InsiderTrades

Form 4 for TTEK TETRA TECH INC

Accepted 2025-12-02 00:00:00 ET · period of report 2025-11-19 · accession 0001277150-25-000005 · 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 2025-11-30 TTEK BURDICK STEVEN M EVP, CFO M - OptEx $0.00 +7,327 153.3K +5% $0
D 2025-12-02 2025-11-30 TTEK BURDICK STEVEN M EVP, CFO F - Tax $34.74 -4,044 149.2K -3% -$140.5K
DM 2025-12-02 2025-11-30 TTEK BURDICK STEVEN M EVP, CFO M - OptEx $0.00 -7,327 11.0K -40% $0
D 2025-12-02 2025-11-19 TTEK BURDICK STEVEN M EVP, CFO A - Grant $0.00 +19.6K 19.6K New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common COMMON STOCK 2025-11-30 M A 3,645 $0.00 149,581 D — —
2 Common COMMON STOCK 2025-11-30 M A 3,682 $0.00 153,263 D — —
3 Common COMMON STOCK 2025-11-30 F D 4,044 $34.74 149,219 D — — (F1) Represents the shares withheld to pay the related tax liability of the restricted stock units (RSUs) that vested on November 30, 2025.
4 Derivative RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) 2025-11-30 M D 3,645 $0.00 7,285 D — · 2024-11-30 to — 3,645 COMMON STOCK (F2) 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. (F5) The RSUs become vested as to 25% of the shares on November 30, 2024, and 25% annually, thereafter, until fully vested. (F4) The RSUs are exercisable at the time of vesting and do not have a set expiration date.
5 Derivative RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) 2025-11-19 A A 19,641 $0.00 19,641 D — · 2026-11-30 to — 19,641 COMMON STOCK (F2) 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. (F3) The RSUs become vested as to 25% of the shares on November 30, 2026, and 25% annually, thereafter, until fully vested. (F4) The RSUs are exercisable at the time of vesting and do not have a set expiration date.
6 Derivative RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) 2025-11-30 M D 3,682 $0.00 11,046 D — · 2025-11-30 to — 3,682 COMMON STOCK (F2) 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 30, 2025, and 25% annually, thereafter, until fully vested. (F4) The RSUs are exercisable at the time of vesting and do not have a set expiration date.