TETRA TECH INC - Director's Dealing 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TETRA TECH INC (TTEK)
CIK: 0000831641
Period of Report: 2016-08-08

Reporting Person: SHOEMAKER LESLIE L (EVP)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-08-08	COMMON STOCK	M	16750	$16.98	Acquired	62176	Direct
2016-08-08	COMMON STOCK	S	16750	$33.42	Disposed	45426	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-08-08	EMPLOYEE STOCK OPTION (RIGHT TO BUY)	$16.98	M	16750	Disposed	2016-11-14	COMMON STOCK (16750)	Direct

F1: The option became fully vested on November 14, 2012.

F2: The option expires in the current year.

F3: The reporting person acquired 221 shares through the company's employee stock purchase plan (ESPP) on December 15, 2015.

F4: $33.42 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.40 to $33.44.