| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Ritrievi Kimberly E | Director | 3475 EAST FOOTHILL BOULEVARD, PASADENA, | /s/ Preston Hopson, Attorney-in-fact for Kimberly E. Ritrievi | 14 Jan 2026 | 0001592089 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | TTEK | COMMON STOCK | Award | $0 | +2,208 | +1.5% | $0.000000 | 145,408 | 12 Jan 2026 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | The PSUs vested on 11/20/2024 but were deferred pursuant to the Issuer's Deferred Compensation Plan and settled according to the Reporting Person's elected distribution schedule. |
| F2 | Shares acquired pursuant to vesting of performance stock units earned under 2018 Equity Incentive Plan. |