| 2017-11-29 | Sale | Tetra Tech, Inc. TTEK | SVP, GENERAL COUNSEL | 14,840 0.0265% | $50.04 | $742,552 | +11.66% | |
| 2017-05-08 | Sale | Tetra Tech, Inc. TTEK | SVP and General Counsel | 33,500 0.0587% | $46.46 | $1.56M | +4.08% | |
| 2016-07-21 | Sale | Tetra Tech, Inc. TTEK | SVP and GENERAL COUNSEL | 33,500 0.0567% | $32.00 | $1.07M | +28.25% | |
| 2015-08-13 | Sale | Tetra Tech, Inc. TTEK | SVP and General Counsel | 33,500 0.0565% | $27.50 | $921,250 | +1.6% | |
| 2014-08-06 | Sale | Tetra Tech, Inc. TTEK | SENIOR VICE PRESIDENT | 26,888 0.0414% | $25.07 | $674,002 | +1.3% | |
| 2014-08-05 | Sale | Tetra Tech, Inc. TTEK | SENIOR VICE PRESIDENT | 32,608 0.0508% | $25.27 | $823,844 | +1.52% | |
| 2014-02-14 | Sale | Tetra Tech, Inc. TTEK | SENIOR VICE PRESIDENT | 2,950 0.0045% | $28.62 | $84,443 | -6.86% | |
| 2014-02-13 | Sale | Tetra Tech, Inc. TTEK | SENIOR VICE PRESIDENT | 47,050 0.0726% | $28.75 | $1.35M | -7.01% | |
| 2013-11-18 | Sale | Tetra Tech, Inc. TTEK | SENIOR VICE PRESIDENT | 30,000 0.0475% | $29.19 | $875,646 | -4.91% | |
| 2011-11-15 | Sale | Tetra Tech, Inc. TTEK | SENIOR VICE PRESIDENT | 34,266 0.0531% | $22.04 | $755,305 | +11.28% | |
| 2009-08-14 | Sale | Tetra Tech, Inc. TTEK | VICE PRESIDENT | 7,024 0.0114% | $30.70 | $215,651 | -23.47% | |
| 2008-05-19 | Sale | Tetra Tech, Inc. TTEK | VICE PRESIDENT | 17,610 0.0308% | $25.49 | $448,854 | -8.55% | |
| 2003-05-07 | Sale | Tetra Tech, Inc. TTEK | VICE PRESIDENT | 5,960 – | $0 | $0 | +26.17% |