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 |
|---|---|---|---|
| 10-Q | Quarterly report | Oct 28, 2026 | Sep 25, 2026 |
| 10-Q | Quarterly report | Aug 4, 2026 | Jun 26, 2026 |
| 10-Q/A | Amended quarterly report | May 1, 2026 | Mar 27, 2026 |
| 10-Q | Quarterly report | Apr 29, 2026 | Mar 27, 2026 |
| 10-Q | Quarterly report | Oct 29, 2025 | Sep 26, 2025 |
| 10-Q | Quarterly report | Jul 29, 2025 | Jun 27, 2025 |
| 10-Q | Quarterly report | Apr 29, 2025 | Mar 28, 2025 |
| 10-Q/A | Amended quarterly report | Feb 11, 2025 | Sep 27, 2024 |
| 10-Q/A | Amended quarterly report | Feb 11, 2025 | Mar 29, 2024 |
| 10-Q | Quarterly report | Oct 30, 2024 | Sep 27, 2024 |
| 10-Q | Quarterly report | Jul 26, 2024 | Jun 28, 2024 |
| 10-Q | Quarterly report | May 6, 2024 | Mar 29, 2024 |
| 10-Q | Quarterly report | Nov 7, 2023 | Sep 29, 2023 |
| 10-Q | Quarterly report | Aug 11, 2023 | Jun 30, 2023 |
| 10-Q | Quarterly report | May 5, 2023 | Mar 31, 2023 |
| 10-Q | Quarterly report | Nov 9, 2022 | Sep 30, 2022 |
| 10-Q | Quarterly report | Aug 9, 2022 | Jul 1, 2022 |
| 10-Q | Quarterly report | May 10, 2022 | Apr 1, 2022 |
| 10-Q | Quarterly report | Nov 3, 2021 | Sep 24, 2021 |
| 10-Q | Quarterly report | Aug 4, 2021 | Jun 25, 2021 |
| 10-Q | Quarterly report | May 5, 2021 | Mar 26, 2021 |
| 10-Q | Quarterly report | Nov 4, 2020 | Sep 25, 2020 |
| 10-Q | Quarterly report | Aug 3, 2020 | Jun 26, 2020 |
| 10-Q | Quarterly report | May 6, 2020 | Mar 27, 2020 |
| 10-Q | Quarterly report | Nov 5, 2019 | Sep 27, 2019 |
| 10-Q | Quarterly report | Aug 7, 2019 | Jun 28, 2019 |
| 10-Q | Quarterly report | May 8, 2019 | Mar 29, 2019 |
| 10-Q | Quarterly report | Nov 7, 2018 | Sep 28, 2018 |
| 10-Q | Quarterly report | Aug 8, 2018 | Jun 29, 2018 |
| 10-Q | Quarterly report | May 9, 2018 | Mar 30, 2018 |
| 10-Q | Quarterly report | Nov 8, 2017 | Sep 29, 2017 |
| 10-Q | Quarterly report | Aug 9, 2017 | Jun 30, 2017 |
| 10-Q | Quarterly report | May 10, 2017 | Mar 31, 2017 |
| 10-Q | Quarterly report | Nov 1, 2016 | Sep 23, 2016 |
| 10-Q | Quarterly report | Aug 3, 2016 | Jun 24, 2016 |
| 10-Q | Quarterly report | May 2, 2016 | Mar 25, 2016 |
| 10-Q | Quarterly report | Nov 4, 2015 | Sep 25, 2015 |
| 10-Q | Quarterly report | Aug 5, 2015 | Jun 26, 2015 |
| 10-Q | Quarterly report | May 4, 2015 | Mar 27, 2015 |
| 10-Q | Quarterly report | Nov 3, 2014 | Sep 26, 2014 |
| 10-Q | Quarterly report | Aug 4, 2014 | Jun 27, 2014 |
| 10-Q | Quarterly report | May 5, 2014 | Mar 28, 2014 |
Showing 42 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.
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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.