Live feed16:30:53·576dINSIDERFilingvia QuantisnowDirector Dun Haiping sold $286,800 worth of shares (15,000 units at $19.12), decreasing direct ownership by 2% to 774,148 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ACMR· ACM Research Inc.TechnologyOriginal source