| 2023-11-27 | Sale | Tetra Tech, Inc. TTEK | President, GS and C/I Groups | 3,670 0.0067% | $163.92 | $601,586 | +8.49% | |
| 2022-11-23 | Sale | Tetra Tech, Inc. TTEK | SVP, Government Services Group | 4,115 0.0077% | $153.67 | $632,360 | -0.9% | |
| 2021-11-24 | Sale | Tetra Tech, Inc. TTEK | SVP, Government Services Group | 4,370 0.0081% | $188.93 | $825,623 | -24.22% | |
| 2020-11-19 | Sale | Tetra Tech, Inc. TTEK | SVP, Government Services Group | 4,164 0.0077% | $120.98 | $503,775 | +9.54% | |
| 2020-11-18 | Sale | Tetra Tech, Inc. TTEK | SVP, Government Services Group | 1,395 0.0027% | $125.24 | $174,710 | +8.77% | |
| 2019-11-21 | Sale | Tetra Tech, Inc. TTEK | SVP, Government Services Group | 816 0.0015% | $85.77 | $69,988 | +3.78% | |
| 2019-11-20 | Sale | Tetra Tech, Inc. TTEK | SVP, Government Services Group | 4,872 0.0089% | $86.47 | $421,257 | +0.91% | |
| 2018-11-26 | Sale | Tetra Tech, Inc. TTEK | SVP, Government Services Group | 5,736 0.0097% | $59.04 | $338,629 | +9.28% | |
| 2017-11-24 | Sale | Tetra Tech, Inc. TTEK | SVP, Gov't Svcs. Group | 780 0.0014% | $49.65 | $38,727 | +7.89% | |
| 2017-11-22 | Sale | Tetra Tech, Inc. TTEK | SVP, Gov't Svcs. Group | 2,276 0.0041% | $49.63 | $112,947 | +9.16% |