Skip to main content
TETRA TECH INC logo

TETRA TECH INC — Investor Relations & Filings

Ticker · TTEK ISIN · US88162G1031 LEI · 549300UJ1LP7JGJC5P32 US Professional, scientific and technical activities
Filings indexed 1,407 across all filing types
Latest filing 2026-05-01 Interim / Quarterly Rep…
Country US United States of America
Listing US TTEK

About TETRA TECH INC

https://www.tetratech.com/

Tetra Tech Inc. is a global provider of high-end consulting and engineering services focused on water, environment, and sustainable infrastructure. The company offers solutions that cover the entire project lifecycle, including consulting, program management, engineering design, and construction management. It utilizes its Tetra Tech Delta suite of digital solutions, which incorporates advanced data analytics and artificial intelligence, to deliver efficient and resilient outcomes for complex projects. The firm serves a diverse client base, including government agencies and commercial entities, by applying technical expertise to address challenges in areas such as resource management and energy.

Recent filings

Filing Released Lang Actions
10-Q - TETRA TECH INC (0000831641) (Filer)
Interim / Quarterly Report
2026-05-01 English
Major Shareholding Notification 2026
Major Shareholding Notification
2026-04-30 English
FORM 8-K
Regulatory Filings
2026-04-29 English
Major Shareholding Notification 2026
Major Shareholding Notification
2026-03-27 English
FORM 8-K
Regulatory Filings
2026-03-26 English
4 - TETRA TECH INC (0000831641) (Issuer)
Director's Dealing
2026-03-19 English

Report missing filing

Can't find a specific document? Let us know and we'll add it within 24 hours.

We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.