Canadian Solar Inc. SEC filings CSIQ
Canadian Solar Inc. has 566 filings in SEC EDGAR's recent list, going back to Oct 23, 2006. Its latest annual report, Form 20-F, was filed on Apr 10, 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 |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 3, 2026 | — |
| 4 | Insider transaction | Oct 14, 2026 | Oct 12, 2026 |
| 4 | Insider transaction | Oct 14, 2026 | Oct 12, 2026 |
| 4 | Insider transaction | Oct 14, 2026 | Oct 12, 2026 |
| 4 | Insider transaction | Oct 14, 2026 | Oct 12, 2026 |
| 4 | Insider transaction | Oct 7, 2026 | Oct 6, 2026 |
| 4 | Insider transaction | Oct 7, 2026 | Oct 6, 2026 |
| 4 | Insider transaction | Oct 7, 2026 | Oct 6, 2026 |
| 4 | Insider transaction | Oct 7, 2026 | Oct 6, 2026 |
| 4 | Insider transaction | Oct 7, 2026 | Oct 6, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 27, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 23, 2026 | — |
| 4 | Insider transaction | Jul 14, 2026 | Jul 9, 2026 |
| 4 | Insider transaction | Jul 14, 2026 | Jul 9, 2026 |
| 4 | Insider transaction | Jul 14, 2026 | Jul 9, 2026 |
| 4 | Insider transaction | Jul 13, 2026 | Jul 9, 2026 |
| 4 | Insider transaction | Jul 13, 2026 | Jul 9, 2026 |
| 4 | Insider transaction | Jul 13, 2026 | Jul 9, 2026 |
| 4 | Insider transaction | Jul 13, 2026 | Jul 9, 2026 |
| 4 | Insider transaction | Jul 13, 2026 | Jul 9, 2026 |
| 4 | Insider transaction | Jul 13, 2026 | Jul 9, 2026 |
| 4 | Insider transaction | Jul 6, 2026 | Jul 2, 2026 |
| 4 | Insider transaction | Jul 6, 2026 | Jul 2, 2026 |
| 4 | Insider transaction | Jul 6, 2026 | Jul 2, 2026 |
| 4 | Insider transaction | Jul 6, 2026 | Jul 2, 2026 |
| 144 | Notice of proposed sale | Jun 16, 2026 | — |
| 4 | Insider transaction | May 28, 2026 | May 26, 2026 |
| 4/A | Ownership document | May 28, 2026 | May 21, 2026 |
| 4/A | Ownership document | May 28, 2026 | May 13, 2026 |
| 3/A | Ownership document | May 28, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | May 28, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 28, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 28, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 6, 2026 |
| 144 | Notice of proposed sale | May 26, 2026 | — |
| 4 | Insider transaction | May 22, 2026 | May 21, 2026 |
| 4 | Insider transaction | May 22, 2026 | May 21, 2026 |
| 4 | Insider transaction | May 22, 2026 | May 21, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 19, 2026 |
| 144 | Notice of proposed sale | May 19, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2026 | — |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 3/A | Ownership document | May 14, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 4 | Insider transaction | Apr 6, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 6, 2026 | Apr 2, 2026 |
| 4 | Insider transaction | Apr 6, 2026 | Apr 2, 2026 |
| 3/A | Ownership document | Apr 6, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Apr 6, 2026 | Apr 2, 2026 |
| 4 | Insider transaction | Apr 6, 2026 | Apr 2, 2026 |
| 4 | Insider transaction | Apr 6, 2026 | Apr 2, 2026 |
| 3/A | Ownership document | Apr 6, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 27, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 25, 2026 | Mar 18, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Mar 20, 2026 | — |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 144 | Notice of proposed sale | Nov 20, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 17, 2025 | — |
| 144 | Notice of proposed sale | Nov 17, 2025 | — |
| 144 | Notice of proposed sale | Nov 17, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 13, 2025 | — |
| 144 | Notice of proposed sale | Sep 9, 2025 | — |
| 144 | Notice of proposed sale | Sep 8, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 7, 2025 | — |
| 144 | Notice of proposed sale | Jun 16, 2025 | — |
| 144 | Notice of proposed sale | Jun 11, 2025 | — |
| 144 | Notice of proposed sale | May 22, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 13, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 25, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 24, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 5, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 24, 2025 | — |
| 144 | Notice of proposed sale | Dec 16, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 8, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 22, 2024 | — |
| 144 | Notice of proposed sale | Sep 11, 2024 | — |
| 144 | Notice of proposed sale | Jun 12, 2024 | — |
| 144 | Notice of proposed sale | Jun 11, 2024 | — |
| 144 | Notice of proposed sale | Jun 4, 2024 | — |
| 144 | Notice of proposed sale | May 23, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | May 6, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Mar 4, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| 144 | Notice of proposed sale | Dec 1, 2023 | — |
| 144 | Notice of proposed sale | Sep 5, 2023 | — |
| 144 | Notice of proposed sale | Sep 1, 2023 | — |
| 144 | Notice of proposed sale | Aug 24, 2023 | — |
| 144 | Notice of proposed sale | Jun 15, 2023 | — |
| 144 | Notice of proposed sale | Jun 15, 2023 | — |
| 144 | Notice of proposed sale | Jun 15, 2023 | — |
| 144 | Notice of proposed sale | May 30, 2023 | — |
| 144 | Notice of proposed sale | May 26, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 31, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 11, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 3, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 31, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Jan 8, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 27, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 28, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jul 23, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 7, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 6, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Nov 29, 2018 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 8, 2018 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 11, 2018 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 10, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Sep 7, 2018 | — |
| SC 13D | Ownership over 5% (active) | Aug 29, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2018 | — |
| SC 13G | Ownership over 5% (passive) | Jan 5, 2018 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 12, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2017 | — |
| SC 13G | Ownership over 5% (passive) | Jan 19, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 17, 2015 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 28, 2015 | — |
| SC 13G | Ownership over 5% (passive) | Oct 14, 2014 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2014 | — |
| SC 13G | Ownership over 5% (passive) | Aug 19, 2013 | — |
| SC 13D | Ownership over 5% (active) | Jun 17, 2013 | — |
| SC 13G | Ownership over 5% (passive) | Jun 14, 2013 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2013 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2012 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2012 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2012 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2011 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2011 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2010 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Dec 28, 2009 | — |
| SC 13G | Ownership over 5% (passive) | Nov 10, 2009 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 6, 2009 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 6, 2009 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2008 | — |
| SC 13G | Ownership over 5% (passive) | Jan 28, 2008 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 24, 2008 | — |
| SC 13G | Ownership over 5% (passive) | Jan 18, 2008 | — |
| SC 13G | Ownership over 5% (passive) | Apr 5, 2007 | — |
| SC 13G | Ownership over 5% (passive) | Mar 30, 2007 | — |
| SC 13G | Ownership over 5% (passive) | Mar 9, 2007 | — |
| SC 13G | Ownership over 5% (passive) | Feb 27, 2007 | — |
| SC 13G | Ownership over 5% (passive) | Feb 21, 2007 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2007 | — |
| SC 13G | Ownership over 5% (passive) | Feb 8, 2007 | — |
Showing 166 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
- CSIQ (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- Ontario, Canada
- Headquarters
- Kitchener, Ontario, Canada
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1375877
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.