| 2013-01-04 | Sale | Tetra Tech, Inc. TTEK | EXECUTIVE VICE PRESIDENT | 13,076 0.0201% | $28.00 | $366,128 | -4.99% | |
| 2012-12-18 | Sale | Tetra Tech, Inc. TTEK | EXECUTIVE VICE PRESIDENT | 12,158 0.0191% | $27.00 | $328,327 | -1.15% | |
| 2012-11-19 | Sale | Tetra Tech, Inc. TTEK | EXECUTIVE VICE PRESIDENT | 18,650 0.0291% | $25.04 | $466,956 | +4.86% | |
| 2012-11-13 | Sale | Tetra Tech, Inc. TTEK | EXECUTIVE VICE PRESIDENT | 816 0.0013% | $25.00 | $20,400 | +7.23% | |
| 2012-11-12 | Sale | Tetra Tech, Inc. TTEK | EXECUTIVE VICE PRESIDENT | 10,086 0.0159% | $25.14 | $253,576 | +4.73% | |
| 2012-09-25 | Sale | Tetra Tech, Inc. TTEK | EXECUTIVE VICE PRESIDENT | 22,162 0.0354% | $27.06 | $599,686 | -1.9% | |
| 2012-09-06 | Sale | Tetra Tech, Inc. TTEK | EXECUTIVE VICE PRESIDENT | 24,320 0.0383% | $27.21 | $661,652 | -3.15% | |
| 2012-08-15 | Sale | Tetra Tech, Inc. TTEK | EXECUTIVE VICE PRESIDENT | 42,800 0.0666% | $26.51 | $1.13M | -1.14% | |
| 2012-08-14 | Sale | Tetra Tech, Inc. TTEK | EXECUTIVE VICE PRESIDENT | 67,958 0.1072% | $26.62 | $1.81M | -0.13% | |
| 2009-12-11 | Sale | Tetra Tech, Inc. TTEK | SENIOR VICE PRESIDENT | 29,238 0.0476% | $26.08 | $762,628 | -18.16% | |
| 2009-06-03 | Sale | Tetra Tech, Inc. TTEK | SENIOR VICE PRESIDENT | 16,900 0.028% | $27.22 | $460,018 | -3.22% | |
| 2006-05-17 | Tetra Tech, Inc. TTEK | SENIOR VICE PRESIDENT | 8,200 0.0146% | $18.12 | $148,584 | -0.06% |