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: BROWNLIE WILLIAM R (SVP, Chief Engineer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-11-18	COMMON STOCK	M	549	—	Acquired	84811	Direct
2021-11-18	COMMON STOCK	M	326	—	Acquired	85137	Direct
2021-11-18	COMMON STOCK	M	246	—	Acquired	85383	Direct
2021-11-18	COMMON STOCK	F	766	$187.88	Disposed	84617	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	539	Disposed	2022-11-18	COMMON STOCK (539.0)	Direct
2021-11-18	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	$0.0	M	326	Disposed	2023-11-18	COMMON STOCK (326.0)	Direct
2021-11-18	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	$0.0	M	246	Disposed	2024-11-19	COMMON STOCK (246.0)	Direct

Footnotes

F1: Shares automatically acquired upon the vesting of restricted stock units (RSUs).

F2: Represents the combined number of shares withheld to pay the related tax liability on a total of 1,541 restricted stock units (RSUs) which vested on 11/18/2021.

F3: 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.

F4: 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.

F5: 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.