Ultra Clean Holdings, Inc. SEC filings UCTT
Ultra Clean Holdings, Inc. has 1,000 filings in SEC EDGAR's recent list, going back to Apr 25, 2014. Its latest annual report, Form ARS, was filed on Apr 27, 2026 for the period ended Dec 26, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 28, 2026, covering the quarter ended Sep 25, 2026. The most recent current report (Form 8-K) was filed on Oct 27, 2026 (results of operations). The company's fiscal year ends on December 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| ARS | Annual report to shareholders | Apr 27, 2026 | Dec 26, 2025 |
| 10-K | Annual report | Feb 23, 2026 | Dec 26, 2025 |
| ARS | Annual report to shareholders | Apr 28, 2025 | Dec 27, 2024 |
| 10-K | Annual report | Feb 25, 2025 | Dec 27, 2024 |
| ARS | Annual report to shareholders | Apr 26, 2024 | Dec 29, 2023 |
| 10-K | Annual report | Mar 6, 2024 | Dec 29, 2023 |
| ARS | Annual report to shareholders | Apr 21, 2023 | Dec 30, 2022 |
| 10-K | Annual report | Feb 28, 2023 | Dec 30, 2022 |
| 10-K | Annual report | Mar 1, 2022 | Dec 31, 2021 |
| 10-K | Annual report | Feb 23, 2021 | Dec 25, 2020 |
| 10-K | Annual report | Mar 11, 2020 | Dec 27, 2019 |
| 10-K | Annual report | Mar 22, 2019 | Dec 28, 2018 |
| 10-K | Annual report | Mar 14, 2018 | Dec 29, 2017 |
| 10-K | Annual report | Mar 15, 2017 | Dec 30, 2016 |
| 10-K | Annual report | Mar 9, 2016 | Dec 25, 2015 |
| 10-K | Annual report | Mar 11, 2015 | Dec 26, 2014 |
| ARS | Annual report to shareholders | Apr 25, 2014 | Dec 27, 2013 |
Showing 17 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Semiconductors & Related Devices (SIC 3674)
- Listed as
- UCTT (Nasdaq)
- Fiscal year ends
- December 30
- Incorporated in
- DE
- Headquarters
- Hayward, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1275014
- Former names
- ULTRA CLEAN HOLDINGS INC (until Feb 17, 2015)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.