NAPCO SECURITY TECHNOLOGIES, INC — Director's Dealing 2026

Feb 21, 2026

SEC Form 4/A — Form 4/A

Issuer: NAPCO SECURITY TECHNOLOGIES, INC (NSSC)
CIK: 0000069633
Period of Report: 2026-02-19

Reporting Person: BUCHEL KEVIN S (Director, President & COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-19	Common Stock	M	50000	$22.495	Acquired	112739	Direct
2026-02-19	Common Stock	F	33560	$44.98	Disposed	79179	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-19	Employee Stock Option (Right to Buy)	$22.495	M	50000	Disposed	2031-10-19	Common Stock (50000)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Employee Stock Option (Right to Buy)	$26.94	2032-08-25	Common Stock (10000)	10000	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 16,440 shares resulting from the cashless exercise of 50,000 stock options as reflected in this Form.

F3: Exercisable with respect to 8,000 shares until August 24, 2032 and with respect to 2,000 shares from August 25, 2026 from August 25, 2026 until August 25, 2032.

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