TETRA TECH INC — Director's Dealing 2019

Nov 22, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TETRA TECH INC (TTEK)
CIK: 0000831641
Period of Report: 2019-11-20

Reporting Person: Argus Roger R (SVP, Government Services Group)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-11-20	COMMON STOCK	M	625	—	Acquired	3886	Direct
2019-11-20	COMMON STOCK	F	217	$86.28	Disposed	3669	Direct
2019-11-20	COMMON STOCK	M	1395	$47.95	Acquired	5064	Direct
2019-11-20	COMMON STOCK	S	1395	$86.4538	Disposed	3669	Direct
2019-11-20	COMMON STOCK	S	1041	$86.4799	Disposed	2628	Direct
2019-11-21	COMMON STOCK	S	408	$85.77	Disposed	2220	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-11-20	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	$0.0	M	625	Disposed	2019-11-20	COMMON STOCK (625.0)	Direct
2019-11-20	STOCK OPTION (RIGHT TO BUY)	$47.95	M	1395	Acquired	2027-11-17	COMMON STOCK (1395.0)	Direct
2019-11-21	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	$0.0	A	2327	Acquired	2023-11-18	COMMON STOCK (2327.0)	Direct

Footnotes

F1: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock.

F2: Represents the number of shares withheld to pay the related tax liability on restricted stock units (RSUs) that vested on 11/20/2019.

F3: $86.4538 is an average price. Shares were sold at prices ranging from $86.438 to $86.4763.

F4: The restricted stock units (RSUs) vested in four equal annual installments beginning on November 20, 2015.

F5: The option became exercisable as to 25% of the Shares on each anniversary of the grant date.

F6: The restricted stock units (RSUs) vest in four equal annual installments beginning on November 18, 2020.