InsiderTrades

Form 4 for TTEK TETRA TECH INC

Accepted 2026-08-06 17:17:14 ET · period of report 2026-08-04 · accession 0001582882-26-000004 · 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 2026-08-06 17:17 2026-08-04 TTEK Volpi Kirsten M Dir M - OptEx $9.59 +2,300 74.2K +3% +$22.1K
D 2026-08-06 17:17 2026-08-04 TTEK Volpi Kirsten M Dir M - OptEx $0.00 -2,300 4,000 -37% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common COMMON STOCK 2026-08-04 M A 2,300 $9.59 74,218 D — —
2 Derivative STOCK OPTION (RIGHT TO BUY) 2026-08-04 M D 2,300 $0.00 4,000 D $9.59 · 2018-11-17 to 2027-11-18 2,300 COMMON STOCK (F1) The option becomes exercisable as to 100% of the shares on the anniversary of the grant date.