Mark A. Rynning - 18 Nov 2021 Form 4 Insider Report for TETRA TECH INC (TTEK)

Signature
/s/ Preston Hopson, Attorney-in-fact for Mark A. Rynning
Issuer symbol
TTEK
Transactions as of
18 Nov 2021
Net transactions value
-$91,498
Form type
4
Filing time
22 Nov 2021, 18:43:43 UTC

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TTEK COMMON STOCK Options Exercise $0 +539 +228% $0.000000 775 18 Nov 2021 Direct F1
transaction TTEK COMMON STOCK Options Exercise $0 +466 +60% $0.000000 1,241 18 Nov 2021 Direct F1
transaction TTEK COMMON STOCK Options Exercise $0 +410 +33% $0.000000 1,651 18 Nov 2021 Direct F1
transaction TTEK COMMON STOCK Tax liability $91,498 -487 -29% $187.88 1,164 18 Nov 2021 Direct F2

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) Options Exercise $0 -539 -50% $0.000000 539 18 Nov 2021 COMMON STOCK 539 $0.000000 Direct F3
transaction TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) Options Exercise $0 -466 -33% $0.000000 930 18 Nov 2021 COMMON STOCK 466 $0.000000 Direct F4
transaction TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) Options Exercise $0 -410 -25% $0.000000 1,229 18 Nov 2021 COMMON STOCK 410 $0.000000 Direct F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Mark A. Rynning is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id Content
F1 The award becomes vested as to 25% of the RSUs on the anniversary of the grant date.
F2 Represents the combined number of shares withheld to pay the related tax liability on a total of 1,845 restricted stock units (RSUs) which vested on 11/18/2021.
F3 The RSUs become vested as to 25% of the shares on November 18, 2019, and the anniversary of that date going forward until fully vested.
F4 The RSUs become vested as to 25% of the shares on November 18, 2020, and the anniversary of that date going forward until fully vested.
F5 The RSUs become vested as to 25% of the shares on November 18, 2021, and the anniversary of that date going forward until fully vested.