Live feed17:51:07·277dINSIDERFilingvia QuantisnowEVP, Engineering & Operations Zuiker Joseph R. covered exercise/tax liability with 6,733 shares, decreasing direct ownership by 3% to 204,409 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.DDD· 3D Systems CorporationTechnologyOriginal source