Was Alfred Grasso’s NETSCOUT (NTCT) share sale under a Rule 10b5-1 plan?

Yes. The filing states the 5,000 NETSCOUT shares were sold under a Rule 10b5-1 trading plan. The plan was adopted on November 12, 2025, indicating the May 12, 2026 sale was pre-scheduled rather than a spontaneously timed market decision.

NETSCOUT (NTCT) director Grasso sells 5,000 shares in 10b5-1 trade

Filing Impact

(Moderate)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

NETSCOUT SYSTEMS INC director Alfred Grasso reported an open-market sale of 5,000 shares of Common Stock. The transaction occurred on May 12, 2026 at a price of $40.67 per share. After this sale, he directly holds 35,000 shares of NETSCOUT common stock.

According to a footnote, the shares were sold pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on November 12, 2025, indicating the sale was scheduled in advance rather than timed discretionarily. The filing shows no derivative securities remaining in this report.

Insider Trade Summary 10b5-1

Net Seller: 5,000 shares ($203,350)

Net Sell 1 txn

Insider Grasso Alfred

Role null

Sold 5,000 shs ($203K)

Type	Security	Shares	Price	Value
Sale	Common Stock	5,000	$40.67	$203K

Holdings After Transaction: Common Stock — 35,000 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares sold: 5,000 shares Sale price per share: $40.67 per share Shares owned after sale: 35,000 shares

3 metrics

Shares sold 5,000 shares Open-market sale of Common Stock on May 12, 2026

Sale price per share $40.67 per share Average price for the 5,000 NETSCOUT shares sold

Shares owned after sale 35,000 shares Direct NETSCOUT Common Stock holdings following the transaction

Key Terms

Rule 10b5-1 plan, open-market sale, Common Stock

3 terms

Rule 10b5-1 plan regulatory

"The shares of Common Stock were sold pursuant to a 10b5-1 plan adopted by the Reporting Person"

A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock financial

"The shares of Common Stock were sold pursuant to a 10b5-1 plan"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 Insider Transactions: What Each Field Means →

05/14/2026 - 04:07 PM

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^*

Grasso Alfred

(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
	Officer (give title below)	Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/12/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	05/12/2026		S⁽¹⁾		5,000	D	$40.67	35,000	D

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. The shares of Common Stock were sold pursuant to a 10b5-1 plan adopted by the Reporting Person on November 12, 2025.

	/s/ Jeff Levinson by Power of Attorney	05/14/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did NETSCOUT (NTCT) director Alfred Grasso report?

Alfred Grasso reported selling 5,000 shares of NETSCOUT Common Stock in an open-market transaction. The sale occurred on May 12, 2026 at $40.67 per share, and was disclosed in a Form 4 insider filing with remaining direct ownership of 35,000 shares.

At what price did Alfred Grasso sell NETSCOUT (NTCT) shares in the latest Form 4?

He sold 5,000 NETSCOUT shares at an average price of $40.67 per share. This open-market transaction on May 12, 2026 was reported as a non-derivative sale and left him with 35,000 shares of NETSCOUT common stock held directly after the trade.

How many NETSCOUT (NTCT) shares does Alfred Grasso own after this Form 4 sale?

Following the reported sale, Alfred Grasso directly owns 35,000 shares of NETSCOUT Common Stock. Before the sale he held more shares, and the transaction reduced his position by 5,000 shares while remaining a significant continuing stake as disclosed in the filing.

Did the NETSCOUT (NTCT) Form 4 include any option exercises or derivative trades?

No derivative transactions are reported in this Form 4. The filing shows only a non-derivative open-market sale of 5,000 shares of NETSCOUT Common Stock, with derivative transaction counts and derivative holdings listed as zero in the filing’s summary data.