Live feed16:15:42·45dINSIDERFilingvia QuantisnowEVP, World-Wide Sales Downing John converted options into 5,400 shares and covered exercise/tax liability with 1,588 shares, increasing direct ownership by 3% to 133,306 units (SEC Form 4) (withholding tax)ByQuantisnow·Wall Street's wire, on your screen.NTCT· NetScout Systems Inc.TechnologyOriginal source