[8-K] TETRA TECH INC Reports Material Event
Rhea-AI Filing Summary
Tetra Tech, Inc. announced that Eric W. Thornburg has been appointed to its Board of Directors, effective March 30, 2026, to serve until the next annual stockholder meeting or until a successor is chosen and qualified. The Board will then have eight members.
Thornburg, a 40-year water industry veteran and former CEO and Chair of H20 America and Connecticut Water Service, will serve on the Compensation Committee and the Nominating and Corporate Governance Committee. As a non-employee director he will receive a $110,000 annual cash retainer, $2,000 per meeting above eight annually, and an annual long‑term equity award valued at $175,000, split between performance and restricted stock units and prorated for his initial service period.
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8-K Event Classification
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM
CURRENT REPORT
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| 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) |
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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 | ||
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Exhibit 99.1
 | NEWS RELEASE March 26, 2026 |
Tetra Tech Appoints Eric W. Thornburg to its Board of Directors
Pasadena, California. Tetra Tech, Inc. (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services in water, environment, and sustainable infrastructure, announced today that Eric W. Thornburg, recently retired Chief Executive Officer of H20 America, has been appointed to the Company’s Board of Directors, effective March 30, 2026. Mr. Thornburg will serve on the Compensation Committee and the Nominating and Corporate Governance Committee.
Mr. Thornburg brings more than 40 years of operational and strategic leadership in the water industry. He most recently served as Chair, President and CEO of H20 America (previously SJW Group), a network of local water and wastewater utilities serving more than 1.6 million people across the country. Prior to H20 America, Mr. Thornburg served as Chief Executive Officer of Connecticut Water Service.
“Eric brings deep leadership experience across diverse water utilities, with a track record of operational excellence, delivering growth and sustainable value to investors, and significant leadership team building and development,” said Dan Batrack, Tetra Tech Executive Chairman. “His insight into critical and resilient water infrastructure will benefit our focus on the water market.”
Mr. Thornburg began his career at American Water Works Corporation, developing expertise in all facets of water utility operations. He holds a B.A. degree in Biology and Business from Cornell University and an M.B.A. from Indiana Wesleyan University.
About Tetra Tech
Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. With more than 25,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science® to address the entire water cycle, protect and restore the environment, and design sustainable and resilient infrastructure. For more information about Tetra Tech, please visit tetratech.com or follow us on LinkedIn and Facebook.
CONTACTS:
Jim Wu, Investor Relations
Charlie MacPherson, Media & Public Relations
(626) 470-2844
Any statements made in this release that are not based on historical fact are forward-looking statements. Any forward-looking statements made in this release represent management’s best judgment as to what may occur in the future. However, Tetra Tech’s actual outcome and results are not guaranteed and are subject to certain risks, uncertainties and assumptions ("Future Factors"), and may differ materially from what is expressed. For a description of Future Factors that could cause actual results to differ materially from such forward-looking statements, see the discussion under the section "Risk Factors" included in the Company’s Form 10-K and Form 10-Q filings with the Securities and Exchange Commission.
Filing Exhibits & Attachments
4 documents