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: Argus Roger R (SVP, Government Services Group)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-11-23	COMMON STOCK	A	6466	—	Acquired	9480	Direct
2021-11-23	COMMON STOCK	F	3491	$190.38	Disposed	5989	Direct
2021-11-24	COMMON STOCK	S	2975	$188.653	Disposed	3014	Direct
2021-11-24	COMMON STOCK	S	976	$189.52	Disposed	2038	Direct
2021-11-24	COMMON STOCK	M	1395	$47.95	Acquired	3433	Direct
2021-11-24	COMMON STOCK	S	1395	$189.52	Disposed	2038	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
2021-11-24	STOCK OPTION (RIGHT TO BUY)	$47.95	M	1395	Disposed	2027-11-17	COMMON STOCK (1395.0)	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: All shares sold at an exact price.

F4: 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.

F5: The option becomes exercisable as to 25% of the Shares on each anniversary of the grant date.