TETRA TECH INC - TTEK
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 20
Latest filed: Jun 05, 2026
| Form | Count |
|---|---|
| 4 | 13 |
| 8-K | 4 |
| SCHEDULE 13G | 1 |
| SCHEDULE 13G/A | 1 |
| 144 | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Jun 05, 2026 | 4 | Jun 04, 2026 | 0001582882-26-000002 | View |
| May 15, 2026 | 4 | May 15, 2026 | 0001369458-26-000006 | View |
| Apr 30, 2026 | SCHEDULE 13G | — | 0002100119-26-001120 | View |
| Apr 29, 2026 | 8-K | Apr 29, 2026 | 0001104659-26-051486 | View |
| Apr 28, 2026 | 4 | Apr 27, 2026 | 0001349767-26-000006 | View |
| Mar 27, 2026 | SCHEDULE 13G/A | — | 0000102909-26-002432 | View |
| Mar 26, 2026 | 8-K | Mar 26, 2026 | 0001104659-26-035179 | View |
| Mar 18, 2026 | 4 | Mar 16, 2026 | 0001592089-26-000004 | View |
| Feb 20, 2026 | 8-K | Feb 19, 2026 | 0001104659-26-018205 | View |
| Feb 20, 2026 | 4 | Feb 19, 2026 | 0001721930-26-000003 | View |
| Feb 20, 2026 | 4 | Feb 19, 2026 | 0001902712-26-000002 | View |
| Feb 12, 2026 | 4 | Feb 10, 2026 | 0001628280-26-007775 | View |
| Feb 06, 2026 | 4 | Feb 04, 2026 | 0001628280-26-006115 | View |
| Feb 06, 2026 | 4 | Feb 06, 2026 | 0001628280-26-006116 | View |
| Feb 04, 2026 | 144 | — | 0001950047-26-000914 | View |
| Jan 28, 2026 | 4 | Jan 26, 2026 | 0001584184-26-000002 | View |
| Jan 28, 2026 | 4 | Jan 26, 2026 | 0001369458-26-000004 | View |
| Jan 28, 2026 | 8-K | Jan 28, 2026 | 0001104659-26-007481 | View |
| Jan 14, 2026 | 4 | Jan 12, 2026 | 0001592089-26-000002 | View |
| Jan 14, 2026 | 4 | Jan 01, 2025 | 0001748476-26-000002 | View |