| 2021-09-02 | Sale | Tetra Tech, Inc. TTEK | SVP, Corporate Administration | 3,878 0.007% | $146.00 | $566,188 | +0.19% | |
| 2021-02-19 | Sale | Tetra Tech, Inc. TTEK | SVP, Corporate Administration | 10,708 0.0192% | $138.92 | $1.49M | -2.24% | |
| 2021-02-18 | Sale | Tetra Tech, Inc. TTEK | SVP, Corporate Administration | 2,722 0.0051% | $137.25 | $373,595 | +2.82% | |
| 2020-11-23 | Sale | Tetra Tech, Inc. TTEK | SVP, Corporate Administration | 10,030 0.0187% | $123.00 | $1.23M | +9% | |
| 2020-08-24 | Sale | Tetra Tech, Inc. TTEK | SVP, Corporate Administration | 2,936 0.0054% | $93.51 | $274,534 | +31.95% | |
| 2020-08-20 | Sale | Tetra Tech, Inc. TTEK | SVP, Corporate Administration | 4,000 0.0076% | $94.44 | $377,760 | +32.97% | |
| 2020-08-19 | Sale | Tetra Tech, Inc. TTEK | SVP, Corporate Administration | 1,016 0.0019% | $95.07 | $96,595 | +30.56% | |
| 2020-02-13 | Sale | Tetra Tech, Inc. TTEK | SVP, Corporate Administration | 7,992 0.0143% | $96.00 | $767,232 | -5.31% | |
| 2020-02-12 | Sale | Tetra Tech, Inc. TTEK | SVP, Corporate Administration | 16,179 0.0217% | $70.49 | $1.14M | -2.9% | |
| 2019-09-12 | Sale | Tetra Tech, Inc. TTEK | SVP, Corporate Administration | 17,510 0.0318% | $82.66 | $1.45M | +3.87% | |
| 2019-09-06 | Sale | Tetra Tech, Inc. TTEK | SVP, Corporate Administration | 6,000 0.011% | $83.00 | $498,000 | +4.19% | |
| 2018-03-16 | Sale | Tetra Tech, Inc. TTEK | SVP, CORPORATE ADMINISTRATION | 30,178 0.0388% | $36.81 | $1.11M | +14.52% | |
| 2018-03-13 | Sale | Tetra Tech, Inc. TTEK | SVP, CORPORATE ADMINISTRATION | 400 0.0007% | $52.09 | $20,835 | +13.2% | |
| 2018-03-12 | Sale | Tetra Tech, Inc. TTEK | SVP, CORPORATE ADMINISTRATION | 2,922 0.0038% | $37.39 | $109,254 | +12.57% | |
| 2018-03-06 | Sale | Tetra Tech, Inc. TTEK | SVP, CORPORATE ADMINISTRATION | 33,500 0.0437% | $36.75 | $1.23M | +15.33% | |
| 2017-05-09 | Sale | Tetra Tech, Inc. TTEK | Senior Vice President | 33,500 0.0586% | $46.30 | $1.55M | +4.25% | |
| 2016-07-22 | Sale | Tetra Tech, Inc. TTEK | SVP, CORPORATE ADMINISTRATION | 9,500 0.0161% | $32.50 | $308,750 | +26.59% | |
| 2016-07-21 | Sale | Tetra Tech, Inc. TTEK | SVP, CORPORATE ADMINISTRATION | 8,000 0.0135% | $32.00 | $256,000 | +28.25% | |
| 2016-06-23 | Sale | Tetra Tech, Inc. TTEK | SVP | 16,000 0.0276% | $31.25 | $500,000 | +30.8% | |
| 2015-08-03 | Sale | Tetra Tech, Inc. TTEK | SENIOR VICE PRESIDENT | 33,500 0.0557% | $26.30 | $881,053 | +3.75% |