TETRA TECH INC — Director's Dealing 2021

Nov 24, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TETRA TECH INC (TTEK)
CIK: 0000831641
Period of Report: 2021-11-23

Reporting Person: Hopson Preston III (SVP, General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-11-23	COMMON STOCK	A	6466	—	Acquired	10924	Direct
2021-11-23	COMMON STOCK	F	3043	$190.38	Disposed	7881	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-11-23	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	$0.0	A	1645	Acquired	2025-11-18	COMMON STOCK (1645.0)	Direct

Footnotes

F1: Shares acquired pursuant to vesting of performance stock units (PSUs) earned under 2018 Equity Incentive Plan.

F2: Represents the combined number of shares withheld to pay the related tax liability on a total of 6,466 performance stock units (PSUs) which vested on November 23, 2021.

F3: 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.