-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, L7kJX16mNuTAkbG59mC8XZKDxpkfqRfC8wJwfS1aVK9HtuwZ5h40fPYWFr6naII8 R0FA+8xJMUu5RTpOyQk9SQ== 0001181431-10-005218.txt : 20100128 0001181431-10-005218.hdr.sgml : 20100128 20100128195250 ACCESSION NUMBER: 0001181431-10-005218 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20100126 FILED AS OF DATE: 20100128 DATE AS OF CHANGE: 20100128 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: 10555385 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 rrd264206.xml FORM 4 X0303 4 2010-01-26 0 0001078075 NETSCOUT SYSTEMS INC NTCT 0001232882 SOMMERS DAVID P 310 LITTLETON ROAD WESTFORD MA 01886 0 1 0 0 CFO & VP General Operations Common Stock 2010-01-26 4 M 0 4757 A 116659 D Common Stock 2010-01-26 4 F 0 1806 14.66 D 114853 D Common Stock 2010-01-26 4 M 0 10000 4.22 A 124853 D Common Stock 2010-01-26 4 S 0 10000 14.619 D 114853 D Common Stock 2010-01-27 4 M 0 10000 4.22 A 124853 D Common Stock 2010-01-27 4 S 0 10000 14.3508 D 114853 D Restricted Stock Unit 2010-01-26 4 M 0 4757 D 2010-01-26 Common Stock 4757 52500 D Employee Stock Options (Right to Buy) 4.22 2010-01-26 4 M 0 10000 0 D 2010-04-25 Common Stock 10000 50000 D Employee Stock Options (Right to Buy) 4.22 2010-01-27 4 M 0 10000 0 D 2010-04-25 Common Stock 10000 40000 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 to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units. Represents the opening price of the Company's Common Stock on the date such grant vested, which was January 24, 2010. Because such date occurred during the Company's blackout period, such shares were not actually issued until the Company's blackout period ended, which was January 26, 2010. Option was exercised and related Common stock was sold pursuant to a 10b5-1 plan. The shares sold on this date were sold in multiple transactions. This price is the weighted average sales price per share; the actual sales price per share ranged from $14.48 to $14.78. The shares sold on this date were sold in multiple transactions. This price is the weighted average sales price per share; the actual sales price per share ranged from $14.23 to $14.45. 2,500 of these shares are held by a trust in which the reporting person has a pecuniary interest. Date is N/A. The initial portion of the option grant initially became exercisable on June 13, 2004 and the remainder vested in equal quarterly installments thereafter. /s/ David P. Sommers 2010-01-28 -----END PRIVACY-ENHANCED MESSAGE-----