TETRA TECH INC — SC 13G Filings
32 SC 13G filings on record
This page lists all SC 13G 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 SC 13G 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 |
|---|---|---|---|---|
| SC 13G | SC 13G | 0001193125-24-262938 | Nov 21, 2024 | — |
| SC 13G | — | 0001361570-24-000003 | Jan 31, 2024 | — |
| SC 13G | SEC SCHEDULE 13G | 0001532155-23-000055 | Feb 14, 2023 | — |
| SC 13G | SC 13G | 0001193125-23-023705 | Feb 3, 2023 | — |
| SC 13G | SC 13G | 0001193125-22-033905 | Feb 10, 2022 | — |
| SC 13G | SCHEDULE 13G | 0001258897-17-001248 | Feb 9, 2017 | — |
| SC 13G | SCHEDULE 13G | 0001258897-16-003093 | Feb 9, 2016 | — |
| SC 13G | — | 0001374170-15-000001 | Feb 9, 2015 | — |
| SC 13G | — | 0000932471-12-002664 | Feb 9, 2012 | — |
| SC 13G | — | 0001140361-10-005922 | Feb 12, 2010 | — |
| SC 13G | — | 0001086364-10-007947 | Jan 29, 2010 | — |
| SC 13G | — | 0000913414-09-004058 | Feb 5, 2009 | — |
| SC 13G | TETRA TECH INC. | 0000950135-08-005248 | Aug 4, 2008 | — |
| SC 13G | — | 0000913414-08-004405 | Feb 6, 2008 | — |
| SC 13G | — | 0000895345-07-000615 | Nov 19, 2007 | — |
| SC 13G | SCHEDULE 13G | 0000950129-07-005535 | Nov 9, 2007 | — |
| SC 13G | TETRA TECH INC. | 0000950135-07-001055 | Feb 27, 2007 | — |
| SC 13G | SNOW CAPITAL MANAGEMENT LP/TETRA TECH INC NEW SC 13G | 0000950152-07-000754 | Feb 5, 2007 | — |
| SC 13G | TETRA TECH | 0001193125-07-013996 | Jan 26, 2007 | — |
| SC 13G | — | 0000913414-07-002186 | Jan 23, 2007 | — |
| SC 13G | SC 13G | 0000017283-06-000365 | Feb 10, 2006 | — |
| SC 13G | TETRA TECH, INC. | 0000902664-05-001514 | Jul 18, 2005 | — |
| SC 13G | — | 0001133527-05-000064 | Jan 6, 2005 | — |
| SC 13G | TETRA TECH, INC. | 0000950135-03-001257 | Feb 14, 2003 | — |
| SC 13G | AIM MANANGEMENT GROUP INC. - TETRA TECH, INC. | 0000950129-01-000669 | Feb 9, 2001 | — |
| SC 13G | TETRA TECH INC. | 0000950169-00-000459 | May 10, 2000 | — |
| SC 13G | TETRA TECH INC. | 0000950169-00-000100 | Feb 14, 2000 | — |
| SC 13G | TETRA TECH INC. | 0000928385-99-000444 | Feb 17, 1999 | — |
| SC 13G | SCHEDULE 13G | 0000892569-99-000476 | Feb 12, 1999 | — |
| SC 13G | — | 0000080255-99-000391 | Feb 11, 1999 | — |
| SC 13G | SC 13G | 0000912057-97-004794 | Feb 13, 1997 | — |
| SC 13G | SC 13G | 0000912057-97-003377 | Feb 6, 1997 | — |