Current Report · Items 5.02, 8.01, 9.01 · 8-K
Tetra Tech, Inc.
TTEKNASDAQEQUITYCurrent
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements · Other Events
Item 5.02. Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers. Appointment of Officer On January 6, 2026, Tetra Tech, Inc. (the “Company”) announced that Roger R. Argus, currently President, will succeed Dan L. Batrack as Chief Executive Officer and join the Company’s Board of Directors. Mr.…
Filed Jan 6, 2026Accepted Jan 6, 2026, 4:34 PM ESTCIK 831641Accession 0001104659-26-001352
Company context
Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical 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.
Current securities
Disclosure sections
Items 5.02, 8.01, 9.01Select an item to read the extracted section. The as-filed document remains the primary evidence.
Item 5.02Item 5.02 - Departure/Election of Directors
Item 5.02. Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers.
Appointment of Officer
On January 6, 2026, Tetra
Tech, Inc. (the “Company”) announced that Roger R. Argus, currently President, will succeed Dan L. Batrack as Chief Executive
Officer and join the Company’s Board of Directors. Mr. Batrack, currently Chairman and Chief Executive Officer, will continue
as Executive Chairman of the Board of Directors. The changes are effective February 19, 2026, the date of the Company’s annual
shareholder meeting. It is expected that Mr. Batrack will serve as Executive Chairman for a minimum of two years.
Mr. Argus joined the
Company more than 30 years ago, and has held increasingly responsible positions. He has served as President since October 2025. He
previously served as Executive Vice President, Corporate Development from November 2024 to October 2025, and President, Commercial/International
Services Group from October 2023 to October 2025. Prior to this, Mr. Argus served as Senior Vice President and President,
Government Services Group from October 2018 to October 2024, and President, U.S. Government Division from October 2017
to November 2024. During his tenure with the Company, he also has served as project and program manager and business unit leader.
There are no arrangements
or understandings between either Mr. Argus or Mr. Batrack and any other persons pursuant to which each was appointed as an officer
or director of the Company (other than arrangements or understandings with directors or officers of the Company acting solely in their
capacities as such). There are also no family relationships between either Mr. Argus or Mr. Batrack and any director or executive
officer of the Company, and neither Mr. Argus nor Mr. Batrack is party to or has any direct or indirect material interest in
any transaction requiring disclosure under Item 404(a) of Regulation S-K.
Item 8.01Item 8.01 - Other Events
Item 8.01. Other Events.
On January 6, 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.
Filed exhibits (1)
EX-99.1 (by filename) tm262000d1_ex99-1.htmEX-99.1
2
tm262000d1_ex99-1.htm
EXHIBIT 99.1
Exhibit 99.1
NEWS RELEASE
January 6, 2026
───────────────────
Tetra Tech to Appoint Roger Argus as Chief
Executive Officer;
Dan Batrack to Become Executive Chairman
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 Dan Batrack, Chairman, together with its independent Board of Directors, will appoint Roger Argus as Chief Executive
Officer, effective February 19, 2026, concurrent with the Company’s annual meeting of shareholders. At that time, Mr. Argus
also is expected to join Tetra Tech’s Board of Directors, and Mr. Batrack, currently Chairman and CEO, will transition to
the role of Executive Chairman. This leadership change is the result of the Board’s long-term succession planning process to ensure
continuity of strategy, culture, and performance.
Mr. Argus has been with Tetra Tech for
more than 30 years, most recently serving as President. He has played a central role in shaping the Company’s strategic
direction, guiding operational excellence, and leading major water, infr…
Open exhibit ↗