TETRA TECH INC - Director's Dealing 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TETRA TECH INC (TTEK)
CIK: 0000831641
Period of Report: 2018-07-30

Reporting Person: Birkenbeuel Gary (Director)

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-07-30	STOCK OPTION (RIGHT TO BUY)	$59.9	A	863	Acquired	2028-07-30	COMMON STOCK (0.0)	Direct
2018-07-30	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	$0.0	A	309	Acquired	2019-07-31	COMMON STOCK (0.0)	Direct

F1: The closing trading price of Tetra Tech common stock on the option grant date was $59.90/share.

F2: The option becomes exercisable as to 100% of the underlying shares on the anniversary of the grant date.

F3: The option expires 10 years after the grant date.

F4: Each restricted stock unit (RSU) represents a contingent right to receive one share of Tetra Tech common stock.

F5: The RSUs become exercisable as to 100% of the shares on the anniversary of the grant date.