NETSCOUT CFO granted RSUs and performance units

NETSCOUT Systems Executive Vice President and Chief Financial Officer Anthony John Piazza reported compensation-related equity grants rather than market trades.

Rhea-AI Filing Summary

NETSCOUT Systems Executive Vice President and Chief Financial Officer Anthony John Piazza reported compensation-related equity grants rather than market trades. He received 12,000 performance stock units and 18,000 restricted stock units, each representing rights to NETSCOUT common stock at no cash exercise price.

The restricted stock units vest in four equal annual installments, starting on May 28, 2027. The performance stock units can vest from 0% to 100% based on the Compensation Committee’s assessment of relative total shareholder return over a 36‑month period from May 28, 2026 through May 27, 2029.

Insider Trade Summary

Grant/Award: 30,000 shares

Grant/Award 2 txns

Insider Piazza Anthony John

Role EVP & Chief Financial Officer

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Unit	18,000	$0.00	$0.00
Grant/Award	Performance Stock Unit	12,000	$0.00	$0.00

Holdings After Transaction: Restricted Stock Unit — 45,200 contracts (Direct); Performance Stock Unit — 24,000 contracts (Direct)

Footnotes (4)

1. F1. Price is N/A.
2. F2. The restricted stock units vest in four equal annual installments with the first installment vesting on May 28, 2027.
3. F3. Date is N/A.
4. F4. The performance stock units shall vest in a range of 0% to 100% upon the determination of the Compensation Committee of the Board of the attainment of the required relative total shareholder return over the 36-month period commencing on May 28, 2026, and ending on May 27, 2029.

Key Figures

Performance stock units granted: 12,000 units Restricted stock units granted: 18,000 units Performance stock units after grant: 24,000 units +4 more

7 metrics

Performance stock units granted 12,000 units Grant to CFO on May 28, 2026

Restricted stock units granted 18,000 units Grant to CFO on May 28, 2026

Performance stock units after grant 24,000 units Holdings following transaction

Restricted stock units after grant 45,200 units Holdings following transaction

RSU vesting schedule 4 equal annual installments First installment vests May 28, 2027

PSU performance period 36-month period From May 28, 2026 to May 27, 2029

PSU vesting range 0% to 100% Based on relative total shareholder return

Key Terms

Performance Stock Unit, Restricted Stock Unit, relative total shareholder return, Compensation Committee

4 terms

Performance Stock Unit financial

"security_title: "Performance Stock Unit"; underlying security is Common Stock"

A performance stock unit is a type of reward companies give to employees, usually managers, that depends on how well the company performs over time. If the company hits specific goals, the employee earns shares of stock, like earning a prize for reaching certain levels in a game. It motivates employees to work hard because their rewards are tied to the company's success.

Restricted Stock Unit financial

"security_title: "Restricted Stock Unit"; vests in four equal annual installments"

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

relative total shareholder return financial

"required relative total shareholder return over the 36-month period"

Relative total shareholder return measures how much an investor’s gain from a company — including stock price changes and dividends — beats or lags a chosen benchmark or peer group over a set time. Think of it as a race: it shows whether the company outpaced rivals or the market, which helps investors and boards judge performance, compare returns fairly, and link results to pay or investment decisions.

Compensation Committee financial

"determination of the Compensation Committee of the Board"

A compensation committee is a group within a company's leadership responsible for setting and reviewing how much top executives and employees are paid, including salaries, bonuses, and benefits. It matters to investors because fair and effective pay decisions can influence a company's performance, leadership motivation, and overall governance, helping ensure that the company’s management is aligned with shareholders’ interests.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/29/2026 - 04:40 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Piazza Anthony John

(Last) (First) (Middle)

C/O NETSCOUT SYSTEMS, INC.

310 LITTLETON ROAD

(Street)

WESTFORD MASSACHUSETTS 01886

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
NETSCOUT SYSTEMS INC [ NTCT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP & Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/28/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Unit	(1)	05/28/2026		A		18,000		(2)	(3)	Common Stock	18,000	(1)	45,200	D
Performance Stock Unit	(1)	05/28/2026		A		12,000		(4)	(3)	Common Stock	12,000	(1)	24,000	D

Explanation of Responses:

1. Price is N/A.

2. The restricted stock units vest in four equal annual installments with the first installment vesting on May 28, 2027.

3. Date is N/A.

4. The performance stock units shall vest in a range of 0% to 100% upon the determination of the Compensation Committee of the Board of the attainment of the required relative total shareholder return over the 36-month period commencing on May 28, 2026, and ending on May 27, 2029.

	/s/ Anthony Piazza	05/29/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)