Live feed16:12:14·322dINSIDERFilingvia QuantisnowPresident & CEO Mannen Maryann T. covered exercise/tax liability with 908 shares, decreasing direct ownership by 0.89% to 100,547 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.MPC· Marathon Petroleum CorporationEnergyOriginal source