| 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 |
| 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 |
| 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 |
| 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. |