Live feed21:30:20·464dINSIDERFilingvia QuantisnowDirector Dun Haiping sold $275,976 worth of shares (9,518 units at $29.00), decreasing direct ownership by 1% to 755,090 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ACMR· ACM Research Inc.TechnologyOriginal source