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 |
|---|---|---|---|
| NPORT-P | Filing | Sep 29, 2026 | Jul 31, 2026 |
| 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 | — |
| 424B3 | Prospectus | Sep 4, 2026 | — |
| N-PX | Filing | Aug 28, 2026 | Jun 30, 2026 |
| NPORT-P/A | Filing | Aug 27, 2026 | Apr 30, 2024 |
| 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 | — |
| N-23C-2 | Filing | Jul 24, 2026 | Jul 24, 2026 |
| N-CSRS | Filing | Jul 2, 2026 | Apr 30, 2026 |
| 40-17G | Filing | Jun 29, 2026 | — |
| NPORT-P | Filing | Jun 26, 2026 | Apr 30, 2026 |
| DEF 14A | Proxy statement | May 11, 2026 | Jun 23, 2026 |
| NPORT-P | Filing | Mar 31, 2026 | Jan 31, 2026 |
| N-CEN | Filing | Jan 13, 2026 | Oct 31, 2025 |
| N-CSR | Filing | Dec 29, 2025 | Oct 31, 2025 |
| NPORT-P | Filing | Dec 23, 2025 | Oct 31, 2025 |
| NPORT-P | Filing | Sep 29, 2025 | Jul 31, 2025 |
| 40-17G/A | Filing | Sep 16, 2025 | — |
| 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 |
| 424B3 | Prospectus | Aug 29, 2025 | — |
| N-PX | Filing | Aug 27, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Aug 11, 2025 | Aug 11, 2025 |
| 3 | Initial insider ownership | Aug 4, 2025 | Jul 29, 2025 |
| N-CSRS | Filing | Jun 27, 2025 | Apr 30, 2025 |
| NPORT-P | Filing | Jun 27, 2025 | Apr 30, 2025 |
| 40-17G | Filing | Jun 26, 2025 | — |
| DEF 14A | Proxy statement | May 12, 2025 | Jun 23, 2025 |
| CORRESP | Letter to the SEC | Apr 25, 2025 | — |
| NPORT-P | Filing | Mar 25, 2025 | Jan 31, 2025 |
| 40-17G/A | Filing | Mar 13, 2025 | — |
| 424B5 | Prospectus supplement | Feb 24, 2025 | — |
| N-2ASR | Filing | Feb 21, 2025 | — |
| N-CEN | Filing | Jan 10, 2025 | Oct 31, 2024 |
| 3 | Initial insider ownership | Dec 27, 2024 | Dec 17, 2024 |
| N-CSR | Filing | Dec 27, 2024 | Oct 31, 2024 |
| 424B3 | Prospectus | Dec 20, 2024 | — |
| NPORT-P | Filing | Dec 16, 2024 | Oct 31, 2024 |
| SC 13G | Ownership over 5% (passive) | Oct 7, 2024 | — |
| NPORT-P | Filing | Sep 30, 2024 | Jul 31, 2024 |
| 424B3 | Prospectus | Sep 19, 2024 | — |
| 4 | Insider transaction | Sep 11, 2024 | Sep 9, 2024 |
| 3 | Initial insider ownership | Sep 10, 2024 | Sep 9, 2024 |
| N-PX | Filing | Aug 30, 2024 | Jun 30, 2024 |
| SC 13G | Ownership over 5% (passive) | Aug 30, 2024 | — |
| N-23C-2 | Filing | Aug 2, 2024 | Aug 2, 2024 |
| NPORT-P | Filing | Jul 1, 2024 | Apr 30, 2024 |
| N-CSRS | Filing | Jun 27, 2024 | Apr 30, 2024 |
| 40-17G | Filing | Jun 20, 2024 | — |
| 8-K |
Current report
Bylaw or fiscal year change
|
May 14, 2024 | May 14, 2024 |
| DEF 14A | Proxy statement | May 14, 2024 | Jun 26, 2024 |
| NPORT-P | Filing | Mar 27, 2024 | Jan 31, 2024 |
| 4 | Insider transaction | Feb 16, 2024 | Feb 15, 2024 |
| N-CEN | Filing | Jan 16, 2024 | Oct 31, 2023 |
| N-CSR | Filing | Dec 29, 2023 | Oct 31, 2023 |
| NPORT-P | Filing | Dec 27, 2023 | Oct 31, 2023 |
| 5 | Annual insider ownership | Nov 14, 2023 | Oct 31, 2023 |
| NPORT-P | Filing | Sep 29, 2023 | Jul 31, 2023 |
| 3 | Initial insider ownership | Sep 28, 2023 | Sep 26, 2023 |
| N-PX | Brd8w2_0001171471_2023 | Aug 28, 2023 | Jun 30, 2023 |
| N-CSRS | Certified semi-annual shareholder report | Jun 28, 2023 | Apr 30, 2023 |
| NPORT-P | Filing | Jun 28, 2023 | Apr 28, 2023 |
| 4 | Insider transaction | Jun 1, 2023 | May 31, 2023 |
| DEF 14A | Proxy statement | May 8, 2023 | Jun 20, 2023 |
| 40-17G | Filing | May 5, 2023 | — |
| NPORT-P | Filing | Mar 31, 2023 | Jan 31, 2023 |
| 3 | Initial insider ownership | Feb 2, 2023 | Sep 30, 2022 |
| N-CEN | Filing | Jan 17, 2023 | Oct 31, 2022 |
| N-CSR | Annual shareholder report | Dec 28, 2022 | — |
| NPORT-P | Filing | Dec 22, 2022 | Oct 31, 2022 |
| 424B3 | Prospectus | Oct 3, 2022 | — |
| NPORT-P | Filing | Sep 29, 2022 | Jul 31, 2022 |
| N-PX | Brd8w2_0001171471_2022 | Aug 22, 2022 | Jun 30, 2022 |
| N-23C-2 | Filing | Aug 5, 2022 | Sep 6, 2022 |
| NPORT-P | Filing | Jun 27, 2022 | Apr 30, 2022 |
| N-CSRS | Certified semi-annual shareholder report | Jun 24, 2022 | Apr 30, 2022 |
| 40-17G | Filing | Jun 15, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Jun 10, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Jun 10, 2022 | — |
| CORRESP | Letter to the SEC | Jun 7, 2022 | — |
| 424B3 | Prospectus | Jun 2, 2022 | — |
| 4 | Insider transaction | May 26, 2022 | May 24, 2022 |
| 3 | Initial insider ownership | May 26, 2022 | Aug 24, 2021 |
| DEF 14A | Proxy statement | May 11, 2022 | Jun 28, 2022 |
| NPORT-P | Filing | Mar 25, 2022 | Jan 31, 2022 |
| 424B5 | Prospectus supplement | Mar 3, 2022 | — |
| N-2 POSASR | Pos ex | Mar 3, 2022 | — |
| N-2ASR | N-2 | Feb 24, 2022 | — |
| 424B3 | Prospectus | Jan 19, 2022 | — |
| N-CEN | Filing | Jan 13, 2022 | Oct 31, 2021 |
| 424B3 | Prospectus | Jan 3, 2022 | — |
| N-CSR | Annual shareholder report | Dec 29, 2021 | Oct 31, 2021 |
| NPORT-P | Filing | Dec 23, 2021 | Oct 31, 2021 |
| 3/A | Primary document | Dec 22, 2021 | Aug 24, 2021 |
| 424B3 | Prospectus | Dec 20, 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 |
| 424B3 | Prospectus | Sep 30, 2021 | — |
| NPORT-P | Filing | Sep 28, 2021 | Jul 31, 2021 |
| 424B3 | Prospectus | Aug 27, 2021 | — |
| N-PX | Brd8w2_0001171471_2021 | Aug 27, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Aug 26, 2021 | Aug 23, 2021 |
| 3 | Initial insider ownership | Jul 20, 2021 | Jun 30, 2021 |
| 497 | Filing | Jun 30, 2021 | — |
| NPORT-P | Filing | Jun 28, 2021 | Apr 30, 2021 |
| N-CSRS | Certified semi-annual shareholder report | Jun 25, 2021 | Apr 30, 2021 |
| 40-17G | Filing | Jun 21, 2021 | — |
| DEF 14A | Proxy statement | May 12, 2021 | Jun 29, 2021 |
| NPORT-P | Filing | Mar 31, 2021 | Jan 31, 2021 |
| 424B5 | Prospectus supplement | Mar 5, 2021 | — |
| 486BPOS | Filing | Feb 19, 2021 | — |
| N-CEN | Filing | Jan 12, 2021 | Oct 31, 2020 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jan 12, 2021 | Jan 12, 2021 |
| N-CSR | Annual shareholder report | Dec 30, 2020 | Oct 31, 2020 |
| 4 | Insider transaction | Dec 18, 2020 | Dec 18, 2020 |
| NPORT-P | Filing | Dec 18, 2020 | Oct 31, 2020 |
| 497 | Filing | Dec 17, 2020 | — |
| NPORT-P | Filing | Sep 29, 2020 | Jul 31, 2020 |
| N-PX | Brd8w2_0001171471_2020 | Aug 27, 2020 | Jun 30, 2020 |
| N-CSRS | Semi-annual shareholder report | Jul 1, 2020 | Apr 30, 2020 |
| NPORT-P | Filing | Jun 26, 2020 | Apr 30, 2020 |
| 40-17G | Filing | Jun 26, 2020 | — |
| DEF 14A | Proxy statement | May 14, 2020 | Jun 29, 2020 |
| 3 | Initial insider ownership | Apr 3, 2020 | Mar 26, 2020 |
| NPORT-P | Filing | Mar 31, 2020 | Jan 31, 2020 |
| 497 | Calamos convertible opportunities & income fund | Mar 4, 2020 | — |
| 486BPOS | Calamos convertible opportunities & income fund | Feb 21, 2020 | — |
| 4 | Insider transaction | Feb 10, 2020 | Feb 7, 2020 |
| N-CEN | Filing | Jan 13, 2020 | Oct 31, 2019 |
| N-CSR | Annual shareholder report | Dec 27, 2019 | Oct 31, 2019 |
| NPORT-P | Filing | Dec 27, 2019 | Oct 31, 2019 |
| 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 |
| 497 | Calamos convertible opportunities & income fund | Dec 20, 2019 | — |
| NPORT-EX | Calamos convertible opportunities & income fund | Sep 30, 2019 | Jul 31, 2019 |
| N-PX | Brd8w2_0001171471_2019 | Aug 28, 2019 | Jun 30, 2019 |
| 3 | Initial insider ownership | Aug 22, 2019 | Aug 15, 2019 |
| 497 | Calamos convertible opportunities & income fund | Aug 15, 2019 | — |
| N-CSRS | Semi-annual shareholder report | Jun 25, 2019 | Apr 30, 2019 |
| DEF 14A | Proxy statement | May 24, 2019 | Jul 9, 2019 |
| 40-17G | Filing | May 3, 2019 | — |
| N-CEN/A | Filing | Apr 5, 2019 | Oct 31, 2018 |
| POS EX | Calamos convertible opportunities and income fund | Mar 13, 2019 | — |
| 497 | Calamos convertible opportunities & income fund | Mar 8, 2019 | — |
| N-Q | Quarterly schedule of portfolio holdings | Mar 7, 2019 | Jan 31, 2019 |
| EFFECT | Filing | Mar 1, 2019 | — |
| N-2/A | Calamos convertible opportunities and income fund | Mar 1, 2019 | — |
| CORRESP | Letter to the SEC | Feb 28, 2019 | — |
| CORRESP | Letter to the SEC | Feb 28, 2019 | — |
| CORRESP | Letter to the SEC | Feb 22, 2019 | — |
| N-2/A | Calamos convertible opportunities and income fund | Feb 22, 2019 | — |
| CORRESP | Letter to the SEC | Feb 22, 2019 | — |
| N-CEN | Filing | Jan 14, 2019 | Oct 31, 2018 |
| N-2 | Calamos convertible opportunities and income fund | Dec 27, 2018 | — |
| N-CSR | Certified annual shareholder report | Dec 24, 2018 | Oct 31, 2018 |
| N-Q | Quarterly schedule of portfolio holdings | Sep 7, 2018 | Jul 31, 2018 |
| 40-17G/A | Filing | Sep 6, 2018 | — |
| N-PX | Brd8w2_0001171471_2018 | Aug 28, 2018 | Jun 30, 2018 |
| 3 | Initial insider ownership | Jul 26, 2018 | Jul 19, 2018 |
| N-CSRS | Semi-annual shareholder report | Jun 21, 2018 | Apr 30, 2018 |
| DEF 14A | Proxy statement | May 14, 2018 | Jun 28, 2018 |
| 40-17G | Filing | May 11, 2018 | — |
| N-Q | Quarterly schedule of portfolio holdings | Mar 8, 2018 | Jan 31, 2018 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 30, 2018 | — |
| N-CSR/A | Amendment to form n-csr | Jan 8, 2018 | Oct 31, 2017 |
| 40-17G/A | Filing | Jan 3, 2018 | — |
| N-CSR | Certified annual shareholder report | Dec 28, 2017 | Oct 31, 2017 |
| NSAR-B | Answer file | Dec 28, 2017 | Oct 31, 2017 |
| 497 | Filing | Oct 2, 2017 | — |
| SC 13D | Ownership over 5% (active) | Sep 15, 2017 | — |
| 3 | Initial insider ownership | Sep 15, 2017 | Sep 6, 2017 |
| N-Q | Quarterly schedule of portfolio holdings | Sep 1, 2017 | Jul 31, 2017 |
| N-PX | Brd8w2_0001171471.txt | Aug 28, 2017 | Jun 30, 2017 |
| NSAR-A | Answer file | Jun 26, 2017 | Apr 30, 2017 |
| N-CSRS | Certified semi-annual shareholder report | Jun 23, 2017 | Apr 30, 2017 |
| 40-17G | Filing | May 31, 2017 | — |
| DEF 14A | Proxy statement | May 4, 2017 | Jun 20, 2017 |
| 497 | Filing | Mar 29, 2017 | — |
| 497 | Filing | Mar 13, 2017 | — |
| N-Q | Quarterly schedule of portfolio holdings | Mar 3, 2017 | Jan 31, 2017 |
| 497 | Filing | Mar 3, 2017 | — |
| 486BPOS | Filing | Feb 28, 2017 | — |
| 4 | Insider transaction | Jan 25, 2017 | Jan 23, 2017 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 23, 2017 | — |
| NSAR-B | Answer file | Dec 29, 2016 | Oct 31, 2016 |
| N-CSR | Certified annual shareholder report | Dec 21, 2016 | Oct 31, 2016 |
| 497 | Filing | Dec 9, 2016 | — |
| 497 | Filing | Dec 7, 2016 | — |
| 4 | Insider transaction | Nov 22, 2016 | Nov 21, 2016 |
| CORRESP | Letter to the SEC | Oct 27, 2016 | — |
| NSAR-B/A | Answer file | Oct 14, 2016 | Oct 31, 2015 |
| N-Q | Filing | Sep 15, 2016 | Jul 31, 2016 |
| N-PX | Brd8w2_0001171471_2016.txt | Aug 30, 2016 | Jun 30, 2016 |
| 3 | Initial insider ownership | Jul 11, 2016 | Jul 1, 2016 |
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
- 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.