InsiderTrades

Form 4 for MPLX MPLX LP

Accepted 2026-03-03 00:00:00 ET · period of report 2026-03-01 · accession 0001948454-26-000004 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
M 2026-03-03 2026-03-02 MPLX Lyon Shawn M Senior VP, Log, Storage F - Tax $59.22 -2,751 28.3K -9% -$162.9K
2026-03-03 2026-03-01 MPLX Lyon Shawn M Senior VP, Log, Storage A - Grant $0.00 +5,986 31.0K +24% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Units (Limited Partner Interests) 2026-03-02 F D 920 $59.22 30,120 D — —
2 Common Common Units (Limited Partner Interests) 2026-03-02 F D 1,033 $59.22 29,087 D — —
3 Common Common Units (Limited Partner Interests) 2026-03-02 F D 798 $59.22 28,289 D — —
4 Common Common Units (Limited Partner Interests) 2026-03-01 A A 5,986 $0.00 31,040 D — —