TETRA TECH INC — All Filings
1,002 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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10-C
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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
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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 |
|---|---|---|---|---|
| 4 | FORM 4 | 0000831641-21-000092 | Nov 22, 2021 | Nov 18, 2021 |
| 4 | FORM 4 | 0000831641-21-000091 | Nov 22, 2021 | Nov 18, 2021 |
| 4 | FORM 4 | 0000831641-21-000096 | Nov 22, 2021 | Nov 18, 2021 |
| 4 | FORM 4 | 0000831641-21-000094 | Nov 22, 2021 | Nov 18, 2021 |
| 4 | FORM 4 | 0000831641-21-000095 | Nov 22, 2021 | Nov 18, 2021 |
| 4 | FORM 4 | 0000831641-21-000103 | Nov 22, 2021 | Nov 18, 2021 |
| 4 | FORM 4 | 0000831641-21-000097 | Nov 22, 2021 | Nov 18, 2021 |
| 4 | FORM 4 | 0000831641-21-000098 | Nov 22, 2021 | Nov 18, 2021 |
| 4 | FORM 4 | 0000831641-21-000099 | Nov 22, 2021 | Nov 18, 2021 |
| 4 | FORM 4 | 0000831641-21-000100 | Nov 22, 2021 | Nov 18, 2021 |
| 4 | FORM 4 | 0000831641-21-000101 | Nov 22, 2021 | Nov 18, 2021 |
| 4 | FORM 4 | 0000831641-21-000093 | Nov 22, 2021 | Nov 18, 2021 |
| 4 | FORM 4 | 0000831641-21-000102 | Nov 22, 2021 | Nov 18, 2021 |
| 4 | FORM 4 | 0000831641-21-000104 | Nov 22, 2021 | Nov 18, 2021 |
| 4 | FORM 4 | 0000831641-21-000105 | Nov 22, 2021 | Nov 18, 2021 |
| 4 | FORM 4 | 0000831641-21-000090 | Nov 22, 2021 | Nov 18, 2021 |
| 8-K | FORM 8-K | 0001104659-21-140598 | Nov 17, 2021 | — |
| 8-K | FORM 8-K | 0001104659-21-123937 | Oct 7, 2021 | — |
| 4 | FORM 4 | 0000831641-21-000068 | Sep 9, 2021 | Sep 7, 2021 |
| 4 | FORM 4 | 0000831641-21-000066 | Sep 3, 2021 | — |
| 4 | FORM 4 | 0000831641-21-000064 | Sep 3, 2021 | Sep 2, 2021 |
| 4 | FORM 4 | 0000831641-21-000065 | Sep 3, 2021 | — |
| 4 | FORM 4 | 0000831641-21-000060 | Aug 31, 2021 | Aug 30, 2021 |
| 4 | FORM 4 | 0000831641-21-000058 | Aug 12, 2021 | Aug 11, 2021 |
| 4 | FORM 4 | 0000831641-21-000056 | Aug 3, 2021 | Aug 2, 2021 |
| 10-Q | 10-Q | 0000831641-21-000054 | Jul 30, 2021 | Jun 27, 2021 |
| 8-K | FORM 8-K | 0001104659-21-096966 | Jul 28, 2021 | — |
| 4 | FORM 4 | 0000831641-21-000047 | Jun 7, 2021 | — |
| 4 | FORM 4 | 0000831641-21-000045 | Jun 2, 2021 | — |
| 4 | FORM 4 | 0000831641-21-000043 | May 21, 2021 | May 20, 2021 |
| 4 | FORM 4 | 0000831641-21-000041 | May 12, 2021 | May 11, 2021 |
| 10-Q | 10-Q | 0000831641-21-000039 | Apr 30, 2021 | Mar 28, 2021 |
| 8-K | FORM 8-K | 0001104659-21-056626 | Apr 28, 2021 | — |
| 8-K | FORM 8-K | 0001104659-21-028223 | Feb 25, 2021 | Feb 24, 2021 |
| 4 | FORM 4 | 0000831641-21-000033 | Feb 24, 2021 | Feb 22, 2021 |
| 4 | FORM 4 | 0000831641-21-000034 | Feb 24, 2021 | Feb 22, 2021 |
| 4 | FORM 4 | 0000831641-21-000030 | Feb 19, 2021 | Feb 18, 2021 |
| 4 | FORM 4 | 0000831641-21-000028 | Feb 17, 2021 | Feb 16, 2021 |
| SC 13G/A | SEC SCHEDULE 13G | 0000354204-21-000244 | Feb 12, 2021 | — |
| 4 | FORM 4 | 0000831641-21-000026 | Feb 11, 2021 | Feb 9, 2021 |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-21-019219 | Feb 10, 2021 | — |
| 4 | FORM 4 | 0000831641-21-000022 | Feb 8, 2021 | — |
| 4 | FORM 4 | 0000831641-21-000023 | Feb 8, 2021 | — |
| 4 | FORM 4 | 0000831641-21-000024 | Feb 8, 2021 | Feb 5, 2021 |
| 4 | FORM 4 | 0000831641-21-000018 | Feb 4, 2021 | Feb 3, 2021 |
| 4 | FORM 4 | 0000831641-21-000016 | Feb 4, 2021 | Feb 2, 2021 |
| 4 | FORM 4 | 0000831641-21-000017 | Feb 4, 2021 | Feb 3, 2021 |
| 4 | FORM 4 | 0000831641-21-000011 | Feb 1, 2021 | Jan 29, 2021 |
| 4 | FORM 4 | 0000831641-21-000012 | Feb 1, 2021 | Jan 29, 2021 |
| 10-Q | 10-Q | 0000831641-21-000008 | Jan 29, 2021 | Dec 27, 2020 |