Kirsten M. Volpi - Nov 18, 2025 Form 4 Insider Report for TETRA TECH INC (TTEK)

Role
Director
Signature
/s/ Preston Hopson, Attorney-in-fact for Kirsten M. Volpi
Stock symbol
TTEK
Transactions as of
Nov 18, 2025
Transactions value $
$0
Form type
4
Date filed
11/20/2025, 06:38 PM
Previous filing
Feb 6, 2025
Next filing
Dec 2, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Volpi Kirsten M Director 3475 EAST FOOTHILL BOULEVARD, PASADENA /s/ Preston Hopson, Attorney-in-fact for Kirsten M. Volpi 2025-11-20 0001582882

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TTEK COMMON STOCK Award $0 +4.1K +6.58% $0.00 66.5K Nov 18, 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares acquired pursuant to vesting of performance stock units earned under 2018 Equity Incentive Plan.