NetScout CEO Singhal acquires 13,500 shares on vesting

The vesting was accompanied by withholding 6,485 common shares for Singhal’s tax obligation.

Rhea-AI Filing Summary

NETSCOUT Systems Inc. President & CEO Anil K. Singhal had 13,500 restricted stock units vest on October 26, 2026, resulting in acquisition of 13,500 common shares. A further 6,485 common shares were withheld to satisfy his tax withholding obligation; the reported $39.67 represents the common stock’s closing price on October 23, 2026. The remaining restricted stock unit balance was 108,000. The report also lists 1,443,960 common shares held by various trusts for the benefit of Singhal and his spouse.

Insider Trade Summary

13,500 shares exercised/converted

Exercise 4 txns

Insider SINGHAL ANIL K

Role President & CEO

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit F2, F6, F7	13,500	--	--
Exercise	Common Stock F1, F2	13,500	--	--
Tax Withholding	Common Stock F3, F4	6,485	$39.67	$257K
holding	Common Stock F5	--	--	--

Holdings After Transaction: Restricted Stock Unit — 108,000 contracts (Direct); Common Stock — 462,049 shares (Direct); Common Stock — 1,443,960 shares (Indirect, See Footnote)

Footnotes (7)

1. F1. The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.
2. F2. Price is N/A.
3. F3. The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.
4. F4. Represents the closing price of the Company's Common Stock on October 23, 2026.
5. F5. The shares of Common Stock are beneficially owned by various trusts for the benefit of the reporting person and his spouse.
6. F6. October 26, 2026
7. F7. Date is N/A.

Key Figures

Restricted stock units vested: 13,500 restricted stock units Common shares acquired: 13,500 shares Shares withheld for tax obligation: 6,485 shares +3 more

6 metrics

Restricted stock units vested 13,500 restricted stock units October 26, 2026

Common shares acquired 13,500 shares Upon vesting on October 26, 2026

Shares withheld for tax obligation 6,485 shares October 26, 2026

Closing price $39.67 per share October 23, 2026

Restricted stock units remaining 108,000 restricted stock units Following the October 26, 2026 transaction

Shares held by trusts 1,443,960 common shares Held by various trusts for the benefit of Anil K. Singhal and his spouse

Key Terms

restricted stock units, tax withholding obligation, beneficially owned

3 terms

restricted stock units financial

"upon the vesting of certain restricted stock units previously granted"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax withholding obligation financial

"to satisfy the reporting person's tax withholding obligation"

beneficially owned financial

"shares of Common Stock are beneficially owned by various trusts"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many NTCT shares did Anil K. Singhal receive and have withheld?

Anil K. Singhal acquired 13,500 common shares when his restricted stock units vested on October 26, 2026, and 6,485 shares were withheld for his tax obligation. The $39.67 figure was the common stock’s closing price on October 23, 2026.

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

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Available on EDGAR 10/27/2026 - 05:03 PM EDT Accepted by SEC EDGAR 10/27/2026 - 05:03 PM EDT 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^*

SINGHAL ANIL K

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President & CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/26/2026

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
Common Stock	10/26/2026		M(1)		13,500	A	(2)	468,534	D
Common Stock	10/26/2026		F(3)		6,485	D	$39.67(4)	462,049	D
Common Stock								1,443,960	I	See Footnote(5)

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	(2)	10/26/2026		M			13,500	(6)	(7)	Common Stock	13,500	(2)	108,000	D

Explanation of Responses:

1. The shares of Common Stock were acquired upon the vesting of certain restricted stock units previously granted to the reporting person.

2. Price is N/A.

3. The shares of Common Stock were withheld to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock units.

4. Represents the closing price of the Company's Common Stock on October 23, 2026.

5. The shares of Common Stock are beneficially owned by various trusts for the benefit of the reporting person and his spouse.

6. October 26, 2026

7. Date is N/A.

	/s/ Jeff Levinson by Power of Attorney	10/27/2026
	** 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)