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    Tetra Tech Inc. filed SEC Form 8-K: Leadership Update, Other Events, Financial Statements and Exhibits

    3/26/26 4:05:30 PM ET
    $TTEK
    Military/Government/Technical
    Consumer Discretionary
    Get the next $TTEK alert in real time by email
    false 0000831641 0000831641 2026-03-26 2026-03-26 iso4217:USD xbrli:shares iso4217:USD xbrli:shares

     

     

     

    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):

    March 26, 2026

     

    TETRA TECH, INC.

    (Exact name of registrant as specified in its charter)

     

    Delaware   0-19655   95-4148514
    (State or other jurisdiction
    of incorporation)
      (Commission
    File Number)
     

    (IRS Employer

    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:

     

    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. ¨

     

     

     

     

     

     

    Item 5.02.Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers.

     

    On March 26, 2026, Tetra Tech, Inc. (the “Company”) announced that Eric W. Thornburg has been appointed to the Board of Directors of the Company (the “Board”), effective March 30, 2026, to serve until the next Annual Meeting of Stockholders or until his successor has been duly chosen and qualified.  The Board will consist of eight members, including Mr. Thornburg, at that time.  Mr. Thornburg will serve as a member of the Compensation Committee and Nominating and Corporate Governance Committee. 

     

    Mr. Thornburg, 65, most recently served as the Chief Executive Officer of H20 America (previously SJW Group) from 2017 to 2025 and Chair of the Board of Directors from 2018 to 2026. Prior to joining H20 America, he served as Chief Executive Officer of Connecticut Water Service from 2006 to 2017 and Chair of the Board of Directors from 2007 to 2017. Mr. Thornburg previously was Vice President of American Water Works Corporation from 2003 to 2006 and President of Missouri American Water from 2001 to 2003. He holds a B.A. degree in Biology and Business from Cornell University and an M.B.A. from Indiana Wesleyan University.

     

    Mr. Thornburg will receive compensation for his service as a non-employee director in accordance with the Company’s non-employee director compensation program. Under this program, he will receive (1) an annual retainer of $110,000; (2) $2,000 for each meeting attended, when the number of Board meetings during the year has exceeded eight; and (3) an annual long-term equity award with a grant date fair value of $175,000, consisting sixty percent of performance stock units and forty percent of restricted stock units, each pro-rated for the portion of time that he is expected to serve as a director of the Company before the next annual award.

     

    Item 8.01.Other Events.

     

    On March 26, 2026, the Company issued a press release announcing the matters described in Item 5.02. A copy of the press release is attached as Exhibit 99.1 and is incorporated by reference herein.

     

    Item 9.01. Financial Statements and Exhibits.

     

    (d)   Exhibits

     

      99.1 Press Release, dated March 26, 2026.
         
      104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

     

    2

     

     

    SIGNATURES

     

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

     

      TETRA TECH, INC.
       
    Date: March 26, 2026 By: /s/ Dan L. Batrack
        Dan L. Batrack
        Executive Chairman

     

    3

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