TETRA TECH INC — Director's Dealing 2016

Nov 22, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TETRA TECH INC (TTEK)
CIK: 0000831641
Period of Report: 2016-11-18

Reporting Person: SALIN JANIS B (SVP and General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-11-18	COMMON STOCK	A	2281	—	Acquired	27143	Direct
2016-11-20	COMMON STOCK	F	323	$40.80	Disposed	26820	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-11-18	STOCK OPTION (RIGHT TO BUY)	$40.80	A	7552	Acquired	2026-11-18	COMMON STOCK (7552)	Direct

Footnotes

F1: The option becomes exercisable as to 25% of the shares on each anniversary of the grant date.

F2: 2,281 restricted stock units (RSUs) were awarded to the reporting person on November 18, 2016. The RSUs become vested as to 25% of the shares on each anniversary of the grant date.

F3: 323 of the shares underlying RSUs which vested on 11/20/2016 were withheld to pay the related tax liability.