Live feed17:32:59·445dINSIDERFilingvia QuantisnowOfficer Gaskill Christopher Burke returned $2,346,382 worth of shares to the company (44,693 units at $52.50), closing all direct ownership in the company (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.SUM· Summit Materials Inc.IndustrialsOriginal source