TETRA TECH INC (TTEK) Form 10-K Annual Reports
TETRA TECH INC (TTEK) is a publicly traded company on the Nasdaq, categorized under SIC 8711 (Services-Engineering Services). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: TTEK
CIK: 831641
Exchange: Nasdaq
SIC 8711: Services-Engineering Services
Fiscal Year End: 09/27
State: DE
Independent PCAOB Auditor
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Audit Firm
PricewaterhouseCoopers LLP
Auditor SinceSince 9/27/2020 12:00:00 AM
Lead Engagement PartnerJames Miller
Audit LocationLos Angeles, California, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 8-K | 2026-09-10 | 2026-09-10 | FORM 8-K | 0001104659-26-106564 | View SEC Doc Filr Page |
| 4 | 2026-08-06 | 2026-08-04 | FORM 4 | 0001582882-26-000004 | View SEC Doc Filr Page |
| S-8 | 2026-08-05 | — | FORM S-8 | 0001104659-26-091069 | View SEC Doc Filr Page |
| 10-Q | 2026-07-31 | 2026-06-28 | 10-Q | 0000831641-26-000017 | View SEC Doc Filr Page |
| 8-K | 2026-07-29 | 2026-07-29 | FORM 8-K | 0001104659-26-088213 | View SEC Doc Filr Page |
| 4 | 2026-06-05 | 2026-06-04 | FORM 4 | 0001582882-26-000002 | View SEC Doc Filr Page |
| 4 | 2026-05-15 | 2026-05-15 | FORM 4 | 0001369458-26-000006 | View SEC Doc Filr Page |
| 10-Q | 2026-05-01 | 2026-03-29 | 10-Q | 0000831641-26-000011 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-04-30 | — | SCHEDULE 13G Filing | 0002100119-26-001120 | View SEC Doc Filr Page |
| 8-K | 2026-04-29 | 2026-04-29 | FORM 8-K | 0001104659-26-051486 | View SEC Doc Filr Page |
| 4 | 2026-04-28 | 2026-04-27 | FORM 4 | 0001349767-26-000006 | View SEC Doc Filr Page |
| 3 | 2026-04-03 | 2026-03-30 | FORM 3 | 0001349767-26-000004 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-03-27 | — | SCHEDULE 13G/A Filing | 0000102909-26-002432 | View SEC Doc Filr Page |
| 8-K | 2026-03-26 | 2026-03-26 | FORM 8-K | 0001104659-26-035179 | View SEC Doc Filr Page |
| 4 | 2026-03-18 | 2026-03-16 | FORM 4 | 0001592089-26-000004 | View SEC Doc Filr Page |
| 4 | 2026-02-20 | 2026-02-19 | FORM 4 | 0001902712-26-000002 | View SEC Doc Filr Page |
| 4 | 2026-02-20 | 2026-02-19 | FORM 4 | 0001721930-26-000003 | View SEC Doc Filr Page |
| 8-K | 2026-02-20 | 2026-02-19 | FORM 8-K | 0001104659-26-018205 | View SEC Doc Filr Page |
| 4 | 2026-02-12 | 2026-02-10 | FORM 4 | 0001628280-26-007775 | View SEC Doc Filr Page |
| 4 | 2026-02-06 | 2026-02-06 | FORM 4 | 0001628280-26-006116 | View SEC Doc Filr Page |
| 4 | 2026-02-06 | 2026-02-04 | FORM 4 | 0001628280-26-006115 | View SEC Doc Filr Page |
| 144 | 2026-02-04 | — | 144 Filing | 0001950047-26-000914 | View SEC Doc Filr Page |
| 10-Q | 2026-01-30 | 2025-12-28 | 10-Q | 0000831641-26-000005 | View SEC Doc Filr Page |
| 8-K | 2026-01-28 | 2026-01-28 | FORM 8-K | 0001104659-26-007481 | View SEC Doc Filr Page |
| 4 | 2026-01-28 | 2026-01-26 | FORM 4 | 0001369458-26-000004 | View SEC Doc Filr Page |