William R. Brownlie - 18 Mar 2022 Form 4 Insider Report for TETRA TECH INC (TTEK)

Role: SVP, Chief Engineer
Signature: /s/ Preston Hopson, Attorney-in-fact for William R. Brownlie
Issuer symbol: TTEK
Transactions as of: 18 Mar 2022
Net transactions value: -$1,236,254
Form type: 4
Filing time: 21 Mar 2022, 20:50:08 UTC
Previous filing: 24 Nov 2021
Next filing: 07 Nov 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TTEK	COMMON STOCK	Options Exercise	$244,440	+8,967	+10%	$27.26	96,843	18 Mar 2022	Direct
transaction	TTEK	COMMON STOCK	Sale	$1,480,695	-8,967	-9.3%	$165.13	87,876	18 Mar 2022	Direct	F1
transaction	TTEK	COMMON STOCK	Gift	$0	-2,500	-2.8%	$0.000000	85,376	18 Mar 2022	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	COMMON STOCK	Options Exercise	$0	-8,967	-100%	$0.000000^*	0	18 Mar 2022	COMMON STOCK	8,967	$27.26	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	$165.1271 is an average price. Shares were sold at prices ranging from $163.70 to $165.61 per share.
F2	Bona fide gift. No compensation was given to the donor for the gifting of shares.
F3	The option becomes exercisable as to 25% of the shares on each anniversary of the grant date.