4processed

Form 4 — Insider Transaction

MPLX LP(MPLXP)

Filing Date

May 15, 2026

Accepted

May 15, 2026

Accession No.

0001193125-26-230788

CIK

0001552000

Insider Transactions

InsiderTitleTypeSharesPriceValueOwned AfterSecurityDate
STICE J MICHAELOther1.1K$057.0KCommon Units (Limited Partner Interests)May 15, 2026