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Lewis J Christopher – ‘4’ for 8/25/22 re: Tetra Tech Inc.

On:  Monday, 8/29/22, at 5:50pm ET   ·   For:  8/25/22   ·   As:  Director   ·   Accession #:  831641-22-45   ·   File #:  0-19655

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  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 8/29/22  Lewis J Christopher               4          Director    1:14K  Tetra Tech Inc.                   Tetra Tech Inc.

Statement of Changes in Beneficial Ownership of Securities by an Insider   —   Form 4   —   SEA’34

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 4           Statement of Changes in Beneficial Ownership of     HTML     14K 
                Securities by an Insider --                                      
                wf-form4_166180978754957.xml/3.6


        

This ‘4’ Document is an XML Data File that may be rendered in various formats:

  Form 4    –   Plain Text   –  SEC Website  –  EDGAR System  –    XML Data    –  <?xml?> File
 
 
Plain Text rendering:  Statement of Changes in Beneficial Ownership of Securities by an Insider — wf-form4_166180978754957.xml/3.6
 
                                                                                                                                                                                
Ownership Document
 
Schema Version:  X0306
Document Type:  4
Period of Report:  8/25/22
Not Subject to Section 16:  0
Issuer:
Issuer CIK:  831641
Issuer Name:  TETRA TECH INC
Issuer Trading Symbol:  TTEK
Reporting Owner:
Reporting Owner ID:
Owner CIK:  1007757
Owner Name:  LEWIS J CHRISTOPHER
Reporting Owner Address:
Owner Street 1:  3475 EAST FOOTHILL BOULEVARD
Owner Street 2:
Owner City:  PASADENA,
Owner State:  CA
Owner ZIP Code:  91107
Owner State Description:
Reporting Owner Relationship:
Is Director?  Yes
Is Officer?  No
Is Ten Percent Owner?  No
Is Other?  No
Officer Title:
Other Text:
Non-Derivative Table:
Non-Derivative Transaction:
Security Title:
Value:  COMMON STOCK
Transaction Date:
Value:  8/25/22
Transaction Coding:
Transaction Form Type:  4
Transaction Code:  M
Equity Swap Involved?  No
Transaction Amounts:
Transaction Shares:
Value:  4,200
Transaction Price Per Share:
Value:  27.26
Transaction Acquired-Disposed Code:
Value:  A
Post-Transaction Amounts:
Shares Owned Following Transaction:
Value:  74,696
Ownership Nature:
Direct or Indirect Ownership:
Value:  D
Non-Derivative Transaction:
Security Title:
Value:  COMMON STOCK
Transaction Date:
Value:  8/25/22
Transaction Coding:
Transaction Form Type:  4
Transaction Code:  M
Equity Swap Involved?  No
Transaction Amounts:
Transaction Shares:
Value:  4,200
Transaction Price Per Share:
Value:  27.16
Transaction Acquired-Disposed Code:
Value:  A
Post-Transaction Amounts:
Shares Owned Following Transaction:
Value:  78,896
Ownership Nature:
Direct or Indirect Ownership:
Value:  D
Non-Derivative Transaction:
Security Title:
Value:  COMMON STOCK
Transaction Date:
Value:  8/25/22
Transaction Coding:
Transaction Form Type:  4
Transaction Code:  M
Equity Swap Involved?  No
Transaction Amounts:
Transaction Shares:
Value:  4,200
Transaction Price Per Share:
Value:  40.80
Transaction Acquired-Disposed Code:
Value:  A
Post-Transaction Amounts:
Shares Owned Following Transaction:
Value:  83,096
Ownership Nature:
Direct or Indirect Ownership:
Value:  D
Non-Derivative Transaction:
Security Title:
Value:  COMMON STOCK
Transaction Date:
Value:  8/25/22
Transaction Coding:
Transaction Form Type:  4
Transaction Code:  M
Equity Swap Involved?  No
Transaction Amounts:
Transaction Shares:
Value:  4,200
Transaction Price Per Share:
Value:  47.95
Transaction Acquired-Disposed Code:
Value:  A
Post-Transaction Amounts:
Shares Owned Following Transaction:
Value:  87,296
Ownership Nature:
Direct or Indirect Ownership:
Value:  D
Non-Derivative Transaction:
Security Title:
Value:  COMMON STOCK
Transaction Date:
Value:  8/25/22
Transaction Coding:
Transaction Form Type:  4
Transaction Code:  S
Equity Swap Involved?  No
Transaction Amounts:
Transaction Shares:
Value:  1,410
Transaction Price Per Share:
Value:  144.184
Footnote ID:  F1
Transaction Acquired-Disposed Code:
Value:  D
Post-Transaction Amounts:
Shares Owned Following Transaction:
Value:  85,886
Ownership Nature:
Direct or Indirect Ownership:
Value:  D
Non-Derivative Transaction:
Security Title:
Value:  COMMON STOCK
Transaction Date:
Value:  8/25/22
Transaction Coding:
Transaction Form Type:  4
Transaction Code:  S
Equity Swap Involved?  No
Transaction Amounts:
Transaction Shares:
Value:  15,390
Transaction Price Per Share:
Value:  143.5703
Footnote ID:  F2
Transaction Acquired-Disposed Code:
Value:  D
Post-Transaction Amounts:
Shares Owned Following Transaction:
Value:  70,496
Ownership Nature:
Direct or Indirect Ownership:
Value:  D
Derivative Table:
Derivative Transaction:
Security Title:
Value:  STOCK OPTION
Conversion or Exercise Price:
Value:  27.26
Transaction Date:
Value:  8/25/22
Transaction Coding:
Transaction Form Type:  4
Transaction Code:  M
Equity Swap Involved?  No
Transaction Amounts:
Transaction Shares:
Value:  4,200
Transaction Price Per Share:
Value:  0
Transaction Acquired-Disposed Code:
Value:  D
Exercise Date:
Value:  11/21/15
Footnote ID:  F3
Expiration Date:
Value:  11/22/24
Underlying Security:
Underlying Security Title:
Value:  COMMON STOCK
Underlying Security Shares:
Value:  4,200.0
Post-Transaction Amounts:
Shares Owned Following Transaction:
Value:  0
Ownership Nature:
Direct or Indirect Ownership:
Value:  D
Derivative Transaction:
Security Title:
Value:  STOCK OPTION
Conversion or Exercise Price:
Value:  27.16
Transaction Date:
Value:  8/25/22
Transaction Coding:
Transaction Form Type:  4
Transaction Code:  M
Equity Swap Involved?  No
Transaction Amounts:
Transaction Shares:
Value:  4,200
Transaction Price Per Share:
Value:  0
Transaction Acquired-Disposed Code:
Value:  D
Exercise Date:
Value:  11/20/16
Footnote ID:  F3
Expiration Date:
Value:  11/21/25
Underlying Security:
Underlying Security Title:
Value:  COMMON STOCK
Underlying Security Shares:
Value:  4,200.0
Post-Transaction Amounts:
Shares Owned Following Transaction:
Value:  0
Ownership Nature:
Direct or Indirect Ownership:
Value:  D
Derivative Transaction:
Security Title:
Value:  STOCK OPTION
Conversion or Exercise Price:
Value:  40.8
Transaction Date:
Value:  8/25/22
Transaction Coding:
Transaction Form Type:  4
Transaction Code:  M
Equity Swap Involved?  No
Transaction Amounts:
Transaction Shares:
Value:  4,200
Transaction Price Per Share:
Value:  0
Transaction Acquired-Disposed Code:
Value:  D
Exercise Date:
Value:  11/18/17
Footnote ID:  F3
Expiration Date:
Value:  11/19/26
Underlying Security:
Underlying Security Title:
Value:  COMMON STOCK
Underlying Security Shares:
Value:  4,200.0
Post-Transaction Amounts:
Shares Owned Following Transaction:
Value:  0
Ownership Nature:
Direct or Indirect Ownership:
Value:  D
Derivative Transaction:
Security Title:
Value:  STOCK OPTION
Conversion or Exercise Price:
Value:  47.95
Transaction Date:
Value:  8/25/22
Transaction Coding:
Transaction Form Type:  4
Transaction Code:  M
Equity Swap Involved?  No
Transaction Amounts:
Transaction Shares:
Value:  4,200
Transaction Price Per Share:
Value:  0
Transaction Acquired-Disposed Code:
Value:  D
Exercise Date:
Value:  11/17/18
Footnote ID:  F3
Expiration Date:
Value:  11/18/27
Underlying Security:
Underlying Security Title:
Value:  COMMON STOCK
Underlying Security Shares:
Value:  4,200.0
Post-Transaction Amounts:
Shares Owned Following Transaction:
Value:  0
Ownership Nature:
Direct or Indirect Ownership:
Value:  D
Footnotes:
Footnote - F1:  The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $144.000 to $144.320, inclusive.
Footnote - F2:  The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $143.500 to $143.785, inclusive.
Footnote - F3:  The option becomes exercisable as to 100% of the shares on the anniversary of the grant date.
Remarks:
Owner Signature:
Signature Name:  /s/ Preston Hopson, Attorney-in-fact for J. Christopher Lewis
Signature Date:  8/29/22


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