Live feed16:15:22·490dINSIDERFilingvia QuantisnowOfficer Loomes David converted options into 21,401 shares and covered exercise/tax liability with 9,452 shares, increasing direct ownership by 66% to 29,918 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.SUM· Summit Materials Inc.IndustrialsOriginal source