0001181431-11-036127.txt : 20110610 0001181431-11-036127.hdr.sgml : 20110610 20110610170114 ACCESSION NUMBER: 0001181431-11-036127 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110608 FILED AS OF DATE: 20110610 DATE AS OF CHANGE: 20110610 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: SOMMERS DAVID P CENTRAL INDEX KEY: 0001232882 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-26251 FILM NUMBER: 11906316 MAIL ADDRESS: STREET 1: 310 LITTETON ROAD CITY: WESTFORD STATE: MA ZIP: 01886 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: NETSCOUT SYSTEMS INC CENTRAL INDEX KEY: 0001078075 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN [7373] IRS NUMBER: 042837575 STATE OF INCORPORATION: DE FISCAL YEAR END: 0331 BUSINESS ADDRESS: STREET 1: 310 LITTLETON ROAD CITY: WESTFORD STATE: MA ZIP: 01886 BUSINESS PHONE: 978-614-4000 MAIL ADDRESS: STREET 1: 310 LITTLETON ROAD CITY: WESTFORD STATE: MA ZIP: 01886 4 1 rrd315058.xml FORM 4 X0303 4 2011-06-08 0 0001078075 NETSCOUT SYSTEMS INC NTCT 0001232882 SOMMERS DAVID P C/O NETSCOUT SYSTEMS, INC. 310 LITTLETON ROAD WESTFORD MA 01886 0 1 0 0 CFO & SVP General Operations Common Stock 2011-06-08 4 M 0 8500 A 178339 D Common Stock 2011-06-08 4 F 0 2699 20.24 D 175640 D Restricted Stock Unit 2011-06-08 4 M 0 8500 D 2011-06-08 Common Stock 8500 51003 D The shares of Common Stock were acquired upon the vesting of certain Restricted Stock Units previously granted to the reporting person. Price is N/A. The shares of Common Stock were withheld by the Company to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units. The withheld shares were returned to treasury. Represents the closing price of the Company's Common Stock on June 7, 2011. 2,500 of these shares are held by trust in which the reporting person has a pecuniary interest. Date is N/A. /s/ David P. Sommers 2011-06-10