| Date | Issuer | Type | Security | Price | Units | Value | |
|---|---|---|---|---|---|---|---|
| Tetra Tech Inc. | S | COMMON STOCK | |||||
| Tetra Tech Inc. | A | COMMON STOCK | |||||
| Tetra Tech Inc. | M | COMMON STOCK | |||||
| Tetra Tech Inc. | M | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | |||||
| Tetra Tech Inc. | A | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) |