TETRA TECH INC — Director's Dealing 2019

Jan 31, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TETRA TECH INC (TTEK)
CIK: 0000831641
Period of Report: 2019-01-29

Reporting Person: O'Rourke Brendan M. (SVP, Enterprise Risk Mgmt.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-01-29	COMMON STOCK	M	250	—	Acquired	250	Direct
2019-01-29	COMMON STOCK	F	103	$48.61	Disposed	147	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-01-29	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	$0.0	M	250	Disposed	2022-01-29	COMMON STOCK (250.0)	Direct

Footnotes

F1: 103 of the shares underlying the RSUs which vested on 01/29/2019 were withheld to pay the related tax liability.

F2: The restricted stock units (RSUs) became vested as to 25% of the shares on January 29, 2019, and on each anniversary of that date until the RSUs are fully vested.