Live feed21:00:09·198dINSIDERFilingvia QuantisnowOfficer Mckechnie Mark exercised 31,250 shares at a strike of $19.60 and sold $1,091,507 worth of shares (31,250 units at $34.93) (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ACMR· ACM Research Inc.TechnologyOriginal source