| Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | 1,000Common Stock | — | Sell | |
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| Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | 425Common Stock | — | Sell | |
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| Brzezinski Erin M | VP and Controller | 570Common Stock | — | Sell | |
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| Benson Molly R | Chief Legal Ofc & Corp Sec | 12,196Common Stock | — | Sell | |
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| Benson Molly R | Chief Legal Ofc & Corp Sec | 12,196Common Stock | — | Option exercise | |
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| Lyon Shawn M | SVP Log & Storage, MPLX GP LLC | 2,500Common Stock | — | Sell | |
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| Henschen Michael A II | Ex VP, Refining | 6,011Common Stock | — | Sell | |
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| Mannen Maryann T. | Chairman, President & CEO | 908Common Stock | — | Tax withholding | |
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| Henschen Michael A II | Ex VP, Refining | 6,336Common Stock | — | Sell | |
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| Henschen Michael A II | Ex VP, Refining | 4,964Common Stock | — | Option exercise | |
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