Live feed17:01:29·9mINSIDERFilingvia QuantisnowEVP & Chief Technology Officer Hull Charles W covered exercise/tax liability with 4,943 shares, decreasing direct ownership by 3% to 181,622 units (SEC Form 4) to cover withholding taxByQuantisnow·Wall Street's wire, on your screen.DDD· 3D Systems CorporationTechnologyOriginal source