| 2013-10-30 | Sale | Cognex Corporation CGNX | Chairman of the Board | 49,000 0.0315% | $17.73 | $868,963 | +18.38% | |
| 2012-12-14 | Sale | Cognex Corporation CGNX | Chairman of the Board | 195,950 0.4432% | $34.36 | $6.73M | +29.25% | |
| 2012-12-13 | Sale | Cognex Corporation CGNX | Chairman of the Board | 215,050 0.5011% | $35.86 | $7.71M | +27.52% | |
| 2012-12-12 | Sale | Cognex Corporation CGNX | Chairman of the Board | 89,000 0.2097% | $37.38 | $3.33M | +23.56% | |
| 2012-11-21 | Sale | Cognex Corporation CGNX | Chairman of the Board | 211,962 0.4789% | $33.34 | $7.07M | +34.61% | |
| 2012-11-20 | Sale | Cognex Corporation CGNX | Chairman of the Board | 204,426 0.472% | $33.37 | $6.82M | +37.33% | |
| 2012-11-19 | Sale | Cognex Corporation CGNX | Chairman of the Board | 314,390 0.7387% | $33.95 | $10.67M | +37.17% | |
| 2012-11-14 | Sale | Cognex Corporation CGNX | Chairman of the Board | 5,222 0.0125% | $35.02 | $182,875 | +34.58% | |
| 2012-11-13 | Sale | Cognex Corporation CGNX | Chairman of the Board | 14,000 0.0324% | $35.02 | $490,279 | +30.53% | |
| 2011-08-30 | Sale | Cognex Corporation CGNX | Chairman of the Board | 35,000 0.0825% | $35.48 | $1.24M | +0.34% | |
| 2011-08-29 | Sale | Cognex Corporation CGNX | Chairman of the Board | 31,000 0.0736% | $35.37 | $1.1M | +1.42% | |
| 2010-11-04 | Sale | Cognex Corporation CGNX | CEO | 62,250 0.1557% | $29.12 | $1.81M | +5.43% | |
| 2005-12-01 | Sale | Cognex Corporation CGNX | President & CEO | 130,000 0.2661% | $31.21 | $4.06M | -17.2% | |
| 2005-11-30 | Sale | Cognex Corporation CGNX | President & CEO | 20,000 0.0413% | $30.98 | $619,574 | -15.67% | |
| 2005-11-23 | Sale | Cognex Corporation CGNX | President & CEO | 50,000 0.104% | $31.28 | $1.56M | -15.35% | |
| 2005-11-22 | Sale | Cognex Corporation CGNX | President & CEO | 178,000 0.365% | $30.83 | $5.49M | -15.26% | |
| 2005-11-21 | Sale | Cognex Corporation CGNX | President & CEO | 201,800 0.4168% | $30.72 | $6.2M | -14.2% | |
| 2005-11-18 | Sale | Cognex Corporation CGNX | President & CEO | 190,200 0.3923% | $30.69 | $5.84M | -13.78% | |
| 2005-11-17 | Sale | Cognex Corporation CGNX | President & CEO | 230,000 0.474% | $30.42 | $7M | -13.05% | |
| 2005-06-06 | Sale | Cognex Corporation CGNX | CEO | 51,000 0.109% | $26.05 | $1.33M | +11.15% |