0001181431-11-025643.txt : 20110427 0001181431-11-025643.hdr.sgml : 20110427 20110427170054 ACCESSION NUMBER: 0001181431-11-025643 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110425 FILED AS OF DATE: 20110427 DATE AS OF CHANGE: 20110427 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: 11784370 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 rrd309524.xml FORM 4 X0303 4 2011-04-25 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 Restricted Stock Unit 2011-04-25 4 A 0 8000 A Common Stock 8000 59503 D Price is N/A. The restricted stock units vest in four equal annual installments beginning on April 25, 2012. Date is N/A. /s/ David P. Sommers 2011-04-27