Deswell Industries Inc SEC filings DSWL
Deswell Industries Inc has 339 filings in SEC EDGAR's recent list, going back to Nov 1, 2000. Its latest annual report, Form 20-F, was filed on Jul 30, 2026 for the period ended Mar 31, 2026. The most recent current report (Form 6-K) was filed on Sep 18, 2026. The company's fiscal year ends on March 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 6-K | Current report (foreign issuer) | Sep 18, 2026 | Sep 18, 2026 |
| 6-K | Current report (foreign issuer) | Jul 30, 2026 | Jul 30, 2026 |
| 20-F | Annual report (foreign issuer) | Jul 30, 2026 | Mar 31, 2026 |
| 6-K | Current report (foreign issuer) | Jun 17, 2026 | Jun 17, 2026 |
| SD | Specialized disclosure (conflict minerals) | May 29, 2026 | — |
| 3 | Initial insider ownership | Apr 1, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 27, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 27, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 27, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 27, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 27, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 27, 2026 | Mar 18, 2026 |
| 6-K | Current report (foreign issuer) | Feb 3, 2026 | Feb 3, 2026 |
| 6-K | Current report (foreign issuer) | Nov 20, 2025 | Nov 20, 2025 |
| 6-K | Current report (foreign issuer) | Nov 13, 2025 | Sep 30, 2025 |
| 6-K | Current report (foreign issuer) | Sep 19, 2025 | Sep 19, 2025 |
| 6-K | Current report (foreign issuer) | Jul 29, 2025 | Jul 29, 2025 |
| 20-F | Annual report (foreign issuer) | Jul 29, 2025 | Mar 31, 2025 |
| 6-K | Current report (foreign issuer) | Jun 18, 2025 | Jun 18, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2025 | — |
| UPLOAD | Letter from the SEC | May 19, 2025 | — |
| CORRESP | Letter to the SEC | May 12, 2025 | — |
| UPLOAD | Letter from the SEC | May 5, 2025 | — |
| CORRESP | Letter to the SEC | Apr 21, 2025 | — |
| UPLOAD | Letter from the SEC | Mar 13, 2025 | — |
| 6-K | Current report (foreign issuer) | Nov 22, 2024 | Nov 22, 2024 |
| 6-K | Current report (foreign issuer) | Nov 15, 2024 | Nov 15, 2024 |
| 6-K | Current report (foreign issuer) | Sep 30, 2024 | Sep 30, 2024 |
| 6-K | Current report (foreign issuer) | Aug 9, 2024 | Aug 9, 2024 |
| 20-F | Annual report (foreign issuer) | Aug 9, 2024 | Mar 31, 2024 |
| NT 20-F | Notification of late filing | Jul 31, 2024 | Mar 31, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 27, 2024 | — |
| 6-K | Current report (foreign issuer) | Jun 20, 2024 | Jun 20, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 12, 2024 | — |
| SD | Specialized disclosure (conflict minerals) | May 30, 2024 | — |
| SC 13D | Ownership over 5% (active) | May 29, 2024 | — |
| 6-K | Current report (foreign issuer) | Feb 26, 2024 | Feb 26, 2024 |
| 6-K | Current report (foreign issuer) | Feb 22, 2024 | Feb 22, 2024 |
| UPLOAD | Letter from the SEC | Jan 2, 2024 | — |
| 6-K | Current report (foreign issuer) | Dec 21, 2023 | Dec 21, 2023 |
| CORRESP | Letter to the SEC | Dec 6, 2023 | — |
| UPLOAD | Letter from the SEC | Nov 22, 2023 | — |
| 6-K | Current report (foreign issuer) | Nov 17, 2023 | Nov 17, 2023 |
| 6-K | Current report (foreign issuer) | Sep 28, 2023 | Sep 28, 2023 |
| CORRESP | Letter to the SEC | Sep 28, 2023 | — |
| 20-F/A | Amended annual report (foreign issuer) | Sep 28, 2023 | Mar 31, 2023 |
| UPLOAD | Letter from the SEC | Sep 14, 2023 | — |
| 6-K | Current report (foreign issuer) | Jul 28, 2023 | Jul 28, 2023 |
| 20-F | Annual report (foreign issuer) | Jul 28, 2023 | Mar 31, 2023 |
| 6-K | Current report (foreign issuer) | Jun 20, 2023 | Jun 20, 2023 |
| 6-K | Current report (foreign issuer) | Jun 16, 2023 | Jun 16, 2023 |
| 6-K | Current report (foreign issuer) | Jun 16, 2023 | Jun 16, 2023 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 4, 2023 | — |
| 6-K | Current report (foreign issuer) | Nov 18, 2022 | Nov 17, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 28, 2022 | — |
| 6-K | Current report (foreign issuer) | Oct 11, 2022 | Oct 11, 2022 |
| 6-K | Current report (foreign issuer) | Aug 11, 2022 | Sep 30, 2022 |
| 6-K | Current report (foreign issuer) | Jul 28, 2022 | Jul 28, 2022 |
| 20-F | Annual report (foreign issuer) | Jul 28, 2022 | Mar 31, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 6, 2022 | — |
| 6-K | Current report (foreign issuer) | Jun 16, 2022 | Jun 16, 2022 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 28, 2022 | — |
| 6-K | Current report (foreign issuer) | Nov 22, 2021 | Nov 22, 2021 |
| 6-K | Current report (foreign issuer) | Aug 26, 2021 | Aug 26, 2021 |
| 20-F/A | Amended annual report (foreign issuer) | Jul 28, 2021 | Mar 31, 2021 |
| 6-K | Current report (foreign issuer) | Jul 23, 2021 | Jul 23, 2021 |
| 20-F | Annual report (foreign issuer) | Jul 23, 2021 | Mar 31, 2021 |
| 6-K | Current report (foreign issuer) | Jun 9, 2021 | Jun 9, 2021 |
| SD | Specialized disclosure (conflict minerals) | May 28, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 19, 2021 | — |
| 6-K | Current report (foreign issuer) | Nov 10, 2020 | Nov 10, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 29, 2020 | — |
| 6-K | Current report (foreign issuer) | Aug 20, 2020 | Aug 20, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 24, 2020 | — |
| 6-K | Current report (foreign issuer) | Jul 20, 2020 | Jul 17, 2020 |
| 20-F | Annual report (foreign issuer) | Jul 17, 2020 | Mar 31, 2020 |
| 6-K | Current report (foreign issuer) | Jun 11, 2020 | Jun 11, 2020 |
| SD | Specialized disclosure (conflict minerals) | May 26, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 27, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 20, 2019 | — |
| 6-K | Current report (foreign issuer) | Nov 15, 2019 | Nov 15, 2019 |
| 6-K | Current report (foreign issuer) | Aug 20, 2019 | Aug 20, 2019 |
| 6-K | Current report (foreign issuer) | Jul 12, 2019 | Jul 12, 2019 |
| 20-F | Annual report (foreign issuer) | Jul 12, 2019 | Mar 31, 2019 |
| 6-K | Current report (foreign issuer) | Jun 11, 2019 | Jun 11, 2019 |
| SD | Specialized disclosure (conflict minerals) | May 29, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 24, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 11, 2018 | — |
| 6-K | Current report (foreign issuer) | Nov 15, 2018 | Nov 15, 2018 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 25, 2018 | — |
| 6-K | Current report (foreign issuer) | Aug 9, 2018 | Aug 9, 2018 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 25, 2018 | — |
| 6-K | Current report (foreign issuer) | Jul 13, 2018 | Jul 13, 2018 |
| 20-F | Annual report (foreign issuer) | Jul 13, 2018 | Mar 31, 2018 |
| 6-K | Current report (foreign issuer) | Jun 12, 2018 | Jun 12, 2018 |
| SD | Specialized disclosure (conflict minerals) | May 29, 2018 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 7, 2018 | — |
| 6-K | Current report (foreign issuer) | Nov 16, 2017 | Nov 16, 2017 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 15, 2017 | — |
| SC 13D/A | Amended ownership over 5% (active) | Sep 21, 2017 | — |
| 6-K | Current report (foreign issuer) | Aug 11, 2017 | Jul 14, 2017 |
| 6-K | Current report (foreign issuer) | Jul 14, 2017 | Jul 14, 2017 |
| 20-F | Annual report (foreign issuer) | Jul 14, 2017 | Jul 14, 2017 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 12, 2017 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 14, 2017 | — |
| 6-K | Current report (foreign issuer) | Jun 12, 2017 | Jun 12, 2017 |
| SD | Specialized disclosure (conflict minerals) | May 26, 2017 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 13, 2017 | — |
| 6-K | Current report (foreign issuer) | Mar 1, 2017 | Mar 1, 2017 |
| 6-K | Current report (foreign issuer) | Nov 17, 2016 | Nov 17, 2016 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 16, 2016 | — |
| SC 13D/A | Amended ownership over 5% (active) | Sep 23, 2016 | — |
| 6-K | Current report (foreign issuer) | Aug 18, 2016 | Aug 1, 2016 |
| 6-K | Current report (foreign issuer) | Jul 29, 2016 | Jul 29, 2016 |
| 20-F | Annual report (foreign issuer) | Jul 27, 2016 | Jul 15, 2016 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 22, 2016 | — |
| 6-K | Current report (foreign issuer) | Jul 6, 2016 | Jul 6, 2016 |
| 6-K | Current report (foreign issuer) | Jun 24, 2016 | Jun 24, 2016 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2016 | — |
| 6-K | Current report (foreign issuer) | Mar 11, 2016 | Mar 11, 2016 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 18, 2016 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 7, 2016 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 27, 2015 | — |
| 6-K | Current report (foreign issuer) | Nov 12, 2015 | Nov 11, 2015 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 2, 2015 | — |
| 6-K | Current report (foreign issuer) | Sep 4, 2015 | Sep 4, 2015 |
| 6-K | Current report (foreign issuer) | Aug 17, 2015 | Aug 18, 2015 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 7, 2015 | — |
| 6-K | Current report (foreign issuer) | Jul 29, 2015 | Jul 29, 2015 |
| 20-F | Annual report (foreign issuer) | Jul 28, 2015 | Mar 31, 2015 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 10, 2015 | — |
| 6-K | Current report (foreign issuer) | Jun 25, 2015 | Jun 24, 2015 |
| 6-K | Current report (foreign issuer) | Jun 22, 2015 | Jun 22, 2015 |
| SD | Specialized disclosure (conflict minerals) | May 28, 2015 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 30, 2015 | — |
| 6-K | Current report (foreign issuer) | Feb 13, 2015 | Feb 13, 2015 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 9, 2015 | — |
| 6-K | Current report (foreign issuer) | Jan 8, 2015 | Jan 8, 2015 |
| S-8 | Employee stock plan registration | Oct 31, 2014 | — |
| SC 13D/A | Amended ownership over 5% (active) | Sep 29, 2014 | — |
| 6-K | Current report (foreign issuer) | Aug 22, 2014 | Aug 22, 2014 |
| 6-K | Current report (foreign issuer) | Aug 11, 2014 | Aug 11, 2014 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 29, 2014 | — |
| 6-K | Current report (foreign issuer) | Jul 14, 2014 | Jul 14, 2014 |
| 20-F | Annual report (foreign issuer) | Jul 11, 2014 | Mar 31, 2014 |
| 6-K | Current report (foreign issuer) | Jun 10, 2014 | Jun 10, 2014 |
| SD | Specialized disclosure (conflict minerals) | Jun 2, 2014 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 30, 2014 | — |
| 6-K | Current report (foreign issuer) | Feb 25, 2014 | Feb 25, 2014 |
| 6-K | Current report (foreign issuer) | Nov 29, 2013 | Nov 29, 2013 |
| 6-K | Current report (foreign issuer) | Nov 13, 2013 | Nov 13, 2013 |
| 6-K | Current report (foreign issuer) | Aug 30, 2013 | Aug 30, 2013 |
| 6-K | Current report (foreign issuer) | Aug 12, 2013 | Aug 12, 2013 |
| 6-K | Current report (foreign issuer) | Jul 17, 2013 | Jul 17, 2013 |
| 20-F | Annual report (foreign issuer) | Jul 16, 2013 | Mar 31, 2013 |
| 6-K | Current report (foreign issuer) | Jun 13, 2013 | Jun 13, 2013 |
| 6-K | Current report (foreign issuer) | Feb 5, 2013 | Feb 5, 2013 |
| 6-K | Current report (foreign issuer) | Nov 16, 2012 | Nov 16, 2012 |
| 6-K | Current report (foreign issuer) | Aug 15, 2012 | Aug 15, 2012 |
| 6-K | Current report (foreign issuer) | Aug 13, 2012 | Sep 12, 2012 |
| 6-K | Current report (foreign issuer) | Jul 23, 2012 | Jul 23, 2012 |
| 20-F | Annual report (foreign issuer) | Jul 20, 2012 | Mar 31, 2012 |
| 6-K | Current report (foreign issuer) | Jun 18, 2012 | Jun 18, 2012 |
| 6-K | Current report (foreign issuer) | Mar 14, 2012 | Mar 14, 2012 |
| 6-K | Current report (foreign issuer) | Mar 13, 2012 | Mar 13, 2012 |
| 6-K | Current report (foreign issuer) | Mar 7, 2012 | Mar 7, 2012 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2012 | — |
| 6-K | Current report (foreign issuer) | Nov 30, 2011 | Nov 30, 2011 |
| 6-K | Current report (foreign issuer) | Sep 8, 2011 | Sep 8, 2011 |
| 6-K | Current report (foreign issuer) | Aug 26, 2011 | Aug 1, 2011 |
| 6-K | Current report (foreign issuer) | Aug 22, 2011 | Sep 22, 2011 |
| 6-K | Current report (foreign issuer) | Aug 3, 2011 | Aug 3, 2011 |
| 20-F | Annual report (foreign issuer) | Aug 2, 2011 | Mar 31, 2011 |
| 6-K | Current report (foreign issuer) | Jun 29, 2011 | Jun 29, 2011 |
| 6-K | Current report (foreign issuer) | Apr 1, 2011 | Apr 1, 2011 |
| 6-K | Current report (foreign issuer) | Mar 10, 2011 | Mar 10, 2011 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2011 | — |
| S-8 | Employee stock plan registration | Dec 21, 2010 | — |
| 6-K | Current report (foreign issuer) | Dec 15, 2010 | Dec 15, 2010 |
| 6-K | Current report (foreign issuer) | Sep 9, 2010 | Sep 9, 2010 |
| 6-K | Current report (foreign issuer) | Aug 18, 2010 | Aug 1, 2010 |
| 6-K | Current report (foreign issuer) | Aug 18, 2010 | Aug 18, 2010 |
| 6-K | Current report (foreign issuer) | Aug 16, 2010 | Aug 16, 2010 |
| 20-F | Annual report (foreign issuer) | Jul 29, 2010 | Mar 31, 2010 |
| 6-K/A | Deswell industries, inc. 6-k/a | Jul 6, 2010 | Jul 6, 2010 |
| 6-K | Current report (foreign issuer) | Jun 23, 2010 | Jun 23, 2010 |
| 8-A12B/A | Filing | Mar 31, 2010 | — |
| UPLOAD | Letter from the SEC | Mar 17, 2010 | — |
| CORRESP | Letter to the SEC | Mar 8, 2010 | — |
| UPLOAD | Letter from the SEC | Mar 2, 2010 | — |
| 6-K | Current report (foreign issuer) | Mar 2, 2010 | Mar 2, 2010 |
| SC 13G | Ownership over 5% (passive) | Feb 16, 2010 | — |
| CORRESP | Letter to the SEC | Jan 28, 2010 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 27, 2010 | — |
| UPLOAD | Letter from the SEC | Jan 13, 2010 | — |
| 6-K | Current report (foreign issuer) | Dec 3, 2009 | Dec 3, 2009 |
| 6-K | Current report (foreign issuer) | Sep 10, 2009 | Sep 10, 2009 |
| 6-K | Current report (foreign issuer) | Sep 10, 2009 | Sep 9, 2009 |
Showing 200 filings, the most recent 200. 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
- Plastics Products, NEC (SIC 3089)
- Listed as
- DSWL (Nasdaq)
- Fiscal year ends
- March 31
- Headquarters
- Macao
- SEC filer status
- Non-accelerated filer
- SEC CIK
- 946936
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.