TETRA TECH INC — Director's Dealing 2020

Nov 20, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TETRA TECH INC (TTEK)
CIK: 0000831641
Period of Report: 2020-11-18

Reporting Person: LEMMON RICHARD A (SVP, Corporate Administration)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-11-18	COMMON STOCK	M	539	—	Acquired	43411	Direct
2020-11-18	COMMON STOCK	M	408	—	Acquired	43819	Direct
2020-11-18	COMMON STOCK	A	7556	—	Acquired	51375	Direct
2020-11-18	COMMON STOCK	F	5136	$122	Disposed	46239	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-11-18	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	$0.0	M	539	Disposed	2022-11-18	COMMON STOCK (539.0)	Direct
2020-11-18	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	$0.0	M	408	Disposed	2023-11-21	COMMON STOCK (408.0)	Direct
2020-11-19	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	$0.0	A	1230	Acquired	2024-11-19	COMMON STOCK (1230.0)	Direct

Footnotes

F1: Shares automatically acquired upon the vesting of restricted stock units (RSUs).

F2: Shares acquired pursuant to vesting of performance stock units (PSUs) earned under 2015 Equity Incentive Plan.

F3: Represents the combined number of shares withheld to pay the related tax liability on a total of 7,556 performance stock units (PSUs) and 1,954 restricted stock units (RSUs) which vested on 11/18/2020.

F4: The restricted stock units (RSUs) become vested as to 25% of the shares underlying the RSUs on November 18, 2019, and on each of anniversary of that date until the RSUs are fully vested.

F5: The RSUs become vested as to 25% of the shares on November 18, 2020, and the anniversary of that date going forward until fully vested.

F6: The RSUs become vested as to 25% of the shares on November 18, 2021, and the anniversary of that date going forward until fully vested.