Tetra Tech SEC Filings
NASDAQ: TTEKConsumer DiscretionaryMilitary/Government/TechnicalUSD
33.34-0.07 (-0.21%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Tetra Tech filing overview
This page lists 60 recent SEC filings by Tetra Tech (TTEK), including 35 4, 12 8-K, 5 10-Q, 2 SCHEDULE 13G/A. The latest annual report (10-K) was filed on Nov 20, 2025 for the period ending Sep 28, 2025. The most recent quarterly report (10-Q) was filed on Jul 31, 2026.
The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Sep 10, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.
Summary generated from market data by MetaCap's automated system. Methodology
TTEK SEC filings
| Filed | Form | Description | Document |
|---|---|---|---|
| Sep 10, 2026 | 8-K | Other Events | View on EDGAR |
| Aug 6, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 31, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Jul 29, 2026 | 8-K | Results of Operations and Financial Condition; Other Events | View on EDGAR |
| Jun 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 15, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 1, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Apr 30, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Apr 29, 2026 | 8-K | Results of Operations and Financial Condition; Other Events | View on EDGAR |
| Apr 28, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 27, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Mar 26, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Other Events | View on EDGAR |
| Mar 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 20, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Submission of Matters to a Vote of Security Holders | View on EDGAR |
| Feb 20, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 20, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 12, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 6, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 6, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 30, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Jan 28, 2026 | 8-K | Results of Operations and Financial Condition; Other Events | View on EDGAR |
| Jan 28, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 28, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 14, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 14, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 9, 2026 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Jan 6, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Other Events | View on EDGAR |
| Dec 22, 2025 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Other Events | View on EDGAR |
| Dec 3, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 2, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 2, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 2, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 2, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 2, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 2, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 2, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 2, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 2, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 2, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 20, 2025 | 10-K | Annual report | View on EDGAR |
| Nov 20, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 20, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 20, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 20, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 20, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 20, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 20, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 20, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 12, 2025 | 8-K | Results of Operations and Financial Condition; Other Events | View on EDGAR |
| Oct 17, 2025 | SCHEDULE 13D/A | Beneficial ownership report (activist) (amendment) | View on EDGAR |
| Oct 7, 2025 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Other Events | View on EDGAR |
| Aug 15, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 1, 2025 | 10-Q | Quarterly report | View on EDGAR |
| Jul 30, 2025 | 8-K | Results of Operations and Financial Condition; Other Events | View on EDGAR |
| May 8, 2025 | 10-Q | Quarterly report | View on EDGAR |
| May 7, 2025 | 8-K | Entry into a Material Definitive Agreement; Results of Operations and Financial Condition; Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement; Material Modification to Rights of Security Holders; Other Events | View on EDGAR |
| Apr 15, 2025 | SCHEDULE 13D/A | Beneficial ownership report (activist) (amendment) | View on EDGAR |
| Apr 7, 2025 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Mar 14, 2025 | 4/A | Statement of changes in beneficial ownership (amendment) | View on EDGAR |
| Mar 3, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |