Live feed21:30:32·468dINSIDERFilingvia QuantisnowOfficer Wang David H sold $3,546,554 worth of shares (131,250 units at $27.02), decreasing direct ownership by 16% to 672,708 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ACMR· ACM Research Inc.TechnologyOriginal source