Live feed16:54:26·2hINSIDERFilingvia QuantisnowSenior Management Wang Chia Yuan sold $138,898 worth of Preferred shares (30,935 units at $4.49), closing all direct ownership in the company (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.GGB· Gerdau S.A.IndustrialsOriginal source