Live feed21:30:20·18mINSIDERFilingvia QuantisnowOfficer Mckechnie Mark exercised 55,199 shares at a strike of $16.95 and sold $4,264,971 worth of shares (55,199 units at $77.27) 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