InsiderTrades

Form 4 for MPLX MPLX LP

Accepted 2026-03-03 00:00:00 ET · period of report 2026-03-01 · accession 0002005019-26-000004 · 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 Benson Molly R Chief Legal Ofc, Corp Sec F - Tax $59.22 -2,852 48.4K -6% -$168.9K
2026-03-03 2026-03-01 MPLX Benson Molly R Chief Legal Ofc, Corp Sec A - Grant $0.00 +8,803 49.0K +22% $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 1,240 $59.22 47,112 D — —
2 Common Common Units (Limited Partner Interests) 2026-03-02 F D 998 $59.22 46,114 D — —
3 Common Common Units (Limited Partner Interests) 2026-03-02 F D 614 $59.22 48,352 D — —
4 Common Common Units (Limited Partner Interests) 2026-03-01 A A 8,803 $0.00 48,966 D — —