Buchel Kevin S

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
2 May 24	NSSC Napco Security	Employee Stock Option Common Stock	Grant	Acquire A	No	No	41.75	50,000	2.09 mm	50,000
12 Mar 24	NSSC Napco Security	Common Stock	Sell	Dispose S	No	No	40.361	50,000	2.02 mm	62,739
12 Feb 24	NSSC Napco Security	Common Stock	Sell	Dispose S	No	No	44.7953	10,000	447.95 k	112,739
12 Feb 24	NSSC Napco Security	Common Stock	Payment of exercise	Dispose F	No	No	46.11	1,013	46.71 k	122,739
12 Feb 24	NSSC Napco Security	Common Stock	Option exercise	Acquire M	No	No	11.675	4,000	46.70 k	123,752
12 Feb 24	NSSC Napco Security	Employee Stock Option Common Stock	Option exercise	Dispose M	No	No	11.675	4,000	46.70 k	0
9 Feb 24	NSSC Napco Security	Common Stock	Payment of exercise	Dispose F	No	No	45	1,207	54.32 k	119,752
9 Feb 24	NSSC Napco Security	Common Stock	Option exercise	Acquire M	No	No	22.495	2,416	54.35 k	120,959
9 Feb 24	NSSC Napco Security	Common Stock	Payment of exercise	Dispose F	No	No	45	543	24.44 k	118,543
9 Feb 24	NSSC Napco Security	Common Stock	Option exercise	Acquire M	No	No	15.27	1,600	24.43 k	119,086

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.