MICHAEL CARRIERI - 17 Sep 2025 Form 4 Insider Report for NAPCO SECURITY TECHNOLOGIES, INC (NSSC)

Role
Executive VP of Engineering
Signature
Michael Carrieri
Issuer symbol
NSSC
Transactions as of
17 Sep 2025
Transactions value $
$-278,822
Form type
4
Filing time
18 Sep 2025, 14:15:56 UTC
Previous filing
29 Aug 2024
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
CARRIERI MICHAEL Executive VP of Engineering Michael Carrieri 18 Sep 2025 0001256086

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NSSC Common Stock Options Exercise $224,950 +10,000 +56.1% $22.50 27,837 17 Sep 2025 Direct
transaction NSSC Common Stock Tax liability $-224,932 -5,305 -19.1% $42.40 22,532 17 Sep 2025 Direct F1
transaction NSSC Common Stock Options Exercise $53,880 +2,000 +8.88% $26.94 24,532 17 Sep 2025 Direct
transaction NSSC Common Stock Tax liability $-53,890 -1,271 -5.18% $42.40 23,261 17 Sep 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction NSSC Employee Stock Option (Right to Buy) Options Exercise $-224,950 -10,000 -50% $22.50 10,000 17 Sep 2025 Common Stock 10,000 $22.50 Direct F2
transaction NSSC Employee Stock Option (Right to Buy) Options Exercise $-53,880 -2,000 -50% $26.94 2,000 17 Sep 2025 Common Stock 2,000 $26.94 Direct F3
holding NSSC Employee Stock Option (Right to Buy) 50,000 17 Sep 2025 Common Stock 50,000 $41.75 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares owned by the reporting person and used to pay exercise price.
F2 Exercisable, cumulatively, at 20% per year commencing October 21, 2021.
F3 Exercisable, cumulatively, at 20% per year commencing August 25, 2022.
F4 Exercisable, cumulatively, at 20% per year commencing May 2, 2024.