Live feed13:11:31·56dINSIDERFilingvia QuantisnowVP - Masco Operating Sys. Marshall Richard Allan covered exercise/tax liability with 515 shares, decreasing direct ownership by 3% to 17,496 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.MAS· Masco CorporationIndustrialsOriginal source