Company facts
- Headquarters
- Naperville, Illinois
- Most recent report
- 8-K, filed May 14, 2024
- Filings on record
- 494 filings
- On EDGAR
- CIK 1171471
- Fiscal year ends
- October
News 3
Prospectuses and Registrations 8 of 15
- 424B3 Prospectus supplement for an offering Sep 4, 2026
- 424B3 Prospectus supplement for an offering Aug 29, 2025
- 424B5 Prospectus supplement for an offering Feb 24, 2025
- 424B3 Prospectus supplement for an offering Dec 20, 2024
- 424B3 Prospectus supplement for an offering Sep 19, 2024
- 424B3 Prospectus supplement for an offering Oct 3, 2022
- 424B3 Prospectus supplement for an offering Jun 2, 2022
- 424B5 Prospectus supplement for an offering Mar 3, 2022
Proxies 8 of 24
- DEF 14A Proxy statement for a shareholder vote May 11, 2026
- DEF 14A Proxy statement for a shareholder vote May 12, 2025
- DEF 14A Proxy statement for a shareholder vote May 14, 2024
- DEF 14A Proxy statement for a shareholder vote May 8, 2023
- DEF 14A Proxy statement for a shareholder vote May 11, 2022
- DEF 14A Proxy statement for a shareholder vote May 12, 2021
- DEF 14A Proxy statement for a shareholder vote May 14, 2020
- DEF 14A Proxy statement for a shareholder vote May 24, 2019
Ownership 8 of 120
- SCHEDULE 13G Large holder reported a passive stake Sep 8, 2026
- SCHEDULE 13G Large holder reported a passive stake Sep 8, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended Sep 8, 2026
- 4 Insider reported a trade Aug 26, 2026
- 4 Insider reported a trade Aug 26, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended Aug 25, 2026
- 3/A Insider reported their initial holding, amended Sep 9, 2025
- 3 Insider reported their initial holding Sep 9, 2025
Other 8 of 332
Everything here comes from Calamos Convertible Opportunities & Income Fund's own filings on SEC EDGAR. The filing list is rechecked every hour.