JOHN DOWNING - 26 Oct 2025 Form 4 Insider Report for NETSCOUT SYSTEMS INC (NTCT)

Signature
/s/ Jeff Levinson, Attorney-in-Fact
Issuer symbol
NTCT
Transactions as of
26 Oct 2025
Net transactions value
-$53,378
Form type
4
Filing time
28 Oct 2025, 16:15:30 UTC
Previous filing
12 Aug 2025
Next filing
03 Nov 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
DOWNING JOHN EVP, World-Wide Sales C/O NETSCOUT SYSTEMS, INC., 310 LITTLETON ROAD, WESTFORD /s/ Jeff Levinson, Attorney-in-Fact 28 Oct 2025 0001232878

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NTCT Common Stock Options Exercise +6,750 +4.9% 143,482 26 Oct 2025 Direct F1, F2
transaction NTCT Common Stock Tax liability $53,378 -1,988 -1.4% $26.85 141,494 26 Oct 2025 Direct F3, F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction NTCT Restricted Stock Unit Options Exercise -6,750 -11% 55,350 26 Oct 2025 Common Stock 6,750 Direct F2, F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.
F2 The price is N/A.
F3 The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.
F4 Represents the closing price of the Company's Common Stock on October 24, 2025.
F5 Date is N/A.