Live feed16:39:29·6dINSIDERFilingvia QuantisnowCEO and Board Member Da Cunha Gustavo Werneck bought $781,510 worth of Preferred shares (165,224 units at $4.73) (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.GGB· Gerdau S.A.IndustrialsOriginal source