Live feed16:28:41·427dINSIDERFilingvia QuantisnowSenior VP, R&D Kuriyel Ralf covered exercise/tax liability with 391 shares, decreasing direct ownership by 3% to 11,622 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.RGEN· Repligen CorporationHealth CareOriginal source