Live feed17:50:52·445dINSIDERFilingvia QuantisnowDirector Ellerbusch Susan A returned $1,227,765 worth of shares to the company (23,386 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