| 2008-03-25 | Sale | TETRA Technologies, Inc. TTI | director | 36,000 0.0483% | $15.90 | $572,418 | -8.2% | |
| 2008-03-20 | Sale | Balchem Corporation BCPC | director | 76,022 0.424% | $22.05 | $1.68M | +9.41% | |
| 2006-04-03 | Sale | TETRA Technologies, Inc. TTI | director | 18,000 0.0509% | $48.02 | $864,425 | +7.83% | |
| 2005-07-08 | Sale | TETRA Technologies, Inc. TTI | director | 21,000 0.0908% | $33.75 | $708,763 | +58.18% | |
| 2005-02-18 | Sale | Balchem Corporation BCPC | director | 23,442 0.3053% | $22.50 | $527,445 | +26.15% | |
| 2003-08-20 | Sale | Balchem Corporation BCPC | director | 2,250 0.0467% | $23.33 | $52,493 | +3.95% | |
| 2003-08-07 | Sale | TETRA Technologies, Inc. TTI | director | 6,000 0.0402% | $34.50 | $207,000 | +3.46% | |
| 2003-08-03 | Sale | TETRA Technologies, Inc. TTI | director | 500 0.0035% | $34.11 | $17,055 |