MPLX LP insider trading

MPLXNYSE

$56.38+0.03 (+0.05%)as of Oct 2, 2026

“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.” — Peter Lynch

Insider Trading vs Stock Price data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+13.9%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Open market purchase

Open market sell

Marker size reflects transaction size.

Net dollar flow · Buy / Sell balance

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Key players

FMFrank M. SempleDirectorNot reportedof company
MJMichael J. HenniganExecutive ChairmanNot reportedof company
MTMaryann T. MannenChairman, President & CEONot reportedof company
GLGarry L. PeifferDirectorNot reportedof company
JPJohn P. SurmaDirectorNot reportedof company
GSGregory Scott FloerkeExec. VP and COONot reportedof company
CAChristopher A. HelmsDirectorNot reportedof company
JMJ. Michael SticeDirectorNot reportedof company
JJJohn J. QuaidDirectorNot reportedof company
MRMolly R. BensonChief Legal Ofc & Corp SecNot reportedof company

AI Activity Analysis

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Insider activity

Fromto

Company	Insider / role	Action	ΔOwn	Avg price	Amount
No qualifying insider activity was found for the selected filters.

End of history · 0 transactions