| 2005-07-22 | Sale | Cognex Corporation CGNX | President & COO | 25,000 0.043% | $26.60 | $664,938 | -11.22% | |
| 2004-06-17 | Sale | Cognex Corporation CGNX | EVP/COO | 20,000 0.0374% | $30.23 | $604,676 | -25.83% | |
| 2004-05-28 | Sale | Cognex Corporation CGNX | EVP/COO | 27,750 0.0507% | $27.09 | $751,666 | -18.48% | |
| 2004-01-28 | Sale | Cognex Corporation CGNX | EVP/COO | 25,000 0.0464% | $27.74 | $693,598 | -14.02% |