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Insider Trading & Ownership of Frank M. Semple

Location
Denver, CO
Summary
The estimated net worth of Frank M. Semple is at least $30.5M dollars as of November 18, 2025. Frank M. Semple is the Director of MPLX LP and owns shares of MPLX LP (MPLX) stock worth about $28.7M. Frank M. Semple is the Director of Marathon Petroleum Corp and owns shares of Marathon Petroleum Corp (MPC) stock worth about $1.8M.
Signature
/s/ Molly R. Benson, Attorney-in-Fact for Frank M. Semple
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Ownership of Frank M. Semple

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
MPLX, MPLXP MPLX LP Director $28.7M Nov 14, 2025
MPC Marathon Petroleum Corp Director $1.8M May 1, 2025

Insider Transactions Reported by Frank M. Semple:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.