TETRA TECH INC — Director's Dealing 2021

Feb 24, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TETRA TECH INC (TTEK)
CIK: 0000831641
Period of Report: 2021-02-22

Reporting Person: CARTER BRIAN N (SVP, Corporate Controller)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-02-22	COMMON STOCK	M	6459	$40.80	Acquired	13249	Direct
2021-02-22	COMMON STOCK	S	6459	$141.2364	Disposed	6790	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-02-22	STOCK OPTION (RIGHT TO BUY)	$40.8	M	6459	Disposed	2026-11-18	COMMON STOCK (6459.0)	Direct

Footnotes

F1: $141.2364 is an average price. Shares were sold at prices ranging from $140.9159 to $141.5200 per share.

F2: The option becomes exercisable as to 25% of the shares on each anniversary of the grant date.

F3: The option granted expires 10 years after the grant date.