[Form 4] NAPCO SECURITY TECHNOLOGIES, INC Insider Trading Activity

Rhea-AI Filing Summary

Napco Security Technologies (NSSC)19,000 shares of common stock at a price of $40.25 per share in an open market sale, and held 928 shares of common stock directly afterward. He also holds employee stock options to buy 23,952 shares of common stock at $10.02 per share, exercisable cumulatively at 20% per year commencing April 30, 2020, and expiring on April 30, 2030. In addition, he holds options for 5,000 shares at an exercise price of $26.94, vesting 20% per year commencing August 25, 2022, and expiring on August 25, 2032.

11/18/2025 - 06:10 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^*

Spinelli Stephen M

(Last) (First) (Middle)

333 BAYVIEW AVENUE

(Street)

AMITYVILLE NY 11701

(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)
	Senior Vice president of Sales

3. Date of Earliest Transaction (Month/Day/Year)
11/17/2025

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	11/17/2025		S		19,000	D	$40.25	928	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)	$10.02							(1)	04/30/2030	Common Stock	23,952		23,952	D
Employee Stock Option (Right to Buy)	$26.94							(2)	08/25/2032	Common Stock	5,000		5,000	D

Explanation of Responses:

1. Exercisable, cumulatively, at 20% per year commencing April 30, 2020.

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

	Stephen Spinelli	11/18/2025
	** 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.
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.

FAQ

What insider transaction was reported for Napco Security Technologies (NSSC)?

Napco Security Technologies (NSSC) reported that Senior Vice President of Sales Stephen Spinelli sold 19,000 shares of common stock on 11/17/2025 at a price of $40.25 per share.

How many Napco Security Technologies (NSSC) shares does the insider own after the sale?

After the reported sale, Stephen Spinelli beneficially owns 928 shares of Napco Security Technologies common stock directly.

What stock options does the Napco Security Technologies (NSSC) insider hold?

Stephen Spinelli holds employee stock options to buy 23,952 shares of common stock at an exercise price of $10.02 per share and 5,000 shares at an exercise price of $26.94 per share.

When do the Napco Security Technologies (NSSC) stock options for the insider expire?

The 23,952-share option at $10.02 per share expires on April 30, 2030, and the 5,000-share option at $26.94 per share expires on August 25, 2032.

How do the Napco Security Technologies (NSSC) options held by the insider vest?

The $10.02 options for 23,952 shares vest cumulatively at 20% per year commencing April 30, 2020, and the $26.94 options for 5,000 shares vest cumulatively at 20% per year commencing August 25, 2022.

What is the insider’s role at Napco Security Technologies (NSSC)?

Stephen Spinelli is an officer of Napco Security Technologies, serving as Senior Vice President of Sales.