NAPCO Security Technologies - 15 Year Stock Price History | NSSC

Historical daily share price chart and data for NAPCO Security Technologies since 2011 adjusted for splits and dividends. The latest closing stock price for NAPCO Security Technologies as of June 09, 2026 is 35.14.
  • The all-time high NAPCO Security Technologies stock closing price was 56.47 on August 19, 2024.
  • The NAPCO Security Technologies 52-week high stock price is 48.12, which is 36.9% above the current share price.
  • The NAPCO Security Technologies 52-week low stock price is 26.44, which is 24.8% below the current share price.
  • The average NAPCO Security Technologies stock price for the last 52 weeks is 39.15.
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NAPCO Security Technologies Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2026 41.2407 41.2341 47.0635 34.9600 35.1400 -15.43%
2025 32.4712 34.2965 44.0997 19.5239 41.5530 19.22%
2024 41.9972 32.6819 56.4716 31.3731 34.8552 4.97%
2023 29.7832 26.0634 38.7747 17.7628 33.2054 25.59%
2022 22.4706 23.5090 29.8541 15.2013 26.4386 9.96%
2021 18.0546 12.5891 24.7983 12.4689 24.0430 90.62%
2020 11.4961 14.7058 15.7160 6.5856 12.6132 -10.79%
2019 12.3635 7.4659 16.5867 7.0282 14.1381 86.60%
2018 6.2930 4.1611 8.3607 4.1611 7.5766 80.00%
2017 4.5177 4.0649 5.1473 3.6079 4.2092 2.94%
2016 3.2086 2.8382 4.1130 2.4919 4.0889 44.07%
2015 2.7447 2.2609 3.5261 2.2273 2.8382 25.53%
2014 2.6508 2.9585 3.6416 1.9579 2.2609 -25.16%
2013 2.2898 1.7510 3.1220 1.6837 3.0210 72.53%
2012 1.4568 1.2026 1.7607 1.1016 1.7510 46.77%
Sector Industry Market Cap Revenue
Industrial Products Protection - Safety Equipment & Services $1.525B $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.
Stock Name Country Market Cap PE Ratio
Assa Abloy AB (ASAZY) Sweden $43.635B 26.50
Halma (HLMAF) United Kingdom $21.598B 0.00
Allegion (ALLE) Ireland $12.475B 17.79
MSA Safety Incorporporated (MSA) United States $6.678B 21.72
Resideo Technologies (REZI) United States $5.694B 16.30
ADT (ADT) United States $5.519B 8.01
Brady (BRC) United States $3.956B 17.52
Life360 (LIF) United States $3.056B 100.26
Alarm Holdings (ALRM) United States $2.118B 19.39
Cadre Holdings (CDRE) United States $1.395B 30.51
Ituran Location And Control (ITRN) Israel $1.065B 18.40
Intellicheck Mobilisa (IDN) United States $0.154B 126.67
ICTS (ICTSF) Netherlands $0.148B 0.00
Eastern (EML) United States $0.131B 16.46
Digimarc (DMRC) United States $0.125B 0.00
Lakeland Industries (LAKE) United States $0.088B 0.00
Wrap Technologies (WRAP) United States $0.083B 0.00
SoundThinking (SSTI) United States $0.080B 0.00
Senstar Technologies (SNT) Canada $0.071B 15.20
Mobilicom (MOB) Israel $0.057B 0.00
WISeKey Holding (WKEY) Switzerland $0.054B 0.00
Concorde Group (CIGL) Singapore $0.044B 0.00
SuperCom (SPCB) Israel $0.025B 2.86
Rectitude Holdings (RECT) Singapore $0.017B 0.00
Guardforce AI (GFAI) Singapore $0.009B 0.00
Cycurion (CYCU) United States $0.007B 0.00
Digital Ally/NV (DGLY) United States $0.002B 0.00
Hub Cyber Security (HUBC) Israel $0.000B 0.00
American Rebel Holdings (AREB) United States $0.000B 0.00