Listed

Calamos Convertible Opportunities & Income Fund

CHINasdaqCIK 1171471OtherFiscal year ends Oct 31

Reports and events: 22 filings

Newest first, by EDGAR acceptance time (Eastern). Each filing’s page lists its documents on sec.gov and, for 10-K and 10-Q reports, the extracted sections.

What the forms are: 10-K, 10-Q, 8-K, Form 4, DEF 14A, Schedule 13D, Schedule 13G, amendments, accession numbers.

Calamos Convertible Opportunities & Income Fund, Reports and events
FiledFormWhat it isAccession number
2026-05-1115:48 ETDEF 14AProxy statementPeriod 2026-06-230001104659-26-058601
2025-05-1213:07 ETDEF 14AProxy statementPeriod 2025-06-230001104659-25-047185
2024-05-1408:21 ET8-K5.03 Amendment to articles or bylaws; 9.01 Financial statements and exhibits0001104659-24-060902
2024-05-1421:53 ETDEF 14AProxy statementPeriod 2024-06-260001104659-24-060777
2023-05-0816:22 ETDEF 14AProxy statementPeriod 2023-06-200001104659-23-057171
2022-05-1115:09 ETDEF 14AProxy statementPeriod 2022-06-280001104659-22-058740
2021-08-2616:17 ET8-K5.03 Amendment to articles or bylaws; 9.01 Financial statements and exhibits0001104659-21-109808
2021-05-1217:26 ETDEF 14AProxy statementPeriod 2021-06-290001104659-21-065239
2021-01-1216:34 ET8-K5.03 Amendment to articles or bylaws; 9.01 Financial statements and exhibits0001104659-21-003468
2020-05-1415:16 ETDEF 14AProxy statementPeriod 2020-06-290001193125-20-142711
2019-05-2417:20 ETDEF 14AProxy statementPeriod 2019-07-090001193125-19-157196
2018-05-1417:32 ETDEF 14AProxy statementPeriod 2018-06-280001193125-18-161084
2017-09-1516:01 ETSC 13DOwnership report, active investor0000009015-17-000014
2017-05-0416:40 ETDEF 14AProxy statementPeriod 2017-06-200001193125-17-158833
2016-05-1017:00 ETDEF 14AProxy statementPeriod 2016-06-300001193125-16-585739
2015-06-0412:24 ETDEF 14AProxy statementPeriod 2015-07-160001193125-15-212889
2014-05-2309:27 ETDEF 14AProxy statementPeriod 2014-06-250001193125-14-210832
2013-05-2215:30 ETDEF 14AProxy statementPeriod 2013-06-210001193125-13-231339
2012-05-2212:51 ETDEF 14AProxy statementPeriod 2012-06-270001193125-12-243051
2011-05-2516:13 ETDEF 14AProxy statementPeriod 2011-06-300000950123-11-053905
2010-05-1017:28 ETDEF 14AProxy statementPeriod 2010-06-090000950123-10-047363
2009-05-1818:10 ETDEF 14AProxy statementPeriod 2009-06-170000950152-09-005314

Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:06 ET. Listed shows no prices and gives no investment advice.