Live feed17:02:18·8mINSIDERFilingvia QuantisnowPresident and CEO Graves Jeffrey A covered exercise/tax liability with 39,959 shares, decreasing direct ownership by 3% to 1,274,282 units (SEC Form 4) to satisfy withholding obligationByQuantisnow·Wall Street's wire, on your screen.DDD· 3D Systems CorporationTechnologyOriginal source