Live feed16:31:24·178dINSIDERFilingvia QuantisnowEVP, Engineering & Operations Zuiker Joseph R. covered exercise/tax liability with 5,212 shares, decreasing direct ownership by 3% to 199,197 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.DDD· 3D Systems CorporationTechnologyOriginal source