Kirsten M. Volpi - 10 Feb 2026 Form 4 Insider Report for TETRA TECH INC (TTEK)

Role
Director
Signature
/s/ Preston Hopson, Attorney-in-fact for Kirsten M. Volpi
Issuer symbol
TTEK
Transactions as of
10 Feb 2026
Net transactions value
+$9,590
Form type
4
Filing time
12 Feb 2026, 17:02:09 UTC
Previous filing
02 Dec 2025
SEC
View on sec.gov

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 12 Feb 2026 0001582882

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TTEK COMMON STOCK Options Exercise $9,590 +1,000 +1.4% $9.59 70,218 10 Feb 2026 Direct

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 STOCK OPTION (RIGHT TO BUY) Options Exercise $0 -1,000 -11% $0.000000 8,000 10 Feb 2026 COMMON STOCK 1,000 $9.59 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The option becomes exercisable as to 100% of the shares on the anniversary of the grant date.