TETRA TECH INC — Director's Dealing 2021

Feb 8, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TETRA TECH INC (TTEK)
CIK: 0000831641
Period of Report: 2021-02-05

Reporting Person: THOMPSON J KENNETH (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-02-05	COMMON STOCK	M	4200	$27.26	Acquired	28638	Direct
2021-02-05	COMMON STOCK	S	4200	$134.2069	Disposed	24438	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-02-05	STOCK OPTION (RIGHT TO BUY)	$27.26	M	4200	Disposed	2024-11-22	COMMON STOCK (4200.0)	Direct

Footnotes

F1: $134.2069 is an average price. Shares were sold at prices ranging from $134.00 to $134.30 per share.

F2: The option became exercisable as to 100% of the shares on the anniversary of the grant date.

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