Live feed17:28:42·469dINSIDERFilingvia QuantisnowOfficer Anderson Karli S. was granted 7,587 shares and covered exercise/tax liability with 2,318 shares, increasing direct ownership by 12% to 48,285 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.SUM· Summit Materials Inc.IndustrialsOriginal source