| 2021-02-16 | Sale | Tetra Tech, Inc. TTEK | SVP, Comm./Int'l Svcs. Group | 7,447 0.0137% | $136.69 | $1.02M | +2.28% | |
| 2020-01-22 | Sale | Tetra Tech, Inc. TTEK | SVP, Comm./Int'l Svcs. Group | 9,566 0.0175% | $90.00 | $860,940 | +0.86% | |
| 2019-03-15 | Sale | Tetra Tech, Inc. TTEK | SVP, Commercial Account Mgmt. | 9,236 0.0168% | $58.95 | $544,485 | +41.85% |