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TETRA TECH INC

For the period ended Dec 28, 2025. Filed Jan 30, 2026.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Dec 28, 2025 · Filed Jan 30, 2026

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

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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 thereunto duly authorized.

Dated: January 30, 2026TETRA TECH, INC.
By:/s/ DAN L. BATRACK
Dan L. Batrack
Chairman and Chief Executive Officer
(Principal Executive Officer)
By:/s/ STEVEN M. BURDICK
Steven M. Burdick
Executive Vice President, Chief Financial Officer
(Principal Financial Officer)
By:/s/ BRIAN N. CARTER
Brian N. Carter
Senior Vice President, Corporate Controller
(Principal Accounting Officer)
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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.