Live feed19:16:24·501dINSIDERFilingvia QuantisnowOfficer Depriest Charles converted options into 305 shares and covered exercise/tax liability with 138 shares, increasing direct ownership by 1% to 11,473 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.SUM· Summit Materials Inc.IndustrialsOriginal source