Calamos Convertible Opportunities & Income Fund SEC filings CHI
Calamos Convertible Opportunities & Income Fund has 495 filings in SEC EDGAR's recent list, going back to Apr 19, 2002. The most recent current report (Form 8-K) was filed on May 14, 2024 (bylaw or fiscal year change). The company's fiscal year ends on October 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G | Ownership over 5% (passive) | Sep 8, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Sep 8, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Sep 8, 2026 | — |
| 4 | Insider transaction | Aug 26, 2026 | Aug 24, 2026 |
| 4 | Insider transaction | Aug 26, 2026 | Aug 24, 2021 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 25, 2026 | — |
| 3/A | Primary document | Sep 9, 2025 | Sep 1, 2025 |
| 3 | Initial insider ownership | Sep 9, 2025 | Sep 1, 2025 |
| 3 | Initial insider ownership | Sep 9, 2025 | Sep 1, 2025 |
| 4 | Insider transaction | Aug 11, 2025 | Aug 11, 2025 |
| 3 | Initial insider ownership | Aug 4, 2025 | Jul 29, 2025 |
| 3 | Initial insider ownership | Dec 27, 2024 | Dec 17, 2024 |
| SC 13G | Ownership over 5% (passive) | Oct 7, 2024 | — |
| 4 | Insider transaction | Sep 11, 2024 | Sep 9, 2024 |
| 3 | Initial insider ownership | Sep 10, 2024 | Sep 9, 2024 |
| SC 13G | Ownership over 5% (passive) | Aug 30, 2024 | — |
| 4 | Insider transaction | Feb 16, 2024 | Feb 15, 2024 |
| 5 | Annual insider ownership | Nov 14, 2023 | Oct 31, 2023 |
| 3 | Initial insider ownership | Sep 28, 2023 | Sep 26, 2023 |
| 4 | Insider transaction | Jun 1, 2023 | May 31, 2023 |
| 3 | Initial insider ownership | Feb 2, 2023 | Sep 30, 2022 |
| SC 13G | Ownership over 5% (passive) | Jun 10, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Jun 10, 2022 | — |
| 4 | Insider transaction | May 26, 2022 | May 24, 2022 |
| 3 | Initial insider ownership | May 26, 2022 | Aug 24, 2021 |
| 3/A | Primary document | Dec 22, 2021 | Aug 24, 2021 |
| 3 | Initial insider ownership | Oct 15, 2021 | Aug 24, 2021 |
| SC 13G | Ownership over 5% (passive) | Oct 15, 2021 | — |
| 3 | Initial insider ownership | Oct 14, 2021 | Aug 24, 2021 |
| 3 | Initial insider ownership | Jul 20, 2021 | Jun 30, 2021 |
| 4 | Insider transaction | Dec 18, 2020 | Dec 18, 2020 |
| 3 | Initial insider ownership | Apr 3, 2020 | Mar 26, 2020 |
| 4 | Insider transaction | Feb 10, 2020 | Feb 7, 2020 |
| 3 | Initial insider ownership | Dec 20, 2019 | Dec 16, 2019 |
| 3 | Initial insider ownership | Dec 20, 2019 | Dec 16, 2019 |
| 4 | Insider transaction | Dec 20, 2019 | Dec 19, 2019 |
| 3 | Initial insider ownership | Aug 22, 2019 | Aug 15, 2019 |
| 3 | Initial insider ownership | Jul 26, 2018 | Jul 19, 2018 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 30, 2018 | — |
| SC 13D | Ownership over 5% (active) | Sep 15, 2017 | — |
| 3 | Initial insider ownership | Sep 15, 2017 | Sep 6, 2017 |
| 4 | Insider transaction | Jan 25, 2017 | Jan 23, 2017 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 23, 2017 | — |
| 4 | Insider transaction | Nov 22, 2016 | Nov 21, 2016 |
| 3 | Initial insider ownership | Jul 11, 2016 | Jul 1, 2016 |
| 3 | Initial insider ownership | Jul 11, 2016 | Jul 1, 2016 |
| 4 | Insider transaction | Mar 2, 2016 | Mar 1, 2016 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 20, 2016 | — |
| 3 | Initial insider ownership | Sep 1, 2015 | Sep 1, 2015 |
| 3 | Initial insider ownership | Sep 1, 2015 | Sep 1, 2015 |
| 3 | Initial insider ownership | Aug 6, 2015 | Aug 6, 2015 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 3, 2015 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 29, 2014 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Aug 9, 2013 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 24, 2013 | — |
| 5 | Annual insider ownership | Dec 14, 2012 | Oct 31, 2012 |
| 5 | Annual insider ownership | Dec 14, 2012 | Oct 31, 2012 |
| 5 | Annual insider ownership | Dec 14, 2012 | Oct 31, 2012 |
| 5 | Annual insider ownership | Dec 14, 2012 | Oct 31, 2012 |
| 3 | Initial insider ownership | Sep 20, 2012 | Sep 20, 2012 |
| 4 | Insider transaction | Mar 20, 2012 | Mar 20, 2012 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 6, 2012 | — |
| 5 | Annual insider ownership | Dec 15, 2011 | Oct 31, 2011 |
| 5 | Annual insider ownership | Dec 15, 2011 | Oct 31, 2011 |
| 5 | Annual insider ownership | Dec 15, 2011 | Oct 31, 2011 |
| 5 | Annual insider ownership | Dec 13, 2011 | Oct 31, 2011 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2011 | — |
| SC 13G | Ownership over 5% (passive) | Jan 6, 2011 | — |
| 5 | Annual insider ownership | Dec 15, 2010 | Oct 31, 2010 |
| 5 | Annual insider ownership | Dec 15, 2010 | Oct 31, 2010 |
| 5 | Annual insider ownership | Dec 15, 2010 | Oct 31, 2010 |
| 5 | Annual insider ownership | Dec 15, 2010 | Oct 31, 2010 |
| 3 | Initial insider ownership | Jun 11, 2010 | Jun 9, 2010 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2010 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 5, 2010 | — |
| 5 | Annual insider ownership | Dec 15, 2009 | Oct 31, 2009 |
| 5 | Annual insider ownership | Dec 15, 2009 | Oct 31, 2009 |
| 5 | Annual insider ownership | Dec 14, 2009 | Oct 31, 2009 |
| 5 | Annual insider ownership | Dec 14, 2009 | Oct 31, 2009 |
| 4 | Insider transaction | Oct 9, 2009 | Oct 2, 2009 |
| 4/A | Primary document | Jul 10, 2009 | Jul 9, 2009 |
| 4 | Insider transaction | Jul 10, 2009 | Jul 9, 2009 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2009 | — |
| SC 13G | Ownership over 5% (passive) | Feb 10, 2009 | — |
| 3 | Initial insider ownership | Jan 12, 2009 | Dec 31, 2008 |
| SC 13G | Ownership over 5% (passive) | Jan 12, 2009 | — |
| SC 13G | Ownership over 5% (passive) | Jan 12, 2009 | — |
| 3 | Initial insider ownership | Jan 12, 2009 | Dec 31, 2008 |
| 5 | Annual insider ownership | Dec 12, 2008 | Oct 31, 2008 |
| 5 | Annual insider ownership | Dec 12, 2008 | Oct 31, 2008 |
| 5 | Annual insider ownership | Dec 12, 2008 | Oct 31, 2008 |
| 5 | Annual insider ownership | Dec 12, 2008 | Oct 31, 2008 |
| 4 | Insider transaction | Nov 12, 2008 | Nov 10, 2008 |
| 3 | Initial insider ownership | Jun 10, 2008 | Jun 4, 2008 |
| 3 | Initial insider ownership | Dec 26, 2007 | Dec 20, 2007 |
| 3 | Initial insider ownership | Dec 26, 2007 | Dec 20, 2007 |
| 5 | Annual insider ownership | Dec 12, 2007 | Oct 31, 2007 |
| 5 | Annual insider ownership | Dec 12, 2007 | Oct 31, 2007 |
| 5 | Annual insider ownership | Dec 12, 2007 | Oct 31, 2007 |
| 5 | Annual insider ownership | Dec 12, 2007 | Oct 31, 2007 |
| 4 | Insider transaction | Jul 25, 2007 | Jul 24, 2007 |
| 5 | Annual insider ownership | Dec 15, 2006 | Oct 31, 2006 |
| 5 | Annual insider ownership | Dec 15, 2006 | Oct 31, 2006 |
| 5 | Annual insider ownership | Dec 15, 2006 | Oct 31, 2006 |
| 5 | Annual insider ownership | Dec 15, 2006 | Oct 31, 2006 |
| 4 | Insider transaction | Apr 6, 2006 | Apr 6, 2006 |
| 4 | Insider transaction | Jan 19, 2006 | Jan 18, 2006 |
| 3 | Initial insider ownership | Jan 13, 2006 | Jan 1, 2006 |
| 3 | Initial insider ownership | Nov 14, 2005 | Mar 12, 2004 |
| 3 | Initial insider ownership | Nov 14, 2005 | Apr 6, 2005 |
| 3 | Initial insider ownership | Nov 14, 2005 | Jun 30, 2005 |
| 3 | Initial insider ownership | Jul 6, 2005 | Jun 30, 2005 |
| 4 | Insider transaction | Dec 27, 2004 | Dec 23, 2004 |
| 4 | Insider transaction | Dec 16, 2004 | Dec 15, 2004 |
| 3 | Initial insider ownership | Jun 30, 2004 | Jun 25, 2004 |
| 3 | Initial insider ownership | May 21, 2004 | Mar 15, 2004 |
| 4 | Insider transaction | May 11, 2004 | May 10, 2004 |
| 4/A | Main document description | Dec 30, 2003 | Dec 19, 2003 |
| 4 | Insider transaction | Dec 29, 2003 | Dec 24, 2003 |
| 3 | Initial insider ownership | Jul 7, 2003 | Jun 23, 2003 |
Showing 120 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Listed as
- CHI (Nasdaq)
- Fiscal year ends
- October 31
- Headquarters
- Naperville, IL
- SEC CIK
- 1171471
Source: SEC EDGAR filings. This is company-reported data, not investment advice.