Frank M. Semple - Insider Trading & Ownership

Location
1515 Arapahoe St., Tower 2, Suite 700, Denver, CO
Summary
The estimated net worth of Frank M. Semple is at least $30.5M dollars as of August 19, 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
All Insider Reports
All Insider Reports

Ownership of Frank M. Semple

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
MPLX, MPLXP MPLX LP Director $28.7M Aug 15, 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.