NSSC Form 4: Executive VP Carrieri Exercises Options, Uses Shares to Pay Costs

Rhea-AI Filing Summary

Napco Security Technologies insider Michael Carrieri reported multiple option exercises and stock transactions on 09/17/2025. The filing shows Carrieri exercised employee stock options to acquire 10,000 shares at an exercise price of $22.495 and 2,000 shares at $26.94, adding those shares to his direct holdings. He also acquired 10,000 shares by exercise of options priced at $22.495 and recorded two dispositions labeled F totaling 6,576 shares (5,305 and 1,271) described as shares used to pay the exercise price at $42.40. After the reported transactions, his direct beneficial ownership in common stock is reported at 27,837 shares. The reporting person is Executive VP of Engineering and filed as an individual.

Positive

• Insider purchases via option exercises of 12,000 shares (10,000 at $22.495 and 2,000 at $26.94) indicate exercised vested compensation rather than sales.
• Clear disclosure of option grants including a $41.75 strike covering 50,000 shares with vesting commencement dates provided.

Negative

• None.

Insights

Financial Analyst

TL;DR: Insider exercised options and adjusted holdings; transactions are routine and present limited immediate market impact.

The filing documents option exercises executed on 09/17/2025 and related share dispositions used to cover exercise costs. Carrieri exercised options at $22.495 (10,000 shares) and $26.94 (2,000 shares) and reports direct ownership of 27,837 common shares after transactions. The filing also discloses an existing employee option grant exercisable at $41.75 covering 50,000 shares. These transactions reflect standard executive option activity rather than a corporate event affecting operations or guidance.

Corporate Governance Expert

TL;DR: Disclosure aligns with Section 16 requirements; filings show use of shares to satisfy exercise costs.

The Form 4 identifies the reporting person as Executive VP of Engineering and properly discloses both non-derivative and derivative transactions, including option terms and vesting commencement dates. The explanation states certain shares were used to pay exercise prices. All transactions are reported on a single Form 4 filed individually, meeting routine insider reporting standards.

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

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

1. Name and Address of Reporting Person^*

CARRIERI MICHAEL

(Last) (First) (Middle)

(Street)

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
NAPCO SECURITY TECHNOLOGIES, INC [ NSSC ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Executive VP of Engineering

3. Date of Earliest Transaction (Month/Day/Year)
09/17/2025

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

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

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

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	09/17/2025		M		10,000	A	$22.495	27,837	D
Common Stock	09/17/2025		F		5,305(1)	D	$42.4	22,532	D
Common Stock	09/17/2025		M		2,000	A	$26.94	24,532	D
Common Stock	09/17/2025		F		1,271(1)	D	$42.4	23,261	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Option (Right to Buy)	$22.495	09/17/2025		M			10,000	10/19/2021(2)	10/19/2031	Common Stock	10,000	$22.495	10,000	D
Employee Stock Option (Right to Buy)	$26.94	09/17/2025		M			2,000	08/25/2022(3)	08/25/2032	Common Stock	2,000	$26.94	2,000	D
Employee Stock Option (Right to Buy)	$41.75							05/02/2024(4)	05/02/2034	Common Stock	50,000		50,000	D

Explanation of Responses:

1. Represents shares owned by the reporting person and used to pay exercise price.

2. Exercisable, cumulatively, at 20% per year commencing October 21, 2021.

3. Exercisable, cumulatively, at 20% per year commencing August 25, 2022.

4. Exercisable, cumulatively, at 20% per year commencing May 2, 2024.

	Michael Carrieri	09/18/2025
	** 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.
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FAQ

What transactions did Michael Carrieri report for NSSC on 09/17/2025?

He reported option exercises acquiring 10,000 shares at $22.495 and 2,000 shares at $26.94, plus two dispositions of 5,305 and 1,271 shares used to pay exercise costs.

How many shares does Carrieri beneficially own after these transactions?

The Form 4 states Carrieri beneficially owns 27,837 shares of common stock following the reported transactions.

What option grants and exercise terms are disclosed in the filing?

The filing lists employee stock options exercisable at $22.495 (10,000), $26.94 (2,000), and an outstanding $41.75 option covering 50,000 shares; vesting commencement dates are provided for each grant.

What is the nature of the 'F' transactions reported?

The 'F' code entries (5,305 and 1,271 shares) represent shares used to pay the exercise price, as explained in the filing.

What is Michael Carrieri's role at Napco Security Technologies?

He is reported as Executive VP of Engineering and filed the Form 4 as an individual reporting person.