Insider Transactions Reported by 22 Insiders of MPLX LP

Symbol
MPLX on NYSE, MPLXP on OTC
Location
Findlay, OH

Insiders trading volume in the past year

MPLX LP executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
FRANK M. SEMPLE Director $28,715,688 14 Nov 2025
Michael J. Hennigan Executive Chairman, Director $19,698,664 12 Dec 2025
Maryann T. Mannen President & CEO, Director $10,224,918 01 Mar 2025
Garry L. Peiffer Director $6,615,533 14 Nov 2025
Gregory S. Floerke Exec. VP and COO $5,059,528 12 Dec 2025
DAN D. SANDMAN Director $4,669,330 03 Apr 2023
John J. Quaid Director $4,578,267 01 Mar 2025
JOHN P. SURMA Director $4,240,103 14 Nov 2025
CHRISTOPHER A. HELMS Director $3,860,262 14 Nov 2025
Donald C. Templin Director $3,644,080 19 Nov 2021
J. MICHAEL STICE Director $2,492,856 14 Nov 2025
Suzanne Gagle General Counsel $2,460,375 01 Dec 2023
Molly R. Benson Chief Legal Ofc & Corp Sec $2,202,940 12 Dec 2025
Pamela K.M. Beall Director $1,949,372 09 Dec 2021
CARL KRISTOPHER HAGEDORN Exec VP & Chief Fin Ofc, Director $1,678,676 01 Mar 2025
Shawn M. Lyon Senior VP, Log. & Storage $1,374,211 +$211,000 +18.1% 12 Dec 2025
Timothy J. Aydt Exec. VP and Chief Comm Ofc. $1,258,322 01 Mar 2022
Thomas Kaczynski Senior VP, Finance & Treasurer $662,312 02 Dec 2022
Christine S. Breves Director $447,982 14 Nov 2025
Rebecca L. Iten VP and Controller $13,782 03 Mar 2025
Kelly D. Wright VP and Controller 01 Sep 2021
Ray N. Walker JR Director 14 Nov 2025

Recent Insider Transactions by Companies or Individuals for MPLX LP

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