TETRA TECH INC — Director's Dealing 2023

Nov 21, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TETRA TECH INC (TTEK)
CIK: 0000831641
Period of Report: 2023-11-18

Reporting Person: Volpi Kirsten M (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-11-20	COMMON STOCK	S	559	$165.50	Disposed	11608	Direct
2023-11-18	COMMON STOCK	M	380	—	Acquired	11988	Direct
2023-11-18	COMMON STOCK	M	200	$47.95	Acquired	12188	Direct
2023-11-18	COMMON STOCK	M	2000	$40.80	Acquired	14188	Direct
2023-11-18	COMMON STOCK	M	200	$47.95	Acquired	14388	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-11-18	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	$0	M	380	Disposed		COMMON STOCK (380)	Direct
2023-11-18	STOCK OPTION	$40.80	M	2000	Disposed	2026-11-18	COMMON STOCK (2000)	Direct
2023-11-18	STOCK OPTION (RIGHT TO BUY)	$47.95	M	200	Disposed	2027-11-17	COMMON STOCK (200)	Direct

Footnotes

F1: All shares sold at an exact price.

F2: The restricted stock units (RSUs) became vested as to 100% of the shares underlying the RSUs on November 18, 2023.

F3: The RSUs are exercisable at the time of vesting and do not have a set expiration date.

F4: The option becomes exercisable as to 100% of the shares on the anniversary of the grant date.