InsiderTrades

Form 4 for TTEK TETRA TECH INC

Accepted 2026-02-20 00:00:00 ET · period of report 2026-02-19 · accession 0001902712-26-000002 · 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
D 2026-02-20 2026-02-19 TTEK Obiaya Christiana Dir M - OptEx $0.00 +495 9,666 +5% $0
D 2026-02-20 2026-02-19 TTEK Obiaya Christiana Dir M - OptEx $0.00 -495 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common COMMON STOCK 2026-02-19 M A 495 $0.00 9,666 D — —
2 Derivative RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) 2026-02-19 M D 495 $0.00 0 D — · 2026-11-30 to — 495 COMMON STOCK (F4) Balance of 1,469 RSUs were cancelled upon retirement. (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) Vesting of the RSUs, which was initially scheduled for November 18, 2026, was accelerated on the Reporting Person's retirement from the Issuer's board of directors. (F3) The RSUs are exercisable at the time of vesting and do not have a set expiration date.