Live feed16:37:43·279dINSIDERFilingvia QuantisnowGeneral Counsel Chen Stephen C. sold $486,860 worth of shares (1,515 units at $321.36), decreasing direct ownership by 4% to 32,638 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.DUOL· Duolingo Inc.TechnologyOriginal source