# EDGAR Filing Document

**Accession Number:** 0000831641
**File Stem:** 0001104659-23-028407
**Filing Date:** 2023-3
**Character Count:** 6286
**Document Hash:** ef676249faa63e8a7621e420a174a75c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-23-028407.hdr.sgml**: 20230303

**ACCESSION NUMBER**: 0001104659-23-028407

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 12

**CONFORMED PERIOD OF REPORT**: 20230228

**ITEM INFORMATION**: Submission of Matters to a Vote of Security Holders

**FILED AS OF DATE**: 20230303

**DATE AS OF CHANGE**: 20230303

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** TETRA TECH INC
- **CENTRAL INDEX KEY:** 0000831641
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-ENGINEERING SERVICES [8711]
- **IRS NUMBER:** 954148514
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1001

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-19655
- **FILM NUMBER:** 23703723

**BUSINESS ADDRESS:**
- **STREET 1:** 3475 EAST FOOTHILL BOULEVARD
- **CITY:** PASADENA
- **STATE:** CA
- **ZIP:** 91107
- **BUSINESS PHONE:** 6263514664

**MAIL ADDRESS:**
- **STREET 1:** 3475 EAST FOOTHILL BOULEVARD
- **CITY:** PASADENA
- **STATE:** CA
- **ZIP:** 91107

?xml version="1.0" encoding="utf-8"?

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, D.C. 20549**

**FORM 8-K**

**CURRENT REPORT**

**Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934**

Date of Report (Date of earliest event reported):

**February 28, 2023**

**TETRA TECH, INC.**

(Exact name of registrant as specified in its charter)

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| | | |
|:---|:---|:---|
| **Delaware** | **0-19655** | **95-4148514** |
| (State or other jurisdiction<br> of incorporation) | (Commission<br> File Number) | (IRS Employer<br> Identification Number) |

---

**3475 East Foothill Boulevard, Pasadena, California 91107**

(Address of principal executive office, including zip code)

**(626) 351-4664**

(Registrant's telephone number, including area code)

**Not Applicable**

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

◻ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

◻ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

◻ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

◻ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

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| | | |
|:---|:---|:---|
| **Title of each class** | **Trading symbol(s)** | **Name of each exchange on which registered** |
| Common Stock, $0.01 par value | TTEK | The Nasdaq Stock Market LLC |

---

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging Growth Company ◻

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ◻

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| | |
|:---|:---|
| **Item 5.07.** | **Submission of Matters to a Vote of Security Holders.** |

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On February 28, 2023, Tetra Tech, Inc. ("Tetra Tech") held its annual meeting of stockholders for the following purposes:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1) To elect eight members to its Board of Directors;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2) To approve, on an advisory basis, its named executive officers' compensation;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3) To indicate, on an advisory basis, the preferred frequency of future advisory votes on its named executive
officers' compensation;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(4) To ratify the appointment of PricewaterhouseCoopers LLP as its independent registered public accounting
firm for fiscal 2023; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(5) To act upon such other matters as may properly come before the meeting or any adjournments or postponements
thereof.

The votes cast in connection with such matters were as follows:

**Election of Directors**:

---

| | | | | |
|:---|:---|:---|:---|:---|
| Name | For | Against | Abstain | Non-Votes |
| Dan L. Batrack | 41299090 | 2484248 | 212808 | 3237874 |
| Gary R. Birkenbeuel | 43553704 | &nbsp;&nbsp;&nbsp;&nbsp;405990 | 36452 | 3237874 |
| Prashant Gandhi | 43686819 | &nbsp;&nbsp;&nbsp;&nbsp;270328 | 38999 | 3237874 |
| Joanne M. Maguire | 43082588 | &nbsp;&nbsp;&nbsp;&nbsp;877470 | 36088 | 3237874 |
| Christiana Obiaya | 43779713 | &nbsp;&nbsp;&nbsp;&nbsp;179819 | 36614 | 3237874 |
| Kimberly E. Ritrievi | 43776110 | &nbsp;&nbsp;&nbsp;&nbsp;183403 | 36633 | 3237874 |
| J. Kenneth Thompson | 38744530 | 5188157 | 63459 | 3237874 |
| Kirsten M. Volpi | 43252308 | &nbsp;&nbsp;&nbsp;&nbsp;707168 | 36670 | 3237874 |

---

**Advisory Resolution Regarding Executive Compensation:**

---

| | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|
| For | For | Against | Against | Abstain | Abstain | Non-Votes | Non-Votes |
|  | 41745090 |  | 2191388 |  | 59668 |  | 3237874 |

---

**Preferred Frequency of Advisory Votes on Executive Compensation:**

<u>One Year</u> <u>Two Years</u> <u>Three Years</u> <u>Abstain</u> <br> 43,004,509 15,569 937,102 38,966

**Appointment of PricewaterhouseCoopers LLP:**

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| | | | |
|:---|:---|:---|:---|
| For | Against | Abstain | Non-Votes<sup>(1)</sup> |
| 46552759 | 638444 | 42817 |  |

---

<sup>(1)</sup> This proposal constituted a routine matter. Therefore, brokers were permitted to vote without receipt of instructions from beneficial owners.

 **SIGNATURES**

Pursuant to the requirements of the Securities Exchange Act of 1934, Tetra Tech has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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| | | |
|:---|:---|:---|
|  | TETRA TECH, INC. | TETRA TECH, INC. |
| Date: March 3, 2023 | By: | /s/ Dan L. Batrack |
|  |  | Dan L. Batrack |
|  |  | Chairman and Chief Executive Officer |

---