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: Argus Roger R (President, GS and C/I Groups)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-11-18	COMMON STOCK	M	581	—	Acquired	2700	Direct
2023-11-18	COMMON STOCK	M	574	—	Acquired	3274	Direct
2023-11-18	COMMON STOCK	M	411	—	Acquired	3685	Direct
2023-11-18	COMMON STOCK	M	507	—	Acquired	4192	Direct
2023-11-18	COMMON STOCK	F	1120	$165.10	Disposed	3072	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	581	Disposed		COMMON STOCK (581)	Direct
2023-11-18	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	$0	M	574	Disposed		COMMON STOCK (574)	Direct
2023-11-18	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	$0	M	411	Disposed		COMMON STOCK (411)	Direct
2023-11-18	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	$0	M	507	Disposed		COMMON STOCK (507)	Direct

Footnotes

F1: Represents the shares underlying restricted stock units (RSUs) which vested on 11/18/2023 and were withheld to pay the related tax liability.

F2: The RSUs become vested as to 25% of the shares on November 21, 2020, and the anniversary of that date going forward until fully vested.

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

F4: 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.

F5: The RSUs become vested as to 25% of the shares on November 18, 2022, and the anniversary of that date going forward until fully vested.

F6: The RSUs become vested as to 25% of the shares on November 18, 2023, and the anniversary of that date going forward until fully vested.