Live feed12:48:01·57dINSIDERFilingvia QuantisnowCHIEF PRODUCT OFFICER Douglass Brian Robb covered exercise/tax liability with 221 shares, decreasing direct ownership by 3% to 8,319 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.RGEN· Repligen CorporationHealth CareOriginal source