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TETRA TECH INC — Director's Dealing 2025
Nov 20, 2025
30629_dirs_2025-11-20_e71b115b-47f9-4368-b3df-c98323212b34.zip
Director's Dealing
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SEC Form 4 — Statement of Changes in Beneficial Ownership
Issuer: TETRA TECH INC (TTEK)
CIK: 0000831641
Period of Report: 2025-11-18
Reporting Person: Hopson Preston (EVP, Chief Legal/Human Capital)
Non-Derivative Transactions
| Date | Security | Code | Shares | Price | A/D | Holdings After | Ownership |
|---|---|---|---|---|---|---|---|
| 2025-11-18 | COMMON STOCK | M | 2055 | — | Acquired | 65986 | Direct |
| 2025-11-18 | COMMON STOCK | M | 2535 | — | Acquired | 68521 | Direct |
| 2025-11-18 | COMMON STOCK | F | 1807 | $35.69 | Disposed | 66714 | Direct |
| 2025-11-18 | COMMON STOCK | A | 21902 | — | Acquired | 88616 | Direct |
| 2025-11-18 | COMMON STOCK | F | 8620 | $35.69 | Disposed | 79996 | Direct |
Derivative Transactions
| Date | Security | Exercise Price | Code | Shares | A/D | Expiration | Underlying | Ownership |
|---|---|---|---|---|---|---|---|---|
| 2025-11-18 | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | $ | M | 2055 | Disposed | COMMON STOCK (2055) | Direct | |
| 2025-11-18 | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | $ | M | 2535 | Disposed | COMMON STOCK (2535) | Direct |
Footnotes
F1: Amount of securities beneficially owned was updated to reflect that 149 shares of common stock were acquired by the Reporting Person on December 15, 2024, pursuant to the Tetra Tech, Inc. Employee Stock Purchase Plan (ESPP).
F2: Represents the shares withheld to pay the related tax liability of the restricted stock units (RSUs) that vested on November 18, 2025.
F3: Shares acquired pursuant to vesting of performance stock units earned under 2018 Equity Incentive Plan.
F4: Represents the shares withheld to pay the related tax liability of performance stock units that vested on November 18, 2025.
F5: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock.
F6: The RSUs become vested as to 25% of the shares on November 18, 2022, and 25% annually, thereafter, until fully vested.
F7: The RSUs are exercisable at the time of vesting and do not have a set expiration date.
F8: The RSUs become vested as to 25% of the shares on November 18, 2023, and 25% annually, thereafter, until fully vested.