| SC 13D | 2018-04-02 | CEMTREX INC | VICON INDUSTRIES INC /NY/ | 8,784,824 | 46.0% | EDGAR |
| SC 13D/A | 2018-03-27 | Zucker Anita G | VICON INDUSTRIES INC /NY/ | 0 | 0.0% | EDGAR |
| SC 13D/A | 2018-03-16 | Zucker Anita G | VICON INDUSTRIES INC /NY/ | 8,784,824 | 46.1% | EDGAR |
| SC 13D/A | 2017-12-20 | Zucker Anita G | VICON INDUSTRIES INC /NY/ | 9,000,000 | 47.2% | EDGAR |
| SC 13D/A | 2017-11-13 | Zucker Anita G | VICON INDUSTRIES INC /NY/ | 9,385,000 | 49.3% | EDGAR |
| SC 13D/A | 2017-04-25 | Zucker Anita G | VICON INDUSTRIES INC /NY/ | 1,885,000 | 17.4% | EDGAR |
| SC 13G/A | 2017-02-01 | GRAY MARTIN D | VICON INDUSTRIES INC /NY/ | 467,182 | 5.0% | EDGAR |
| SC 13G/A | 2016-02-01 | GRAY MARTIN D | VICON INDUSTRIES INC /NY/ | 512,782 | 5.5% | EDGAR |
| SC 13D | 2015-12-30 | SHENZHEN INFINOVA Ltd | VICON INDUSTRIES INC /NY/ | 543,715 | 5.9% | EDGAR |
| SC 13D/A | 2015-12-28 | CBC AMERICA CORP | VICON INDUSTRIES INC /NY/ | 0 | 0.0% | EDGAR |
| SC 13D/A | 2015-11-25 | CBC AMERICA CORP | VICON INDUSTRIES INC /NY/ | 543,715 | 5.9% | EDGAR |
| SC 13G/A | 2015-02-19 | GRAY MARTIN D | VICON INDUSTRIES INC /NY/ | 536,912 | 5.9% | EDGAR |
| SC 13G/A | 2015-02-12 | RENAISSANCE TECHNOLOGIES LLC | VICON INDUSTRIES INC /NY/ | 128,500 | 1.4% | EDGAR |
| SC 13G/A | 2015-02-05 | DIMENSIONAL FUND ADVISORS LP | VICON INDUSTRIES INC /NY/ | 341,389 | 3.8% | EDGAR |
| SC 13G | 2014-09-25 | GORDIAN, INC. | VICON INDUSTRIES INC /NY/ | 1,306,350 | 14.4% | EDGAR |
| SC 13G | 2014-09-19 | GRAY MARTIN D | VICON INDUSTRIES INC /NY/ | 534,387 | 5.9% | EDGAR |
| SC 13D/A | 2014-08-29 | HENRY PARTNERS L P | VICON INDUSTRIES INC /NY/ | - | - | EDGAR |
| SC 13D/A | 2014-05-09 | HENRY PARTNERS L P | VICON INDUSTRIES INC /NY/ | 256,000 | 9.7% | EDGAR |
| SC 13D/A | 2014-04-10 | HENRY PARTNERS L P | VICON INDUSTRIES INC /NY/ | 256,000 | 9.7% | EDGAR |
| SC 13D/A | 2014-04-08 | Zucker Anita G | VICON INDUSTRIES INC /NY/ | 507,122 | - | EDGAR |