Tetra Tech
Change company
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
IN
IE
US
US
US
US
US
US
US
US
US
US
US
US
AU
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
BM
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
JP
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
CA
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
Tetra Tech (TTEK) Annual Reports 10K
View all Tetra Tech 10-K annual reports filed with the SEC. Each report includes audited financial statements, revenue breakdown, risk factors, and Management’s Discussion & Analysis (MD&A). ...more
Tetra Tech Reports: Annual 10-K
SEC Filings
Date
2026
ARS
Annual Report to Shareholders
2025
10-K
Annual financial results and management updates
ARS
Annual Report to Shareholders
2024
10-K
Annual financial results and management updates
ARS
Annual Report to Shareholders
2023
10-K
Annual financial results and management updates
10-K/A
Amendment to a previously filed Annual Report
2022
10-K
Annual financial results and management updates
2021
10-K
Annual financial results and management updates
2020
10-K
Annual financial results and management updates
2019
10-K
Annual financial results and management updates
2018
10-K
Annual financial results and management updates
2017
10-K
Annual financial results and management updates
2016
10-K
Annual financial results and management updates
2015
10-K
Annual financial results and management updates
2014
10-K
Annual financial results and management updates
2013
10-K
Annual financial results and management updates
2012
10-K
Annual financial results and management updates
2011
10-K
Annual financial results and management updates
2010
10-K
Annual financial results and management updates
10-K/A
Amendment to a previously filed Annual Report
2009
10-K
Annual financial results and management updates
2008
10-K
Annual financial results and management updates
2007
10-K
Annual financial results and management updates
10-K/A
Amendment to a previously filed Annual Report
2006
10-K
Annual financial results and management updates
NT 10-K
Notification of late filing for Annual Report
2005
10-K
Annual financial results and management updates
10-K
Annual financial results and management updates
2004
NT 10-K
Notification of late filing for Annual Report
2003
10-K
Annual financial results and management updates
2002
10-K
Annual financial results and management updates
2001
10-K
Annual financial results and management updates
2000
10-K
Annual financial results and management updates
1999
10-K
Annual financial results and management updates
10-K/A
Amendment to a previously filed Annual Report
10-K/A
Amendment to a previously filed Annual Report
1998
10-K
Annual financial results and management updates
1997
10-K
Annual financial results and management updates
10-K/A
Amendment to a previously filed Annual Report
Tetra Tech Annual Report (ARS) 2026
Annual Reports / Annual Report to Shareholders
Jan 9, 2026
