Live feed16:32:23·569dINSIDERFilingvia QuantisnowDirector Dun Haiping sold $332,181 worth of shares (19,058 units at $17.43), 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