Tetra Tech Inc (TTEK)
CIK 831641 · operating company. SEC filings, financial statements, 10-K sections, 8-K items and insider trades for Tetra Tech Inc.
Recent SEC filings
| Filed | Form | Accession number |
|---|---|---|
| Sep 10, 2026 | 8-K | 0001104659-26-106564 |
| Aug 6, 2026 | 4 | 0001582882-26-000004 |
| Aug 5, 2026 | S-8 | 0001104659-26-091069 |
| Jul 31, 2026 | 10-Q | 0000831641-26-000017 |
| Jul 29, 2026 | 8-K | 0001104659-26-088213 |
| Jun 5, 2026 | 4 | 0001582882-26-000002 |
| May 15, 2026 | 4 | 0001369458-26-000006 |
| May 1, 2026 | 10-Q | 0000831641-26-000011 |
| Apr 30, 2026 | SCHEDULE 13G | 0002100119-26-001120 |
| Apr 29, 2026 | 8-K | 0001104659-26-051486 |
| Apr 28, 2026 | 4 | 0001349767-26-000006 |
| Apr 3, 2026 | 3 | 0001349767-26-000004 |
| Mar 27, 2026 | SCHEDULE 13G/A | 0000102909-26-002432 |
| Mar 26, 2026 | 8-K | 0001104659-26-035179 |
| Mar 18, 2026 | 4 | 0001592089-26-000004 |
| Feb 20, 2026 | 4 | 0001902712-26-000002 |
| Feb 20, 2026 | 4 | 0001721930-26-000003 |
| Feb 20, 2026 | 8-K | 0001104659-26-018205 |
| Feb 12, 2026 | 4 | 0001628280-26-007775 |
| Feb 6, 2026 | 4 | 0001628280-26-006115 |
| Feb 6, 2026 | 4 | 0001628280-26-006116 |
| Feb 4, 2026 | 144 | 0001950047-26-000914 |
| Jan 30, 2026 | 10-Q | 0000831641-26-000005 |
| Jan 28, 2026 | 4 | 0001584184-26-000002 |
| Jan 28, 2026 | 4 | 0001369458-26-000004 |