InsiderTrades

Form 4 for TTEK TETRA TECH INC

Accepted 2025-12-02 00:00:00 ET · period of report 2025-11-19 · accession 0001582882-25-000005 · 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 2025-11-28+ TTEK Volpi Kirsten M Dir M - OptEx $3.53 +2,718 69.2K +4% +$9,590
DM 2025-12-02 2025-11-28+ TTEK Volpi Kirsten M Dir M - OptEx $3.53 -2,718 0 -100% -$9,590
D 2025-12-02 2025-11-19 TTEK Volpi Kirsten M Dir A - Grant $0.00 +1,964 1,964 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 1,718 $0.00 68,218 D — —
2 Common COMMON STOCK 2025-11-28 M A 1,000 $9.59 69,218 D — —
3 Derivative STOCK OPTION (RIGHT TO BUY) 2025-11-28 M D 1,000 $9.59 9,000 D $9.59 · 2018-11-17 to 2027-11-18 1,000 COMMON STOCK (F4) The option becomes exercisable as to 100% of the shares on the anniversary of the grant date.
4 Derivative RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) 2025-11-19 A A 1,964 $0.00 1,964 D — · 2026-11-30 to — 1,964 COMMON STOCK (F1) 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. (F2) The RSUs become 100% vested as to the shares underlying the RSUs on November 30, 2026. (F3) 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) 2025-11-30 M D 1,718 $0.00 0 D — · 2025-11-30 to — 1,718 COMMON STOCK (F1) 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 100% vested as to the shares underlying the RSUs on November 30, 2025. (F3) The RSUs are exercisable at the time of vesting and do not have a set expiration date.