| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G | Report | SC 13G | May 21, 2021 | |
| SC 13G/A | Report | Feb 12, 2016 | ||
| SC 13G/A | Report | Feb 13, 2015 | ||
| SC 13G/A | Report | Feb 13, 2015 | ||
| SC 13G/A | Report | IMAGE SENSING 13G/A | Oct 8, 2014 | |
| SC 13G/A | Report | IMAGE SENSING 13G/A | Sep 10, 2014 | |
| SC 13G | Report | IMAGE SENSING 13G | Jul 9, 2014 | |
| SC 13G/A | Report | SCHEDULE 13G AMENDMENT NO. 1 | Feb 12, 2014 | |
| SC 13G/A | Report | Feb 7, 2014 | ||
| SC 13G | Report | ANNUAL 13G - IMAGE SENSING SYSTEMS, INC. | Feb 5, 2014 | |
| SC 13G | Report | SCHEDULE 13G | Jun 7, 2013 | |
| SC 13G/A | Report | Feb 15, 2013 | ||
| SC 13G | Report | ANNUAL 13G FOR MACKENZIE | Feb 11, 2013 | |
| SC 13G/A | Report | FORM 13G/A | Feb 23, 2012 | |
| SC 13G | Report | ANNUAL 13G FOR MACKENZIE | Feb 14, 2012 | |
| SC 13G/A | Report | Feb 14, 2012 | ||
| SC 13G/A | Report | Feb 10, 2012 | ||
| SC 13G/A | Report | Apr 18, 2011 | ||
| SC 13G | Report | IMAGE SENSING ANNUAL 13G FOR MACKENZIE | Feb 22, 2011 | |
| SC 13G/A | Report | NICUSA CAPITAL PARTNERS SC13GA 2-15-2011 (IMAGE SENSING SYSTEMS) | Feb 15, 2011 | |
| SC 13G | Report | DOC ONE | Feb 14, 2011 | |
| SC 13G | Report | IMAGE SENSING ANNUAL 13G FOR MACKENZIE | Feb 11, 2011 | |
| SC 13G/A | Report | Feb 3, 2011 | ||
| SC 13G/A | Report | 13G FILING | Mar 10, 2010 | |
| SC 13G/A | Report | NICUSA CAPITAL PARTNERS SC13GA 2-15-2010 (IMAGE SENSING SYSTEMS) | Feb 12, 2010 | |
| SC 13G/A | Report | 13G FILING | Feb 10, 2010 | |
| SC 13G | Report | Feb 9, 2010 |