TETRA TECH INC — DEF 14A Filings
32 DEF 14A filings on record
This page lists all DEF 14A filings submitted to the SEC by TETRA TECH INC (TTEK), sorted by most recent first. Each row links to the full filing on EdgarLookup. TETRA TECH INC has filed 32 DEF 14A documents with the SEC since 2014. To view all SEC filings by TETRA TECH INC, see the full filings list.
All
10-C
10-K
10-K/A
10-Q
10-Q/A
144
3
3/A
4
4/A
424B1
424B2
424B3
424B4
5
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEF 14C
DEFA14A
DEFR14A
NT 10-K
NT 10-Q
POS AM
PRE 14A
PRER14C
S-3
S-3/A
S-3MEF
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13D/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEF 14A | FORM DEF 14A | 0001104659-26-002458 | Jan 9, 2026 | Feb 19, 2026 |
| DEF 14A | DEF 14A | 0001104659-25-004095 | Jan 16, 2025 | Feb 27, 2025 |
| DEF 14A | DEF 14A | 0001104659-24-004794 | Jan 18, 2024 | Feb 29, 2024 |
| DEF 14A | DEF 14A | 0001104659-23-004232 | Jan 17, 2023 | Feb 28, 2023 |
| DEF 14A | DEF 14A | 0001104659-22-004898 | Jan 18, 2022 | Mar 1, 2022 |
| DEF 14A | DEF 14A | 0001047469-21-000087 | Jan 14, 2021 | Feb 24, 2021 |
| DEF 14A | DEF 14A | 0001047469-20-000253 | Jan 15, 2020 | Feb 26, 2020 |
| DEF 14A | DEF 14A | 0001047469-19-000174 | Jan 18, 2019 | Feb 28, 2019 |
| DEF 14A | DEF 14A | 0001047469-18-000398 | Jan 24, 2018 | Mar 8, 2018 |
| DEF 14A | DEF 14A | 0001047469-17-000242 | Jan 18, 2017 | Mar 2, 2017 |
| DEF 14A | DEF 14A | 0001047469-16-009736 | Jan 19, 2016 | Mar 3, 2016 |
| DEF 14A | DEF 14A | 0001047469-15-000248 | Jan 15, 2015 | Mar 5, 2015 |
| DEF 14A | DEF 14A | 0001047469-14-000122 | Jan 10, 2014 | Feb 27, 2014 |
| DEF 14A | 14A | 0001047469-13-000181 | Jan 14, 2013 | Feb 26, 2013 |
| DEF 14A | DEF 14A | 0001047469-12-000129 | Jan 11, 2012 | Feb 28, 2012 |
| DEF 14A | DEF 14A | 0001047469-11-000098 | Jan 12, 2011 | Mar 1, 2011 |
| DEF 14A | DEF 14A | 0001047469-10-000084 | Jan 11, 2010 | Feb 25, 2010 |
| DEF 14A | DEF 14A | 0001047469-09-000032 | Jan 5, 2009 | Feb 26, 2009 |
| DEF 14A | DEF 14A | 0001047469-08-000191 | Jan 10, 2008 | Feb 28, 2008 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001104659-07-002685 | Jan 16, 2007 | Mar 1, 2007 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001104659-06-002667 | Jan 18, 2006 | Mar 6, 2006 |
| DEF 14A | DEF 14A | 0001047469-05-000872 | Jan 13, 2005 | Mar 1, 2005 |
| DEF 14A | DEF 14A | 0001047469-04-000767 | Jan 13, 2004 | Feb 26, 2004 |
| DEF 14A | DEF 14A | 0001047469-02-008616 | Dec 30, 2002 | Feb 25, 2003 |
| DEF 14A | DEF 14A | 0000912057-01-544913 | Dec 31, 2001 | Feb 19, 2002 |
| DEF 14A | DEF 14A | 0000912057-01-001347 | Jan 12, 2001 | Feb 22, 2001 |
| DEF 14A | DEF 14A | 0000912057-99-011012 | Dec 30, 1999 | Feb 17, 2000 |
| DEF 14A | DEF 14A | 0001047469-98-045682 | Dec 31, 1998 | Feb 17, 1999 |
| DEF 14A | DEF 14A | 0001047469-98-030361 | Aug 11, 1998 | Sep 14, 1998 |
| DEF 14A | DEF 14A | 0001047469-98-000693 | Jan 9, 1998 | Feb 11, 1998 |
| DEF 14A | DEF 14A | 0000912057-97-031605 | Sep 24, 1997 | Oct 28, 1997 |
| DEF 14A | DEFINITIVE NOTICE & PROXY STATEMENT | 0000898430-97-000049 | Jan 8, 1997 | Feb 7, 1997 |