Roger R. Argus - 19 Feb 2026 Form 4 Insider Report for TETRA TECH INC (TTEK)

Role
President and CEO
Signature
/s/ Preston Hopson, Attorney-in-fact for Roger R. Argus
Issuer symbol
TTEK
Transactions as of
19 Feb 2026
Net transactions value
$0
Form type
4
Filing time
20 Feb 2026, 19:02:28 UTC
Previous filing
02 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Argus Roger R President and CEO 3475 EAST FOOTHILL BOULEVARD, PASADENA /s/ Preston Hopson, Attorney-in-fact for Roger R. Argus 20 Feb 2026 0001721930

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 +28,174 $0.000000 28,174 19 Feb 2026 COMMON STOCK 28,174 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 vested as to 25% of the shares on February 19, 2027, and 25% annually, thereafter, until fully vested.
F3 The RSUs are exercisable at the time of vesting and do not have a set expiration date.