Form 4 for TTEK TETRA TECH INC
Accepted 2025-12-02 00:00:00 ET · period of report 2025-11-18 · accession 0001561742-25-000003 · 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 | 2025-12-02 | 2025-11-18+ | TTEK | CARTER BRIAN N | SVP, Corp. Ctrl | M - OptEx | $0.00 | +5,008 | 51.5K | +11% | $0 |
| DM | 2025-12-02 | 2025-11-18+ | TTEK | CARTER BRIAN N | SVP, Corp. Ctrl | F - Tax | $35.53 | -8,711 | 50.2K | -15% | -$309.5K |
| D | 2025-12-02 | 2025-11-18 | TTEK | CARTER BRIAN N | SVP, Corp. Ctrl | A - Grant | $0.00 | +11.0K | 61.2K | +22% | $0 |
| DM | 2025-12-02 | 2025-11-18+ | TTEK | CARTER BRIAN N | SVP, Corp. Ctrl | M - OptEx | $0.00 | -5,008 | 1,265 | -80% | $0 |
| D | 2025-12-02 | 2025-11-19 | TTEK | CARTER BRIAN N | SVP, Corp. Ctrl | A - Grant | $0.00 | +5,612 | 5,612 | New | $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 | 2025-11-30 | M | A | 1,520 | $0.00 | 56,747 | D | — | — | |
| 2 | Common | COMMON STOCK | 2025-11-30 | M | A | 1,228 | $0.00 | 57,975 | D | — | — | |
| 3 | Common | COMMON STOCK | 2025-11-30 | F | D | 1,500 | $34.74 | 56,475 | D | — | — | (F4) Represents the shares withheld to pay the related tax liability of the restricted stock units (RSUs) that vested on November 30, 2025. |
| 4 | Common | COMMON STOCK | 2025-11-18 | F | D | 5,977 | $35.69 | 55,227 | D | — | — | (F3) Represents the shares withheld to pay the related tax liability of performance stock units that vested on November 18, 2025. |
| 5 | Common | COMMON STOCK | 2025-11-18 | M | A | 995 | $0.00 | 50,219 | D | — | — | |
| 6 | Common | COMMON STOCK | 2025-11-18 | M | A | 1,265 | $0.00 | 51,484 | D | — | — | |
| 7 | Common | COMMON STOCK | 2025-11-18 | F | D | 1,234 | $35.69 | 50,250 | D | — | — | (F1) Represents the shares withheld to pay the related tax liability of the restricted stock units (RSUs) that vested on November 18, 2025. |
| 8 | Common | COMMON STOCK | 2025-11-18 | A | A | 10,954 | $0.00 | 61,204 | D | — | — | (F2) Shares acquired pursuant to vesting of performance stock units earned under 2018 Equity Incentive Plan. |
| 9 | Derivative | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 2025-11-30 | M | D | 1,228 | $0.00 | 3,681 | D | — · 2025-11-30 to — | 1,228 COMMON STOCK | (F5) Represents an award of RSUs, each unit of which represents a contingent right to receive one share of Tetra Tech common stock. (F11) The RSUs become vested as to 25% of the shares on November 30, 2025, 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. |
| 10 | Derivative | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 2025-11-30 | M | D | 1,520 | $0.00 | 3,030 | D | — · 2024-11-30 to — | 1,520 COMMON STOCK | (F5) Represents an award of RSUs, each unit of which represents a contingent right to receive one share of Tetra Tech common stock. (F10) The RSUs become vested as to 25% of the shares on November 30, 2024, 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. |
| 11 | Derivative | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 2025-11-19 | A | A | 5,612 | $0.00 | 5,612 | D | — · 2026-11-30 to — | 5,612 COMMON STOCK | (F5) Represents an award of RSUs, each unit of which represents a contingent right to receive one share of Tetra Tech common stock. (F9) The RSUs become vested as to 25% of the shares on November 30, 2026, 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. |
| 12 | Derivative | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 2025-11-18 | M | D | 995 | $0.00 | 0 | D | — · 2022-11-18 to — | 995 COMMON STOCK | (F5) Represents an award of 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. |
| 13 | Derivative | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 2025-11-18 | M | D | 1,265 | $0.00 | 1,265 | D | — · 2023-11-18 to — | 1,265 COMMON STOCK | (F5) Represents an award of 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. |