Derek G. Amidon - 18 Nov 2021 Form 4 Insider Report for TETRA TECH INC (TTEK)

Signature
/s/ Preston Hopson, Attorney-in-fact for Derek G. Amidon
Issuer symbol
TTEK
Transactions as of
18 Nov 2021
Transactions value $
$-172,474
Form type
4
Filing time
22 Nov 2021, 18:39:31 UTC
Next filing
24 Nov 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TTEK COMMON STOCK Options Exercise $0 +539 +36.3% $0.000000 2,023 18 Nov 2021 Direct F1
transaction TTEK COMMON STOCK Options Exercise $0 +524 +25.9% $0.000000 2,547 18 Nov 2021 Direct F1
transaction TTEK COMMON STOCK Options Exercise $0 +574 +22.5% $0.000000 3,121 18 Nov 2021 Direct F1
transaction TTEK COMMON STOCK Tax liability $-172,474 -918 -29.4% $187.88 2,203 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 -524 -33.4% $0.000000 1,046 18 Nov 2021 COMMON STOCK 524 $0.000000 Direct F4
transaction TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) Options Exercise $0 -574 -25% $0.000000 1,721 18 Nov 2021 COMMON STOCK 574 $0.000000 Direct F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

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 2,067 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.