Kimberly E. Ritrievi - Nov 19, 2025 Form 4 Insider Report for TETRA TECH INC (TTEK)

Role
Director
Signature
/s/ Preston Hopson, Attorney-in-fact for Kimberly E. Ritrievi
Stock symbol
TTEK
Transactions as of
Nov 19, 2025
Transactions value $
$0
Form type
4
Date filed
12/3/2025, 05:54 PM
Previous filing
Jul 2, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Ritrievi Kimberly E Director 3475 EAST FOOTHILL BOULEVARD, PASADENA, /s/ Preston Hopson, Attorney-in-fact for Kimberly E. Ritrievi 2025-12-03 0001592089

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) Award $0 +1.96K $0.00 1.96K Nov 19, 2025 COMMON STOCK 1.96K Direct F1, F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.