TETRA TECH INC — Director's Dealing 2023

Nov 22, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TETRA TECH INC (TTEK)
CIK: 0000831641
Period of Report: 2023-11-21

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-11-21	COMMON STOCK	A	6326	—	Acquired	18288	Direct
2023-11-21	COMMON STOCK	F	2101	$164.32	Disposed	16187	Direct
2023-11-21	COMMON STOCK	S	1395	$164.1323	Disposed	14792	Direct
2023-11-22	COMMON STOCK	S	1050	$165.2218	Disposed	13742	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-11-21	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	$0	A	2186	Acquired		COMMON STOCK (2186)	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 of the performance stock units that vested on November 21, 2023.

F3: All shares sold at an exact price.

F4: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock.

F5: The RSUs become vested as to 25% of the shares on November 30, 2024, and 25% of the shares on each anniversary date thereafter until fully vested.

F6: The RSUs are exercisable at the time of vesting and do not have a set expiration date.