Live feed17:00:11·377dINSIDERFilingvia QuantisnowEVP, World-Wide Sales Downing John covered exercise/tax liability with 1,591 shares and converted options into 5,400 shares, increasing direct ownership by 3% to 135,923 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.NTCT· NetScout Systems Inc.TechnologyOriginal source