InsiderTrades

Form 4 for MPLX MPLX LP

Accepted 2026-03-03 00:00:00 ET · period of report 2026-03-01 · accession 0001313785-26-000004 · 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
2026-03-03 2026-03-01 MPLX Floerke Gregory Scott EVP, COO A - Grant $0.00 +5,986 98.2K +6% $0
M 2026-03-03 2026-03-02 MPLX Floerke Gregory Scott EVP, COO F - Tax $59.22 -2,892 97.2K -3% -$171.3K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Units (Limited Partner Interests) 2026-03-01 A A 5,986 $0.00 98,229 D — —
2 Common Common Units (Limited Partner Interests) 2026-03-02 F D 797 $59.22 95,337 D — —
3 Common Common Units (Limited Partner Interests) 2026-03-02 F D 1,100 $59.22 96,134 D — —
4 Common Common Units (Limited Partner Interests) 2026-03-02 F D 995 $59.22 97,234 D — —