InsiderTrades

Form 4 for MPLX MPLX LP

Accepted 2026-05-19 16:14:20 ET · period of report 2026-05-15 · accession 0001193125-26-230777 · 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
2026-05-19 16:14 2026-05-15 MPLX SEMPLE FRANK M Dir A - Grant $0.00 +1,194 61.9K +2% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Units (Limited Partner Interests) 2026-05-15 A A 1,194.07 $0.00 61,945.95 D — —