Live feed16:30:17·660dINSIDERFilingvia QuantisnowDirector Dun Haiping sold $345,274 worth of shares (19,097 units at $18.08), decreasing direct ownership by 2% to 755,090 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ACMR· ACM Research Inc.TechnologyOriginal source