14 transactions on file, per SEC Form 4 filings.
See MPLX superinvestor activity →Peiffer Garry L.
director · 2026-08-14
Award
1,232.166 sh
Walker Ray N JR
director · 2026-08-14
Award
81.939 sh
SURMA JOHN P
director · 2026-08-14
Award
1,563.427 sh
STICE J MICHAEL
director · 2026-08-14
Award
982.715 sh
SEMPLE FRANK M
director · 2026-08-14
Award
1,072.719 sh
HELMS CHRISTOPHER A
director · 2026-08-14
Award
1,336.963 sh
Breves Christine S
director · 2026-08-14
Award
218.82 sh
Walker Ray N JR
director · 2026-04-30
Award
2,696.387 sh
SURMA JOHN P
director · 2026-04-30
Award
3,028.941 sh
STICE J MICHAEL
director · 2026-04-30
Award
3,028.941 sh
SEMPLE FRANK M
director · 2026-04-30
Award
3,028.941 sh
Peiffer Garry L.
director · 2026-04-30
Award
2,696.387 sh
HELMS CHRISTOPHER A
director · 2026-04-30
Award
2,696.387 sh
Breves Christine S
director · 2026-04-30
Award
2,696.387 sh
Each row links to the underlying SEC filing. Sells are shown for transparency, not as a signal — see the insider trading article for why.
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