| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Watt Eric Todd | Chief Accounting Officer | C/O NETSCOUT SYSTEMS, INC., 310 LITTLETON ROAD, WESTFORD | /s/ Eric Watt | 28 Jan 2026 | 0002069294 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NTCT | Common Stock | Options Exercise | +3,750 | 3,750 | 27 Jan 2026 | Direct | F1, F2 | |||
| transaction | NTCT | Common Stock | Tax liability | $36,342 | -1,304 | -35% | $27.87 | 2,446 | 27 Jan 2026 | 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 | -3,750 | -25% | 11,250 | 27 Jan 2026 | Common Stock | 3,750 | 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 January 26, 2026. |
| F5 | Date is N/A. |