NAPCO SECURITY TECHNOLOGIES, INC — Director's Dealing 2026

Feb 27, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NAPCO SECURITY TECHNOLOGIES, INC (NSSC)
CIK: 0000069633
Period of Report: 2026-02-26

Reporting Person: CARRIERI MICHAEL (Executive VP of Engineering)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-26	Common Stock	M	10000	$22.495	Acquired	33261	Direct
2026-02-26	Common Stock	F	6651	$47.23	Disposed	26610	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-26	Employee Stock Option (Right to Buy)	$22.495	M	10000	Disposed	2031-10-19	Common Stock (10000)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Employee Stock Option (Right to Buy)	$26.94	2032-08-25	Common Stock (2000)	2000	Direct
Employee Stock Option (Right to Buy)	$41.75	2034-05-02	Common Stock (50000)	50000	Direct

Footnotes

F1: Represents the number of shares withheld by the Reporting Person as a result of the cashless exercise of stock options, and used to pay the exercise price and required tax withholdings in accordance with the 2012 Employee Stock Option Plan and stock option grant.

F2: Reflects a net increase of 3,349 shares resulting from the cashless exercise of 10,000 stock options as reflected in this Form.

F3: Exercisable with respect to 2,000 shares from August 25, 2026 until August 25, 2032.

F4: Exercisable, cumulatively, at 20% per year commencing May 2, 2024