| Shawn M Lyon | SVP Log & Storage, MPLX GP LLC | Sale | 2026-08-31 | 1,000 | $376K |
| Shawn M Lyon | SVP Log & Storage, MPLX GP LLC | Sale | 2026-08-28 | 425 | $157K |
| Erin M Brzezinski | VP and Controller | Sale | 2026-08-27 | 570 | $207K |
| Molly R Benson | Chief Legal Ofc & Corp Sec | Sale | 2026-08-17 | 17,196 | $6.2M |
| Shawn M Lyon | SVP Log & Storage, MPLX GP LLC | Sale | 2026-08-13 | 2,500 | $875K |
| Michael A Henschen II | Ex VP, Refining | Sale | 2026-08-12 | 6,011 | $2.1M |
| Maryann T. Mannen | Chairman, President & CEO | Tax Withhold | 2026-08-03 | 908 | $283K |
| Michael A Henschen II | Ex VP, Refining | Sale | 2026-06-04 | 6,336 | $1.7M |
| Ricky D. Hessling | Chief Commercial Officer | Sale | 2026-05-13 | 1,000 | $250K |
| Ricky D. Hessling | Chief Commercial Officer | Sale | 2026-03-13 | 1,626 | $371K |
| Ricky D. Hessling | Chief Commercial Officer | Sale | 2026-03-12 | 1,037 | $238K |
| Ricky D. Hessling | Chief Commercial Officer | Sale | 2026-03-11 | 1,810 | $407K |
| Gregory Scott Floerke | Ex VP & COO, MPLX GP LLC | Tax Withhold | 2026-03-02 | 807 | $166K |
| Maryann T. Mannen | Chairman, President & CEO | Tax Withhold | 2026-03-02 | 3,966 | $818K |
| Shawn M Lyon | SVP Log & Storage, MPLX GP LLC | Tax Withhold | 2026-03-02 | 773 | $159K |
| Ricky D. Hessling | Chief Commercial Officer | Tax Withhold | 2026-03-02 | 786 | $162K |
| Michael A Henschen II | Ex VP, Refining | Tax Withhold | 2026-03-02 | 481 | $99K |