TETRA TECH INC — Director's Dealing 2018

Nov 21, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TETRA TECH INC (TTEK)
CIK: 0000831641
Period of Report: 2018-11-20

Reporting Person: CHRISTENSEN CRAIG L (SVP, CIO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-11-20	COMMON STOCK	A	9128	—	Acquired	43034	Direct
2018-11-20	COMMON STOCK	F	4904	$63.44	Disposed	38130	Direct
2018-11-20	COMMON STOCK	F	383	$63.44	Disposed	37747	Direct
2018-11-21	COMMON STOCK	F	357	$62.68	Disposed	37390	Direct

Footnotes

F1: Shares acquired pursuant to vesting of performance stock units (PSUs) earned under 2015 Equity Incentive Plan.

F2: Each PSU represented the right to receive one share of common stock.

F3: Represents the shares underlying PSUs which vested on 11/20/2018 and were withheld to pay the related tax liability.

F4: Represents the shares underlying restricted stock units (RSUs) which vested on 11/20/2018 and 11/21/2018 and were withheld to pay the related tax liability.