Live feed16:30:14·46mINSIDERFilingvia QuantisnowDirector Dun Haiping exercised 5,000 shares at a strike of $5.60 and sold $405,670 worth of shares (5,000 units at $81.13) as part of a pre-agreed trading plan (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ACMR· ACM Research Inc.TechnologyOriginal source