NSSC | NAPCO Sec Tech | Owners

S&P 500$7,722.72
+0.73%
2m
DOW 30$51,176.96
+0.49%
2m
NASDAQ 100$30,807.93
+1.00%
2m
Russell 2000$281.52
+0.90%
2m
Russell 1000$420.21
+0.78%
2m
S&P 400$3,668.01
+0.96%
2m
S&P 600$1,685.75
+1.21%
2m

NAPCO Sec Tech (NSSC)

NASDAQ

$36.10-$0.08 (-0.21%)

Price as of Oct 02, 2026 7:30 PM EDT

$1.3B
Market Cap
-13.83%
1-Year Change
Security & Protection Services
Industry

Top Holders

Institutional

Mutual Funds

Holder	Ownership %	Shares Held	Change (Shares, %)	Report Date
BLACKROCK, INC.	15.77%	5.6M	-49,124 (-0.87%)	Jun 30, 2026
BLACKROCK FUNDING, INC. /DE	8.87%	3.2M	-116,418 (-3.67%)	Dec 31, 2024
VANGUARD GROUP INC	8.07%	2.9M	+31,644 (+1.10%)	Dec 31, 2025
BLACKROCK INC.	7.59%	2.7M	+265,845 (+9.81%)	Jun 30, 2024
COPELAND CAPITAL MANAGEMENT, LLC	5.65%	2.0M	+7,784 (+0.39%)	Jun 30, 2026
N/A	4.71%	1.7M	+1.7M (+100.00%)	Jun 30, 2026
JUPITER TOPCO LLC	4.71%	1.7M	+1.7M (+100.00%)	Jun 30, 2026

Holder	Ownership %	Shares Held	Change (Shares, %)	Report Date
VANGUARD INDEX FUNDS	4.18%	1.5M	+23,093 (+1.55%)	Jun 30, 2026
FIRST TRUST EXCHANGE-TRADED FUND VI	3.43%	1.2M	+650,780 (+53.04%)	Jun 30, 2026
VANGUARD WORLD FUND	2.51%	898,187	+3,260 (+0.36%)	May 31, 2026
SPDR SERIES TRUST	1.85%	659,984	0 (0.00%)	Jul 31, 2026
T. Rowe Price Small-Cap Stock Fund, Inc.	1.78%	634,641	0 (0.00%)	Jun 30, 2026
DFA INVESTMENT DIMENSIONS GROUP INC	1.18%	420,062	+6,931 (+1.65%)	Jul 31, 2026
FIDELITY SALEM STREET TRUST	1.08%	387,550	+354,860 (+91.56%)	Jul 31, 2026

Current Ownership Distribution

Institutions567.3M (77.94%)
Mutual Funds159.2M (21.88%)
Insiders1.3M (0.18%)
Other0 (0.00%)

Insider Transactions

0.18% (1.3M)
Current InsiderOwnership (%, shares)
0
Number of InsiderBuying (last 12 months)
$0.00
Amount of InsiderBuying (last 12 months)
2
Number of InsiderSelling (last 12 months)
$88.9M
Amount of InsiderSelling (last 12 months)

Insider Name & Title	Type	Date	Transaction Value	Shares	Share Price	Shares After Transactions
SOLOWAY RICHARD Founder and Executive Chairman	Award	Sep 29, 2026	$442,103.50	11,665	$37.90	11,665
BUCHEL KEVIN S CEO and President	Award	Sep 29, 2026	$497,248.00	13,120	$37.90	13,120
SOLOWAY RICHARD Founder and Executive Chairman	Sell	Aug 27, 2026	$13.1M	379,529	$34.50	621,958
SOLOWAY RICHARD Founder and Executive Chairman	Sell	Aug 26, 2026	$3.4M	95,471	$35.93	1.0M
Spinelli Stephen M Senior Vice President of Sales	Exempt	Mar 17, 2026	$139,999.44	13,972	$10.02	9,980
Spinelli Stephen M Senior Vice President of Sales	Exempt	Mar 17, 2026	$139,999.44	13,972	$10.02	14,900
Spinelli Stephen M Senior Vice President of Sales	In Kind	Mar 17, 2026	$140,011.08	3,212	$43.59	11,688
CARRIERI MICHAEL Executive VP of Engineering	Exempt	Feb 26, 2026	$224,950.00	10,000	$22.50	0
CARRIERI MICHAEL Executive VP of Engineering	Exempt	Feb 26, 2026	$224,950.00	10,000	$22.50	33,261
CARRIERI MICHAEL Executive VP of Engineering	In Kind	Feb 26, 2026	$314,126.73	6,651	$47.23	26,610
BUCHEL KEVIN S President & COO	Exempt	Feb 19, 2026	$1.1M	50,000	$22.50	47,584
BUCHEL KEVIN S President & COO	Exempt	Feb 19, 2026	$1.1M	50,000	$22.50	112,739
BUCHEL KEVIN S President & COO	In Kind	Feb 19, 2026	$1.5M	33,560	$44.98	79,179
SOLOWAY RICHARD CEO, Chairman of Board, Secy	Exempt	Feb 10, 2026	$2.2M	100,000	$22.50	0
SOLOWAY RICHARD CEO, Chairman of Board, Secy	Exempt	Feb 10, 2026	$215,520.00	8,000	$26.94	2,000
SOLOWAY RICHARD CEO, Chairman of Board, Secy	Exempt	Feb 10, 2026	$2.2M	100,000	$22.50	1.4M
SOLOWAY RICHARD CEO, Chairman of Board, Secy	In Kind	Feb 10, 2026	$3.2M	74,878	$42.63	1.3M
SOLOWAY RICHARD CEO, Chairman of Board, Secy	Exempt	Feb 10, 2026	$215,520.00	8,000	$26.94	1.3M
SOLOWAY RICHARD CEO, Chairman of Board, Secy	In Kind	Feb 10, 2026	$305,827.62	7,174	$42.63	1.3M
SOLOWAY RICHARD CEO, Chairman of Board, Secy	Sell	Feb 05, 2026	$6.4M	150,000	$42.74	1.3M
Spinelli Stephen M Senior Vice president of Sales	Sell	Nov 17, 2025	$764,750.00	19,000	$40.25	928