Silicon Motion Technology CORP SEC filings SIMO
Silicon Motion Technology CORP has 455 filings in SEC EDGAR's recent list, going back to Jun 9, 2005. Its latest annual report, Form 20-F, was filed on Apr 30, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Oct 29, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SD | Specialized disclosure (conflict minerals) | May 29, 2026 | — |
| SD | Specialized disclosure (conflict minerals) | May 30, 2025 | — |
| SD | Specialized disclosure (conflict minerals) | May 30, 2024 | — |
| 425 | Filing | Jun 28, 2023 | — |
| 425 | Filing | Jun 7, 2023 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2023 | — |
| 425 | Filing | Apr 27, 2023 | — |
| 425 | Filing | Feb 2, 2023 | — |
| 425 | Filing | Jan 11, 2023 | — |
| 425 | Filing | Dec 1, 2022 | — |
| 425 | Filing | Dec 1, 2022 | — |
| 425 | Filing | Oct 26, 2022 | — |
| 425 | Filing | Sep 9, 2022 | — |
| 425 | Filing | Sep 1, 2022 | — |
| 425 | Filing | Aug 31, 2022 | — |
| 425 | Filing | Aug 31, 2022 | — |
| 425 | Filing | Aug 10, 2022 | — |
| 425 | Filing | Jul 28, 2022 | — |
| 425 | Filing | Jun 28, 2022 | — |
| 425 | Filing | Jun 21, 2022 | — |
| 425 | Filing | Jun 8, 2022 | — |
| 425 | Filing | Jun 7, 2022 | — |
| SD | Specialized disclosure (conflict minerals) | May 27, 2022 | — |
| 425 | Filing | May 6, 2022 | — |
| 425 | Filing | May 5, 2022 | — |
| 425 | Filing | May 5, 2022 | — |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2021 | — |
| NT 20-F | Filing | Apr 30, 2021 | Dec 31, 2020 |
| UPLOAD | Letter from the SEC | Sep 10, 2020 | — |
| CORRESP | Letter to the SEC | Sep 9, 2020 | — |
| UPLOAD | Letter from the SEC | Aug 25, 2020 | — |
| CORRESP | Letter to the SEC | Aug 14, 2020 | — |
| CORRESP | Letter to the SEC | Aug 6, 2020 | — |
| CORRESP | Letter to the SEC | Jul 22, 2020 | — |
| UPLOAD | Letter from the SEC | Jul 9, 2020 | — |
| SD | Specialized disclosure (conflict minerals) | May 29, 2020 | — |
| SD | Specialized disclosure (conflict minerals) | May 29, 2019 | — |
| NT 20-F | Filing | Apr 30, 2019 | Dec 31, 2018 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2018 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2017 | — |
| UPLOAD | Letter from the SEC | Sep 29, 2016 | — |
| CORRESP | Letter to the SEC | Sep 28, 2016 | — |
| UPLOAD | Letter from the SEC | Sep 16, 2016 | — |
| CORRESP | Letter to the SEC | Aug 30, 2016 | — |
| UPLOAD | Letter from the SEC | Aug 2, 2016 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2016 | — |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2015 | — |
| SD | Specialized disclosure (conflict minerals) | Jun 6, 2014 | — |
| NT 20-F | Notification of late filing | Jun 30, 2009 | Dec 31, 2008 |
| UPLOAD | Letter from the SEC | May 23, 2008 | — |
| CORRESP | Letter to the SEC | Dec 11, 2007 | — |
| UPLOAD | Letter from the SEC | Nov 19, 2007 | — |
| CORRESP | Letter to the SEC | Oct 29, 2007 | — |
| UPLOAD | Letter from the SEC | Oct 18, 2007 | — |
| EFFECT | Filing | Oct 9, 2007 | — |
| UPLOAD | Letter from the SEC | Jun 28, 2005 | — |
| CORRESP | Letter to the SEC | Jun 28, 2005 | — |
| CORRESP | Letter to the SEC | Jun 27, 2005 | — |
| 8-A12G | Form 8-a | Jun 23, 2005 | — |
Showing 59 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
- SIMO (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- Cayman Islands
- Headquarters
- Hong Kong Island, Hong Kong
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1329394
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.