| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Volpi Kirsten M | Director | 3475 EAST FOOTHILL BOULEVARD, PASADENA | /s/ Preston Hopson, Attorney-in-fact for Kirsten M. Volpi | 2025-11-20 | 0001582882 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | TTEK | COMMON STOCK | Award | $0 | +4.1K | +6.58% | $0.00 | 66.5K | Nov 18, 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Shares acquired pursuant to vesting of performance stock units earned under 2018 Equity Incentive Plan. |