NAPCO Security Technologies - 44 Year Stock Price History | NSSC
Historical daily share price chart and data for NAPCO Security Technologies since 1981 adjusted for splits and dividends. The latest closing stock price for NAPCO Security Technologies as of August 28, 2025 is 38.33.
- The all-time high NAPCO Security Technologies stock closing price was 57.05 on August 19, 2024.
- The NAPCO Security Technologies 52-week high stock price is 46.67, which is 21.8% above the current share price.
- The NAPCO Security Technologies 52-week low stock price is 19.00, which is 50.4% below the current share price.
- The average NAPCO Security Technologies stock price for the last 52 weeks is 31.70.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
| NAPCO Security Technologies Historical Annual Stock Price Data |
| Year |
Average Stock Price |
Year Open |
Year High |
Year Low |
Year Close |
Annual % Change |
| 2025 |
27.9400 |
34.6470 |
38.4100 |
19.7234 |
38.3300 |
8.86% |
| 2024 |
42.4264 |
33.0158 |
57.0487 |
31.6936 |
35.2114 |
4.97% |
| 2023 |
30.0875 |
26.3298 |
39.1709 |
17.9443 |
33.5447 |
25.59% |
| 2022 |
22.7002 |
23.7493 |
30.1592 |
15.3566 |
26.7088 |
9.96% |
| 2021 |
18.2391 |
12.7178 |
25.0517 |
12.5963 |
24.2887 |
90.62% |
| 2020 |
11.6135 |
14.8560 |
15.8766 |
6.6529 |
12.7421 |
-10.79% |
| 2019 |
12.4898 |
7.5422 |
16.7562 |
7.1000 |
14.2826 |
86.60% |
| 2018 |
6.3573 |
4.2036 |
8.4461 |
4.2036 |
7.6540 |
80.00% |
| 2017 |
4.5639 |
4.1064 |
5.1999 |
3.6448 |
4.2522 |
2.94% |
| 2016 |
3.2413 |
2.8672 |
4.1550 |
2.5173 |
4.1307 |
44.07% |
| 2015 |
2.7727 |
2.2841 |
3.5602 |
2.2486 |
2.8672 |
25.53% |
| 2014 |
2.6779 |
2.9887 |
3.6788 |
1.9779 |
2.2841 |
-25.16% |
| 2013 |
2.3177 |
1.7704 |
3.1539 |
1.6999 |
3.0519 |
72.53% |
| 2012 |
1.4717 |
1.2149 |
1.7786 |
1.1129 |
1.7689 |
46.77% |
| 2011 |
1.1189 |
0.8675 |
1.4579 |
0.8164 |
1.2052 |
40.91% |
| 2010 |
0.9522 |
0.9331 |
1.2198 |
0.7873 |
0.8553 |
5.38% |
| 2009 |
0.6627 |
0.5977 |
0.9913 |
0.3912 |
0.8116 |
30.48% |
| 2008 |
1.9398 |
3.0616 |
3.1345 |
0.5734 |
0.6220 |
-79.52% |
| 2007 |
2.8041 |
2.7943 |
3.3726 |
2.2452 |
3.0373 |
6.47% |
| 2006 |
4.1433 |
3.2430 |
5.7182 |
2.6145 |
2.8526 |
-15.01% |
| 2005 |
2.5557 |
2.7644 |
3.6955 |
1.8942 |
3.3564 |
17.46% |
| 2004 |
1.4427 |
0.7793 |
2.8899 |
0.6489 |
2.8575 |
258.80% |
| 2003 |
0.7927 |
0.8981 |
0.9098 |
0.6579 |
0.7964 |
-4.32% |
| 2002 |
0.6743 |
0.5265 |
0.9089 |
0.4725 |
0.8324 |
67.25% |
| 2001 |
0.4586 |
0.3094 |
0.6030 |
0.3094 |
0.4977 |
55.24% |
| 2000 |
0.3238 |
0.2869 |
0.4050 |
0.2756 |
0.3206 |
11.75% |
| 1999 |
0.3120 |
0.3712 |
0.3937 |
0.2362 |
0.2869 |
-20.31% |
| 1998 |
0.4424 |
0.5400 |
0.5625 |
0.3600 |
0.3600 |
-33.33% |
| 1997 |
0.4645 |
0.3389 |
0.6187 |
0.3375 |
0.5400 |
60.00% |
| 1996 |
0.3349 |
0.3262 |
0.3937 |
0.2812 |
0.3375 |
7.14% |
| 1995 |
0.2416 |
0.2362 |
0.3600 |
0.1912 |
0.3150 |
21.76% |
| 1994 |
0.3409 |
0.3937 |
0.4500 |
0.2475 |
0.2587 |
-36.12% |
| 1993 |
0.4461 |
0.2362 |
0.6075 |
0.2362 |
0.4050 |
71.46% |
| 1992 |
0.2460 |
0.2475 |
0.3037 |
0.2025 |
0.2362 |
16.64% |
| 1991 |
0.2716 |
0.2362 |
0.3487 |
0.1575 |
0.2025 |
-14.27% |
| 1990 |
0.3462 |
0.4500 |
0.5625 |
0.2025 |
0.2362 |
-52.28% |
| 1989 |
0.7992 |
1.1249 |
1.2374 |
0.4500 |
0.4950 |
-56.00% |
| 1988 |
1.0028 |
0.7087 |
1.2374 |
0.6525 |
1.1249 |
75.44% |
| 1987 |
0.9354 |
0.8437 |
1.1249 |
0.4950 |
0.6412 |
-22.97% |
| 1986 |
0.9640 |
0.9224 |
1.2149 |
0.7650 |
0.8324 |
-9.76% |
| 1985 |
0.7829 |
0.5100 |
1.0124 |
0.5100 |
0.9224 |
84.48% |
| 1984 |
0.6946 |
0.8100 |
1.0799 |
0.4800 |
0.5000 |
-38.27% |
| 1983 |
0.5735 |
0.2926 |
0.8325 |
0.2250 |
0.8100 |
176.83% |
| 1982 |
0.4609 |
0.9000 |
0.9001 |
0.2476 |
0.2926 |
-67.49% |
| Sector |
Industry |
Market Cap |
Revenue |
| Industrial Products |
Protection - Safety Equipment & Services |
$1.370B |
$0.182B |
|
NAPCO SECURITY SYSTEMS is engaged in the development, manufacture, distribution and sale of security alarm products and door security devices for commercial and residential installations.
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