TETRA TECH INC — Director's Dealing 2021

Nov 22, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TETRA TECH INC (TTEK)
CIK: 0000831641
Period of Report: 2021-11-18

Reporting Person: SHOEMAKER LESLIE L (President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-11-18	COMMON STOCK	M	1001	—	Acquired	60685	Direct
2021-11-18	COMMON STOCK	M	815	—	Acquired	61500	Direct
2021-11-18	COMMON STOCK	M	738	—	Acquired	62238	Direct
2021-11-18	COMMON STOCK	F	1844	$187.88	Disposed	60452	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-11-18	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	$0.0	M	1001	Disposed	2022-11-18	COMMON STOCK (1001.0)	Direct
2021-11-18	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	$0.0	M	815	Disposed	2023-11-21	COMMON STOCK (815.0)	Direct
2021-11-18	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	$0.0	M	738	Disposed	2024-11-19	COMMON STOCK (738.0)	Direct

Footnotes

F1: The award becomes vested as to 25% of the RSUs on the anniversary of the grant date.

F2: Represents the combined number of shares withheld to pay the related tax liability on a total of 3,413 restricted stock units (RSUs) which vested on 11/18/2021.

F3: Amount of securities beneficially owned have also been updated to reflect the acquisition of 58 shares of common stock pursuant to the Tetra Tech, Inc. Employee Stock Purchase Plan (ESPP) on December 15, 2020.

F4: The RSUs become vested as to 25% of the shares on November 18, 2019, 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, 2020, 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, 2021, and the anniversary of that date going forward until fully vested.