SOMMERS DAVID P 4

4 · NETSCOUT SYSTEMS INC · Filed Feb 8, 2012

Form 4

Period: 2012-02-06

CFO & VP General Operations

Transactions

Exercise/Conversion
Common Stock
2012-02-07$4.22/sh+25,000$105,500→ 212,416 total
Exercise/Conversion
Common Stock
2012-02-06+17,500→ 193,140 total
Tax Payment
Common Stock
2012-02-06$20.93/sh−5,724$119,803→ 187,416 total
Exercise/Conversion
Restricted Stock Unit
2012-02-06−17,500→ 53,663 total
From: 2012-02-06→ Common Stock (17,500 underlying)
Sale
Common Stock
2012-02-07$21.12/sh−25,000$528,000→ 187,416 total
Exercise/Conversion
Employee Stock Options (Right to Buy)
2012-02-07−25,000→ 0 total
Exercise: $4.22Exp: 2012-07-17→ Common Stock (25,000 underlying)

Footnotes (9)

[F1]The shares of Common Stock were acquired upon the vesting of certain Restricted Stock Units previously granted to the reporting person.
[F2]Price is N/A.
[F3]2,500 of these shares are held by a trust in which the reporting person has a pecuniary interest.
[F4]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.
[F5]Represents the closing price of the Company's Common Stock on February 3, 2012.
[F6]Option was exercised and related Common stock was sold pursuant to a 10b5-1 plan.
[F7]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 $20.98 to $21.22.
[F8]Date is N/A.
[F9]Option vested over three years in equal quarterly installments. The initial portion of the option grant initially became exercisable on September 13, 2003, and the remainder vested in equal quarterly installments thereafter.

Documents

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