Live feed21:30:25·463dINSIDERFilingvia QuantisnowDirector Hu Chenming sold $4,899,240 worth of shares (163,308 units at $30.00), decreasing direct ownership by 62% to 100,002 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ACMR· ACM Research Inc.TechnologyOriginal source