Live feed17:27:01·469dINSIDERFilingvia QuantisnowOfficer Gaskill Christopher Burke was granted 8,491 shares and covered exercise/tax liability with 3,850 shares, increasing direct ownership by 12% to 44,693 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.SUM· Summit Materials Inc.IndustrialsOriginal source