Live feed17:22:01·289dINSIDERFilingvia QuantisnowGeneral Counsel Chen Stephen C. sold $421,816 worth of shares (1,282 units at $329.03), decreasing direct ownership by 4% to 34,153 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.DUOL· Duolingo Inc.TechnologyOriginal source