Live feed16:47:41·717dINSIDERFilingvia QuantisnowKilgore Jason exercised 50,589 shares at a strike of $18.00 and sold $2,033,951 worth of shares (50,589 units at $40.21) (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.SUM· Summit Materials Inc.IndustrialsOriginal source