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.
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 |
|---|---|---|---|---|
| 10-Q | 10-Q | 0000831641-25-000019 | May 8, 2025 | Mar 30, 2025 |
| 8-K | FORM 8-K | 0001104659-25-045597 | May 7, 2025 | May 5, 2025 |
| SCHEDULE 13D/A | — | 0001361570-25-000009 | Apr 15, 2025 | — |
| SCHEDULE 13G/A | — | 0000932471-25-000377 | Apr 7, 2025 | — |
| 4/A | FORM 4/A | 0000831641-25-000014 | Mar 14, 2025 | Nov 20, 2024 |
| 4 | FORM 4 | 0000831641-25-000009 | Mar 3, 2025 | Feb 27, 2025 |
| 8-K | FORM 8-K | 0001104659-25-019107 | Feb 28, 2025 | Feb 24, 2025 |
| SCHEDULE 13G | — | 0001361570-25-000006 | Feb 11, 2025 | — |
| 4 | FORM 4 | 0000831641-25-000007 | Feb 6, 2025 | Feb 4, 2025 |
| SCHEDULE 13G/A | — | 0002012383-25-001597 | Feb 6, 2025 | — |
| 144 | — | 0001972362-25-000056 | Feb 4, 2025 | — |
| 10-Q | 10-Q | 0000831641-25-000005 | Jan 31, 2025 | Dec 29, 2024 |
| 8-K | FORM 8-K | 0001104659-25-007277 | Jan 30, 2025 | Jan 29, 2025 |
| 8-K | FORM 8-K | 0001104659-25-004551 | Jan 17, 2025 | — |
| DEFA14A | DEFA14A | 0001104659-25-004096 | Jan 16, 2025 | — |
| ARS | ARS | 0001104659-25-004097 | Jan 16, 2025 | Sep 29, 2024 |
| DEF 14A | DEF 14A | 0001104659-25-004095 | Jan 16, 2025 | Feb 27, 2025 |
| 4 | FORM 4 | 0000831641-24-000115 | Dec 3, 2024 | Nov 30, 2024 |
| 4 | FORM 4 | 0000831641-24-000117 | Dec 3, 2024 | Nov 30, 2024 |
| 4 | FORM 4 | 0000831641-24-000109 | Dec 3, 2024 | Nov 30, 2024 |
| 4 | FORM 4 | 0000831641-24-000119 | Dec 3, 2024 | Nov 30, 2024 |
| 4 | FORM 4 | 0000831641-24-000102 | Dec 3, 2024 | Nov 30, 2024 |
| 4 | FORM 4 | 0000831641-24-000104 | Dec 3, 2024 | Nov 30, 2024 |
| 4 | FORM 4 | 0000831641-24-000107 | Dec 3, 2024 | Nov 30, 2024 |
| 4 | FORM 4 | 0000831641-24-000111 | Dec 3, 2024 | Nov 30, 2024 |
| 4 | FORM 4 | 0000831641-24-000113 | Dec 3, 2024 | Nov 30, 2024 |
| 4 | FORM 4 | 0000831641-24-000092 | Nov 22, 2024 | Nov 20, 2024 |
| 4 | FORM 4 | 0000831641-24-000098 | Nov 22, 2024 | Nov 20, 2024 |
| 4 | FORM 4 | 0000831641-24-000100 | Nov 22, 2024 | Nov 20, 2024 |
| 4 | FORM 4 | 0000831641-24-000080 | Nov 22, 2024 | Nov 20, 2024 |
| 4 | FORM 4 | 0000831641-24-000082 | Nov 22, 2024 | Nov 20, 2024 |
| 4 | FORM 4 | 0000831641-24-000084 | Nov 22, 2024 | Nov 20, 2024 |
| 4 | FORM 4 | 0000831641-24-000086 | Nov 22, 2024 | Nov 20, 2024 |
| 4 | FORM 4 | 0000831641-24-000088 | Nov 22, 2024 | Nov 20, 2024 |
| 4 | FORM 4 | 0000831641-24-000090 | Nov 22, 2024 | Nov 20, 2024 |
| 4 | FORM 4 | 0000831641-24-000078 | Nov 22, 2024 | Nov 20, 2024 |
| 4 | FORM 4 | 0000831641-24-000094 | Nov 22, 2024 | Nov 20, 2024 |
| 4 | FORM 4 | 0000831641-24-000096 | Nov 22, 2024 | Nov 20, 2024 |
| SC 13G | SC 13G | 0001193125-24-262938 | Nov 21, 2024 | — |
| 4 | FORM 4 | 0000831641-24-000065 | Nov 20, 2024 | Nov 18, 2024 |
| 4 | FORM 4 | 0000831641-24-000067 | Nov 20, 2024 | Nov 18, 2024 |
| 4 | FORM 4 | 0000831641-24-000069 | Nov 20, 2024 | Nov 18, 2024 |
| 4 | FORM 4 | 0000831641-24-000071 | Nov 20, 2024 | Nov 18, 2024 |
| 4 | FORM 4 | 0000831641-24-000075 | Nov 20, 2024 | Nov 18, 2024 |
| 4 | FORM 4 | 0000831641-24-000076 | Nov 20, 2024 | Nov 18, 2024 |
| 10-K | 10-K | 0000831641-24-000063 | Nov 19, 2024 | Sep 29, 2024 |
| 8-K | FORM 8-K | 0001104659-24-117683 | Nov 13, 2024 | — |
| 3 | FORM 3 | 0000831641-24-000056 | Oct 2, 2024 | Sep 30, 2024 |
| 4 | FORM 4 | 0000831641-24-000058 | Oct 2, 2024 | Sep 30, 2024 |
| 4 | FORM 4 | 0000831641-24-000060 | Oct 2, 2024 | Sep 30, 2024 |