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Midas Edge

TETRA TECH INC

For the period ended Sep 28, 2025. Filed Nov 20, 2025.

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About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Nov 20, 2025

TTEK$41.09+2.0%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

Index to Exhibits

2.1Rule 2.7 Announcement, dated as of September 23, 2022 (incorporated by reference to Exhibit 99.1 to the Company’s Current Report on Form 8-K dated September 26, 2022).
2.2Cooperation Agreement, dated as of September 23, 2022 (incorporated by reference to Exhibit 99.2 of the Company’s Current Report on Form 8-K dated September 26, 2022).
3.1Restated Certificate of Incorporation of the Company (incorporated by reference to Exhibit 3.1 to the Company's Current Report on Form 8-K dated February 26, 2009).
3.2Amendment to the Restated Certificate of Incorporation of Tetra Tech, Inc., dated September 6, 2024 (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K dated September 6, 2024).
3.3Bylaws of the Company (amended and restated as of November 7, 2022) (incorporated by reference to Exhibit 3.1 to the Company's Current Report on Form 8-K dated November 10, 2022).
4.1Indenture, dated as of August 22, 2023, by and between Tetra Tech, Inc. and U.S. Bank Trust Company, National Association, as Trustee (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K dated August 22, 2023).
4.2Form of Global Note, representing Tetra Tech, Inc.’s 2.25% Convertible Senior Notes due 2028 (incorporated by reference to Exhibit 4.2 to the Company’s Current Report on Form 8-K dated August 22, 2023).
4.3Description of Capital Stock.+
10.1Fourth Amended and Restated Credit Agreement dated as of May 5, 2025 among Tetra Tech, Inc., Tetra Tech Canada Holding Corporation, Tetra Tech UK Holdings Limited, Tetra Tech Coffey Pty., Ltd., the subsidiary guarantors and the lenders party thereto and Bank of America, N.A., as Administrative Agent (incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K dated May 7, 2025).
10.2Form of Confirmation for Capped Call Transactions (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K dated August 22, 2023).
10.3Employee Stock Purchase Plan (incorporated by reference to Exhibit 10.2 to the Company's Annual Report on Form 10-K for the fiscal year ended September 30, 2012).
10.42005 Equity Incentive Plan (as amended through November 7, 2011) (incorporated by reference to the Company's Proxy Statement for its 2012 Annual Meeting of Stockholders held on February 28, 2012).*
10.5First Amendment to the 2005 Equity Incentive Plan (as amended through November 7, 2011) (incorporated by reference to Exhibit 10.9 to the Company's Annual Report on Form 10-K for the fiscal year ended September 29, 2013).*
10.62015 Equity Incentive Plan (incorporated by reference to the Company's Proxy Statement for its 2015 Annual Meeting of Stockholders held on March 5, 2015).*
10.72018 Equity Incentive Plan (incorporated by reference to the Company's Proxy Statement for its 2018 Annual Meeting of Stockholders held on March 8, 2018).*
10.8Form of Indemnity Agreement entered into between the Company and each of its directors and executive officers (incorporated by reference to Exhibit 10.20 to the Company's Annual Report on Form 10-K for the fiscal year ended October 3, 2004).*
10.9Amended and Restated Deferred Compensation Plan (incorporated by reference to Exhibit 10 to the Company's Quarterly Report on Form 10-Q for the fiscal quarter ended March 29, 2020).*
10.10Change of Control Severance Plan effective March 26, 2018 (incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K dated March 9, 2018).*
10.11Executive Compensation Plan (as amended and restated November 14, 2013) (incorporated by reference to Exhibit 10.23 to the Company's Annual Report on Form 10-K for the fiscal year ended September 29, 2013).*
19.1Tech, Inc. and Subsidiaries Insider Trading Policy.+
19.2Tetra Tech, Inc. and Subsidiaries Insider Trading Policy – Pre-Clearance and Blackout Procedures.+
21Subsidiaries of the Company.+
23Consent of Independent Registered Public Accounting Firm (PricewaterhouseCoopers LLP).+
31.1Chief Executive Officer Certification pursuant to Rule 13a-14(a)/15d-14(a).+
31.2Chief Financial Officer Certification pursuant to Rule 13a-14(a)/15d-14(a).+
32.1Certification of Chief Executive Officer pursuant to Section 1350.+
32.2Certification of Chief Financial Officer pursuant to Section 1350.+
95Mine Safety Disclosures.+
97.1Incentive Compensation Recoupment Policy +
101The following financial information from our Company's Annual Report on Form 10-K, for the period ended September 28, 2025, formatted in Inline eXtensible Business Reporting Language: (i) Consolidated Balance Sheets, (ii) Consolidated Statements of Income, (iii) Consolidated Statement of Comprehensive Income, (iv) Consolidated Statements of Equity, (v) Consolidated Statements of Cash Flows, (vi) Notes to Consolidated Financial Statements.+
104Cover Page Interactive Data File (embedded within the Inline XBRL document)
*Indicates a management contract or compensatory arrangement.
+Filed herewith.
ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.