Live feed16:54:46·827dINSIDERFilingvia QuantisnowNew insider Grupo Argos S.A. claimed ownership of 54,720,000 shares and claimed ownership of 1 units of Series A Non-Convertible Preferred Stock (SEC Form 3) (Amendment)ByQuantisnow·Wall Street's wire, on your screen.SUM· Summit Materials Inc.IndustrialsOriginal source