Euro Tech Holdings Co Ltd SEC filings CLWT
Euro Tech Holdings Co Ltd has 225 filings in SEC EDGAR's recent list, going back to Nov 18, 1996. 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 26, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 6-K | Current report (foreign issuer) | Oct 26, 2026 | Oct 26, 2026 |
| 3 | Initial insider ownership | May 28, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | May 21, 2026 | Mar 18, 2026 |
| 20-F | Annual report (foreign issuer) | Apr 30, 2026 | Dec 31, 2025 |
| 3 | Initial insider ownership | Apr 15, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Apr 10, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Apr 10, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Apr 8, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 31, 2026 | Mar 18, 2026 |
| 6-K | Current report (foreign issuer) | Dec 30, 2025 | Dec 30, 2025 |
| 6-K | Current report (foreign issuer) | Dec 2, 2025 | Nov 29, 2025 |
| 6-K | Current report (foreign issuer) | Oct 29, 2025 | Oct 27, 2025 |
| 20-F | Annual report (foreign issuer) | Apr 30, 2025 | Dec 31, 2024 |
| 6-K | Current report (foreign issuer) | Mar 20, 2025 | Mar 20, 2025 |
| 6-K | Current report (foreign issuer) | Dec 19, 2024 | Dec 18, 2024 |
| 6-K | Current report (foreign issuer) | Dec 9, 2024 | Dec 9, 2024 |
| 6-K | Current report (foreign issuer) | Nov 27, 2024 | Nov 27, 2024 |
| 6-K | Current report (foreign issuer) | Nov 22, 2024 | Nov 21, 2024 |
| 6-K | Current report (foreign issuer) | Oct 29, 2024 | Oct 22, 2024 |
| 6-K | Current report (foreign issuer) | Jun 14, 2024 | Jun 14, 2024 |
| 20-F | Annual report (foreign issuer) | Apr 30, 2024 | Dec 31, 2023 |
| 6-K | Current report (foreign issuer) | Dec 27, 2023 | Dec 27, 2023 |
| 6-K | Current report (foreign issuer) | Nov 21, 2023 | Nov 21, 2023 |
| 6-K | Current report (foreign issuer) | Oct 30, 2023 | Oct 25, 2023 |
| UPLOAD | Letter from the SEC | Aug 31, 2023 | — |
| 20-F/A | Amended annual report (foreign issuer) | Aug 28, 2023 | Dec 31, 2022 |
| CORRESP | Letter to the SEC | Aug 18, 2023 | — |
| UPLOAD | Letter from the SEC | Aug 4, 2023 | — |
| CORRESP | Letter to the SEC | Jul 27, 2023 | — |
| UPLOAD | Letter from the SEC | Jul 20, 2023 | — |
| 20-F | Annual report (foreign issuer) | May 12, 2023 | Dec 31, 2022 |
| NT 20-F | Filing | May 1, 2023 | Dec 31, 2022 |
| UPLOAD | Letter from the SEC | Feb 16, 2023 | — |
| 20-F/A | Amended annual report (foreign issuer) | Feb 6, 2023 | Dec 31, 2021 |
| UPLOAD | Letter from the SEC | Jan 30, 2023 | — |
| 6-K | Current report (foreign issuer) | Jan 17, 2023 | Jan 12, 2023 |
| 6-K | Current report (foreign issuer) | Dec 28, 2022 | Dec 28, 2022 |
| CORRESP | Letter to the SEC | Dec 23, 2022 | — |
| 6-K | Current report (foreign issuer) | Nov 22, 2022 | Nov 21, 2022 |
| UPLOAD | Letter from the SEC | Nov 17, 2022 | — |
| 6-K | Current report (foreign issuer) | Oct 31, 2022 | Oct 28, 2022 |
| CORRESP | Letter to the SEC | Sep 23, 2022 | — |
| 20-F/A | Amended annual report (foreign issuer) | Sep 23, 2022 | Dec 31, 2021 |
| UPLOAD | Letter from the SEC | Aug 23, 2022 | — |
| 6-K | Current report (foreign issuer) | Jun 14, 2022 | Jun 13, 2022 |
| 20-F | Annual report (foreign issuer) | May 16, 2022 | Dec 31, 2021 |
| NT 20-F | Nt 20f | Apr 29, 2022 | Dec 31, 2021 |
| 6-K | Current report (foreign issuer) | Jan 20, 2022 | Jan 20, 2022 |
| 6-K | Current report (foreign issuer) | Dec 16, 2021 | Dec 16, 2021 |
| 6-K | Current report (foreign issuer) | Dec 2, 2021 | Dec 2, 2021 |
| 6-K | Current report (foreign issuer) | Nov 19, 2021 | Nov 19, 2021 |
| 6-K | Current report (foreign issuer) | Oct 1, 2021 | Nov 12, 2021 |
| 6-K | Current report (foreign issuer) | Jun 29, 2021 | Jun 28, 2021 |
| 20-F | Annual report (foreign issuer) | May 13, 2021 | Dec 31, 2020 |
| NT 20-F | Primary document | Apr 30, 2021 | Dec 31, 2020 |
| 6-K | Current report (foreign issuer) | Feb 11, 2021 | Feb 11, 2021 |
| 6-K | Current report (foreign issuer) | Dec 31, 2020 | Dec 30, 2020 |
| 6-K | Current report (foreign issuer) | Oct 19, 2020 | Oct 19, 2020 |
| 6-K | Current report (foreign issuer) | Sep 10, 2020 | Sep 9, 2020 |
| 20-F | Annual report (foreign issuer) | Jun 5, 2020 | Dec 31, 2019 |
| 6-K | Current report (foreign issuer) | Apr 28, 2020 | Apr 28, 2020 |
| 6-K | Current report (foreign issuer) | Mar 11, 2020 | Mar 11, 2020 |
| 6-K | Current report (foreign issuer) | Dec 27, 2019 | Dec 27, 2019 |
| 6-K | Current report (foreign issuer) | Sep 19, 2019 | Sep 19, 2019 |
| 6-K | Current report (foreign issuer) | Aug 27, 2019 | Aug 27, 2019 |
| 6-K | Current report (foreign issuer) | Aug 2, 2019 | Aug 1, 2019 |
| 20-F | Annual report (foreign issuer) | May 14, 2019 | Dec 31, 2018 |
| NT 20-F | Filing | Apr 30, 2019 | Dec 31, 2018 |
| 6-K | Current report (foreign issuer) | Apr 25, 2019 | Apr 24, 2019 |
| 6-K | Current report (foreign issuer) | Mar 5, 2019 | Mar 4, 2019 |
| 6-K | Current report (foreign issuer) | Feb 25, 2019 | Feb 22, 2019 |
| 6-K | Current report (foreign issuer) | Dec 28, 2018 | Dec 27, 2018 |
| 6-K | Current report (foreign issuer) | Nov 14, 2018 | Nov 13, 2018 |
| 6-K | Current report (foreign issuer) | Oct 17, 2018 | Oct 15, 2018 |
| 6-K | Current report (foreign issuer) | Jun 1, 2018 | Jun 1, 2018 |
| 6-K | Current report (foreign issuer) | May 25, 2018 | May 25, 2018 |
| 20-F | Annual report (foreign issuer) | May 14, 2018 | Dec 31, 2017 |
| NT 20-F | 12-b25 | Apr 30, 2018 | Dec 31, 2017 |
| 6-K | Current report (foreign issuer) | Apr 2, 2018 | Mar 30, 2018 |
| 6-K | Current report (foreign issuer) | Jan 30, 2018 | Jan 29, 2018 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 8, 2018 | — |
| 6-K | Current report (foreign issuer) | Dec 27, 2017 | Dec 27, 2017 |
| 6-K | Current report (foreign issuer) | Nov 2, 2017 | Oct 26, 2017 |
| 6-K | Current report (foreign issuer) | Sep 12, 2017 | Aug 17, 2017 |
| 6-K | Current report (foreign issuer) | Jul 12, 2017 | Jul 12, 2017 |
| SC 13G | Ownership over 5% (passive) | May 25, 2017 | — |
| 20-F | Annual report (foreign issuer) | Apr 26, 2017 | Dec 31, 2016 |
| 6-K | Current report (foreign issuer) | Jan 27, 2017 | Jan 26, 2017 |
| 6-K | Current report (foreign issuer) | Dec 15, 2016 | Dec 14, 2016 |
| 6-K | Current report (foreign issuer) | Sep 6, 2016 | Aug 30, 2016 |
| 6-K | Current report (foreign issuer) | Jul 28, 2016 | Jul 28, 2016 |
| 20-F | Annual report (foreign issuer) | Apr 28, 2016 | Dec 31, 2015 |
| 20-F/A | Amended annual report (foreign issuer) | Apr 28, 2016 | Dec 31, 2014 |
| 6-K | Current report (foreign issuer) | Dec 24, 2015 | Dec 24, 2015 |
| 6-K | Current report (foreign issuer) | Nov 12, 2015 | Nov 9, 2015 |
| 6-K | Current report (foreign issuer) | Oct 13, 2015 | Oct 13, 2015 |
| 6-K | Current report (foreign issuer) | Aug 26, 2015 | Aug 26, 2015 |
| 20-F | Annual report (foreign issuer) | Apr 29, 2015 | Dec 31, 2014 |
| 6-K | Current report (foreign issuer) | Apr 1, 2015 | Apr 1, 2015 |
| 6-K | Current report (foreign issuer) | Jan 2, 2015 | Dec 29, 2014 |
| 6-K | Current report (foreign issuer) | Nov 5, 2014 | Oct 30, 2014 |
| 6-K | Current report (foreign issuer) | Oct 6, 2014 | Oct 3, 2014 |
| 20-F/A | Amended annual report (foreign issuer) | Jul 17, 2014 | Dec 31, 2013 |
| 20-F | Annual report (foreign issuer) | Apr 29, 2014 | Dec 31, 2013 |
| 6-K | Current report (foreign issuer) | Dec 30, 2013 | Dec 30, 2013 |
| 6-K | Current report (foreign issuer) | Aug 5, 2013 | Aug 1, 2013 |
| 6-K | Current report (foreign issuer) | Jul 18, 2013 | Jul 18, 2013 |
| 20-F/A | Amended annual report (foreign issuer) | Jul 11, 2013 | Dec 31, 2012 |
| 20-F | Annual report (foreign issuer) | Apr 24, 2013 | Dec 31, 2012 |
| 6-K | Current report (foreign issuer) | Dec 31, 2012 | Dec 27, 2012 |
| 6-K | Current report (foreign issuer) | Aug 14, 2012 | Aug 8, 2012 |
| 6-K | Current report (foreign issuer) | Jul 18, 2012 | Jul 13, 2012 |
| 20-F | Annual report (foreign issuer) | Apr 27, 2012 | Dec 31, 2011 |
| 6-K | Current report (foreign issuer) | Feb 9, 2012 | Feb 8, 2012 |
| 6-K | Current report (foreign issuer) | Feb 6, 2012 | Feb 6, 2012 |
| 6-K | Current report (foreign issuer) | Feb 3, 2012 | Feb 3, 2012 |
| 6-K | Current report (foreign issuer) | Jan 17, 2012 | Jan 17, 2012 |
| 6-K | Current report (foreign issuer) | Jan 5, 2012 | Dec 31, 2011 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 16, 2011 | — |
| 6-K | Current report (foreign issuer) | Nov 30, 2011 | Nov 29, 2011 |
| 6-K | Current report (foreign issuer) | Sep 26, 2011 | Sep 20, 2011 |
| 6-K | Current report (foreign issuer) | Sep 20, 2011 | Sep 16, 2011 |
| 6-K | Current report (foreign issuer) | Aug 30, 2011 | Aug 25, 2011 |
| 6-K | Current report (foreign issuer) | Aug 8, 2011 | Aug 1, 2011 |
| 20-F | Annual report (foreign issuer) | Jun 28, 2011 | Dec 31, 2010 |
| 6-K | Current report (foreign issuer) | Dec 20, 2010 | Dec 13, 2010 |
| 6-K | Current report (foreign issuer) | Sep 30, 2010 | Sep 24, 2010 |
| 6-K | Current report (foreign issuer) | Sep 7, 2010 | Sep 2, 2010 |
| 6-K | Current report (foreign issuer) | Aug 9, 2010 | Aug 2, 2010 |
| 20-F | Annual report (foreign issuer) | Jun 30, 2010 | Dec 31, 2009 |
| 20-F/A | Amended annual report (foreign issuer) | Jun 30, 2010 | Dec 31, 2008 |
| 6-K | Current report (foreign issuer) | Jan 5, 2010 | Dec 28, 2009 |
| 6-K | Current report (foreign issuer) | Sep 25, 2009 | Sep 24, 2009 |
| 6-K | Current report (foreign issuer) | Aug 26, 2009 | Aug 25, 2009 |
| 20-F | Annual report (foreign issuer) | Jun 29, 2009 | Dec 31, 2008 |
| UPLOAD | Letter from the SEC | Jun 3, 2009 | — |
| CORRESP | Letter to the SEC | Jan 23, 2009 | — |
| 20-F/A | Amended annual report (foreign issuer) | Jan 23, 2009 | Dec 31, 2007 |
| CORRESP | Letter to the SEC | Jan 9, 2009 | — |
| 6-K | Current report (foreign issuer) | Jan 5, 2009 | Dec 29, 2008 |
| UPLOAD | Letter from the SEC | Dec 23, 2008 | — |
| 6-K | Current report (foreign issuer) | Dec 4, 2008 | Dec 14, 2008 |
| 6-K | Current report (foreign issuer) | Sep 26, 2008 | Sep 25, 2008 |
| 6-K | Current report (foreign issuer) | Sep 4, 2008 | Sep 4, 2008 |
| 20-F | Annual report (foreign issuer) | Jun 30, 2008 | Dec 31, 2007 |
| 6-K | Current report (foreign issuer) | Dec 31, 2007 | Dec 27, 2007 |
| 6-K | Current report (foreign issuer) | Sep 10, 2007 | Aug 31, 2007 |
| 6-K | Current report (foreign issuer) | Aug 14, 2007 | Aug 13, 2007 |
| 20-F | Annual report (foreign issuer) | Jun 28, 2007 | Dec 31, 2006 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 4, 2007 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 22, 2007 | — |
| 6-K | Current report (foreign issuer) | Jan 3, 2007 | Dec 27, 2006 |
| 6-K | Current report (foreign issuer) | Sep 7, 2006 | Aug 17, 2006 |
| 6-K | Current report (foreign issuer) | Jul 19, 2006 | Jul 18, 2006 |
| 6-K | Current report (foreign issuer) | Jun 29, 2006 | Jun 16, 2006 |
| 20-F | Annual report (foreign issuer) | Jun 29, 2006 | Dec 31, 2005 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 20, 2006 | — |
| UPLOAD | Letter from the SEC | Mar 9, 2006 | — |
| CORRESP | Letter to the SEC | Feb 28, 2006 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 10, 2006 | — |
| 6-K | Current report (foreign issuer) | Jan 9, 2006 | Jan 9, 2006 |
| SC 13D/A | Amended ownership over 5% (active) | Jan 6, 2006 | — |
| UPLOAD | Letter from the SEC | Jan 3, 2006 | — |
| 6-K | Current report (foreign issuer) | Dec 30, 2005 | Dec 23, 2005 |
| 6-K | Current report (foreign issuer) | Dec 8, 2005 | Nov 22, 2005 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 15, 2005 | — |
| 6-K | Current report (foreign issuer) | Oct 27, 2005 | Oct 18, 2005 |
| 6-K | Current report (foreign issuer) | Sep 16, 2005 | Sep 2, 2005 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 9, 2005 | — |
| 6-K | Current report (foreign issuer) | Aug 9, 2005 | Aug 5, 2005 |
| 6-K | Current report (foreign issuer) | Aug 5, 2005 | Jul 29, 2005 |
| 20-F | Annual report (foreign issuer) | Jul 14, 2005 | Dec 31, 2004 |
| NT 20-F | Filing | Jul 1, 2005 | Dec 31, 2004 |
| 6-K | Current report (foreign issuer) | Sep 15, 2004 | Sep 13, 2004 |
| 6-K | Current report (foreign issuer) | Aug 12, 2004 | Aug 6, 2004 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 20, 2004 | — |
| 6-K | Current report (foreign issuer) | Jul 12, 2004 | Jul 9, 2004 |
| 20-F | Annual report (foreign issuer) | Jun 29, 2004 | Dec 31, 2003 |
| 6-K | Current report (foreign issuer) | Jun 29, 2004 | Dec 31, 2003 |
| SC 13D/A | Amended ownership over 5% (active) | May 5, 2004 | — |
| 6-K | Current report (foreign issuer) | Aug 12, 2003 | Aug 12, 2003 |
| 6-K | Current report (foreign issuer) | Jul 18, 2003 | Jul 17, 2003 |
| 6-K | Current report (foreign issuer) | Jun 27, 2003 | Jun 27, 2003 |
| 20-F | Annual report (foreign issuer) | Jun 27, 2003 | Dec 31, 2002 |
| SC 13D/A | Amended ownership over 5% (active) | May 29, 2003 | — |
| SC 13D | Ownership over 5% (active) | Feb 4, 2003 | — |
| 6-K | Current report (foreign issuer) | Sep 24, 2002 | Sep 23, 2002 |
| 6-K | Current report (foreign issuer) | Sep 10, 2002 | Sep 9, 2002 |
| 6-K | Current report (foreign issuer) | Aug 19, 2002 | Aug 15, 2002 |
| 6-K | Current report (foreign issuer) | Jul 24, 2002 | Jul 24, 2002 |
| 20-F | Annual report (foreign issuer) | Jun 28, 2002 | Dec 31, 2001 |
| 6-K | Current report (foreign issuer) | Feb 11, 2002 | Jan 31, 2002 |
| 6-K | Current report (foreign issuer) | Oct 24, 2001 | Aug 15, 2001 |
| 6-K | Current report (foreign issuer) | Oct 19, 2001 | Oct 19, 2001 |
| 6-K | Current report (foreign issuer) | Jul 25, 2001 | Jul 24, 2001 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 24, 2001 | — |
| 6-K | Current report (foreign issuer) | Jul 12, 2001 | Jul 11, 2001 |
| 20-F | Annual report (foreign issuer) | Jun 29, 2001 | Dec 31, 2000 |
| 6-K | Current report (foreign issuer) | Apr 30, 2001 | Apr 27, 2001 |
| 6-K | Current report (foreign issuer) | Mar 20, 2001 | Mar 19, 2001 |
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
- Wholesale-Professional & Commercial Equipment & Supplies (SIC 5040)
- Listed as
- CLWT (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- Virgin Islands, British
- Headquarters
- Hong Kong
- SEC filer status
- Non-accelerated filer
- SEC CIK
- 1026662
Source: SEC EDGAR filings. This is company-reported data, not investment advice.