TETRA TECH INC — Director's Dealing 2020

Nov 18, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TETRA TECH INC (TTEK)
CIK: 0000831641
Period of Report: 2020-11-16

Reporting Person: Ritrievi Kimberly E (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-11-16	COMMON STOCK	M	4200	$27.16	Acquired	36719	Direct
2020-11-16	COMMON STOCK	M	4200	$40.80	Acquired	40919	Direct
2020-11-16	COMMON STOCK	M	4200	$47.95	Acquired	45119	Direct
2020-11-16	COMMON STOCK	S	4076	$120.4615	Disposed	41043	Direct
2020-11-18	COMMON STOCK	M	582	—	Acquired	41625	Direct
2020-11-18	COMMON STOCK	A	3600	—	Acquired	45225	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-11-16	STOCK OPTION (RIGHT TO BUY)	$27.16	M	4200	Disposed	2025-11-20	COMMON STOCK (4200.0)	Direct
2020-11-16	STOCK OPTION (RIGHT TO BUY)	$40.8	M	4200	Disposed	2026-11-20	COMMON STOCK (4200.0)	Direct
2020-11-16	STOCK OPTION (RIGHT TO BUY)	$47.95	M	4200	Disposed	2027-11-17	COMMON STOCK (4200.0)	Direct
2020-11-18	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	$0.0	M	582	Disposed	2020-11-21	COMMON STOCK (582.0)	Direct

Footnotes

F1: $120.4615 is an average price. Shares were sold at prices ranging from $120.4411 to $120.4690 per share.

F2: Shares automatically acquired upon the vesting of restricted stock units (RSUs).

F3: The RSUs vested on 11/18/2020 are subject to the Reporting Person's deferral into the Issuer's Deferred Compensation Plan, and will be settled in shares of the Issuer's common stock according to the Reporting Person's elected distribution schedule.

F4: Each RSU represented the right to receive one share of Tetra Tech common stock.

F5: Shares acquired pursuant to vesting of performance stock units (PSUs) earned under 2015 Equity Incentive Plan.

F6: The PSUs vested on 11/18/2020 are subject to the Reporting Person's deferral into the Issuer's Deferred Compensation Plan, and will be settled in shares of the Issuer's common stock according to the Reporting Person's elected distribution schedule.

F7: Each PSU represented the right to receive one share of Tetra Tech common stock.

F8: The option became exercisable as to 100% of the shares on the anniversary of the grant date.

F9: The option granted expires 10 years after the grant date.

F10: The restricted stock units (RSUs) became vested as to 100% of the shares underlying the RSUs on November 18, 2020.