| SC 13G/A | 2019-02-05 | Alexander Capital Advisors, LLC | NAPCO SECURITY TECHNOLOGIES, INC | 1,023,388 | 5.5% | EDGAR |
| SC 13G/A | 2018-01-16 | Alexander Capital Advisors, LLC | NAPCO SECURITY TECHNOLOGIES, INC | 1,501,335 | 8.0% | EDGAR |
| SC 13G/A | 2017-01-12 | Alexander Capital Advisors, LLC | NAPCO SECURITY TECHNOLOGIES, INC | 1,596,337 | 8.5% | EDGAR |
| SC 13G/A | 2016-01-19 | Alexander Capital Advisors, LLC | NAPCO SECURITY TECHNOLOGIES, INC | 1,838,144 | 9.7% | EDGAR |
| SC 13G/A | 2015-01-16 | Alexander Capital Advisors, LLC | NAPCO SECURITY TECHNOLOGIES, INC | 2,020,361 | 10.5% | EDGAR |
| SC 13G/A | 2014-02-07 | GAGNON SECURITIES LLC | NAPCO SECURITY TECHNOLOGIES, INC | 252,682 | 1.3% | EDGAR |
| SC 13G/A | 2014-01-31 | Alexander Capital Advisors, LLC | NAPCO SECURITY TECHNOLOGIES, INC | 2,157,398 | 11.1% | EDGAR |
| SC 13G/A | 2013-02-13 | Alexander Capital Advisors, LLC | NAPCO SECURITY TECHNOLOGIES, INC | 2,473,084 | 12.9% | EDGAR |
| SC 13G | 2013-02-13 | GAGNON SECURITIES LLC | NAPCO SECURITY TECHNOLOGIES, INC | 1,089,709 | 5.7% | EDGAR |
| SC 13G/A | 2012-02-13 | Alexander Capital Advisors, LLC | NAPCO SECURITY TECHNOLOGIES, INC | 2,466,688 | 12.9% | EDGAR |
| SC 13G/A | 2011-02-11 | Epoch Investment Partners Inc. | NAPCO SECURITY TECHNOLOGIES, INC | 616,771 | 3.2% | EDGAR |
| SC 13G/A | 2011-02-07 | Alexander Capital Advisors, LLC | NAPCO SECURITY TECHNOLOGIES, INC | 2,287,887 | 12.0% | EDGAR |
| SC 13G/A | 2011-02-04 | RIVERBRIDGE PARTNERS LLC | NAPCO SECURITY TECHNOLOGIES, INC | 931,733 | 4.9% | EDGAR |
| SC 13G/A | 2010-08-02 | Alexander Capital Advisors, LLC | NAPCO SECURITY TECHNOLOGIES, INC | 2,010,562 | 10.5% | EDGAR |
| SC 13G | 2010-02-16 | Epoch Investment Partners Inc. | NAPCO SECURITY TECHNOLOGIES, INC | 987,556 | 5.2% | EDGAR |
| SC 13G | 2010-02-04 | RIVERBRIDGE PARTNERS LLC | NAPCO SECURITY TECHNOLOGIES, INC | 967,556 | 5.1% | EDGAR |
| SC 13G | 2010-02-01 | Alexander Capital Advisors, LLC | NAPCO SECURITY TECHNOLOGIES, INC | 1,528,150 | 8.0% | EDGAR |
| SC 13G/A | 2008-04-10 | HEARTLAND ADVISORS INC | NAPCO SECURITY SYSTEMS INC | 833,800 | 4.4% | EDGAR |
| SC 13G/A | 2008-02-14 | GALLEON MANAGEMENT L P | NAPCO SECURITY SYSTEMS INC | 100,347 | 0.5% | EDGAR |
| SC 13G | 2008-02-14 | RUTABAGA CAPITAL MANAGEMENT LLC/MA | NAPCO SECURITY SYSTEMS INC | 1,640,700 | 8.5% | EDGAR |