. MAIN STREET, FINDLAY
- Signature
- /s/ Molly R. Benson, Attorney-in-Fact for Frank M. Semple
- Signature date
- 04 May 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
MPC
transaction
Common Stock
Award
- Transaction value
- Shares
- +728
- Change %
- +5.2%
- Price
- $0.000000*
- Shares after
- 14,720
- Date
- 30 Apr 2026
- Ownership
- Direct
- Footnotes
- F1, F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 2 footnotes
Footnote F1
Represents the reporting person's annual 2026 equity retainer award.
Footnote F2
Includes 282.886 shares acquired pursuant to dividend reinvestment and not previously reported pursuant to Rule 16a-11.