Form 4 for TTEK TETRA TECH INC
Accepted 2025-11-20 00:00:00 ET · period of report 2025-11-18 · accession 0001721930-25-000003 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2025-11-20 | 2025-11-18 | TTEK | Argus Roger R | Pres | M - OptEx | $0.00 | +4,590 | 30.3K | +18% | $0 |
| DM | 2025-11-20 | 2025-11-18 | TTEK | Argus Roger R | Pres | F - Tax | $35.69 | -14.6K | 27.7K | -35% | -$521.8K |
| D | 2025-11-20 | 2025-11-18 | TTEK | Argus Roger R | Pres | A - Grant | $0.00 | +21.9K | 49.7K | +79% | $0 |
| DM | 2025-11-20 | 2025-11-18 | TTEK | Argus Roger R | Pres | M - OptEx | $0.00 | -4,590 | 2,535 | -64% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | COMMON STOCK | 2025-11-18 | M | A | 2,055 | $0.00 | 27,747 | D | — | — | (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). |
| 2 | Common | COMMON STOCK | 2025-11-18 | M | A | 2,535 | $0.00 | 30,282 | D | — | — | |
| 3 | Common | COMMON STOCK | 2025-11-18 | F | D | 12,086 | $35.69 | 37,565 | D | — | — | (F4) Represents the shares withheld to pay the related tax liability of performance stock units that vested on November 18, 2025. |
| 4 | Common | COMMON STOCK | 2025-11-18 | A | A | 21,902 | $0.00 | 49,651 | D | — | — | (F3) Shares acquired pursuant to vesting of performance stock units earned under 2018 Equity Incentive Plan. |
| 5 | Common | COMMON STOCK | 2025-11-18 | F | D | 2,533 | $35.69 | 27,749 | D | — | — | (F2) Represents the shares withheld to pay the related tax liability of the restricted stock units (RSUs) that vested on November 18, 2025. |
| 6 | Derivative | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 2025-11-18 | M | D | 2,055 | $0.00 | 0 | D | — · 2022-11-18 to — | 2,055 COMMON STOCK | (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. |
| 7 | Derivative | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 2025-11-18 | M | D | 2,535 | $0.00 | 2,535 | D | — · 2023-11-18 to — | 2,535 COMMON STOCK | (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. (F8) The RSUs become vested as to 25% of the shares on November 18, 2023, 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. |