InsiderTrades

Form 4 for TTEK TETRA TECH INC

Accepted 2026-02-12 00:00:00 ET · period of report 2026-02-10 · accession 0001628280-26-007775 · 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 2026-02-12 2026-02-10 TTEK Volpi Kirsten M Dir M - OptEx $9.59 +1,000 70.2K +1% +$9,590
D 2026-02-12 2026-02-10 TTEK Volpi Kirsten M Dir M - OptEx $0.00 -1,000 8,000 -11% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common COMMON STOCK 2026-02-10 M A 1,000 $9.59 70,218 D — —
2 Derivative STOCK OPTION (RIGHT TO BUY) 2026-02-10 M D 1,000 $0.00 8,000 D $9.59 · 2018-11-17 to 2027-11-18 1,000 COMMON STOCK (F1) The option becomes exercisable as to 100% of the shares on the anniversary of the grant date.