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Calamos Convertible Opportunities and Income Fund SEC Filings

NASDAQ: CHIFinanceInvestment ManagersUSD

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Calamos Convertible Opportunities and Income Fund filing overview

This page lists 60 recent SEC filings by Calamos Convertible Opportunities and Income Fund (CHI), including 14 4, 11 DEF 14A, 11 SC 13G/A, 8 424B3. The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on May 14, 2024. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.

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CHI SEC filings

Calamos Convertible Opportunities and Income Fund SEC filings
FiledFormDescriptionDocument
Sep 8, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Sep 8, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Sep 8, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Sep 4, 2026424B3ProspectusView on EDGAR
Aug 26, 20264Statement of changes in beneficial ownershipView on EDGAR
Aug 26, 20264Statement of changes in beneficial ownershipView on EDGAR
Aug 25, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Aug 29, 2025424B3ProspectusView on EDGAR
Aug 11, 20254Statement of changes in beneficial ownershipView on EDGAR
Feb 24, 2025424B5ProspectusView on EDGAR
Dec 20, 2024424B3ProspectusView on EDGAR
Oct 7, 2024SC 13GBeneficial ownership report (passive)View on EDGAR
Sep 19, 2024424B3ProspectusView on EDGAR
Sep 11, 20244Statement of changes in beneficial ownershipView on EDGAR
Aug 30, 2024SC 13GBeneficial ownership report (passive)View on EDGAR
May 14, 20248-KAmendments to Articles of Incorporation or Bylaws; Change in Fiscal YearView on EDGAR
Feb 16, 20244Statement of changes in beneficial ownershipView on EDGAR
Jun 1, 20234Statement of changes in beneficial ownershipView on EDGAR
Oct 3, 2022424B3ProspectusView on EDGAR
Jun 10, 2022SC 13GBeneficial ownership report (passive)View on EDGAR
Jun 10, 2022SC 13GBeneficial ownership report (passive)View on EDGAR
Jun 2, 2022424B3ProspectusView on EDGAR
May 26, 20224Statement of changes in beneficial ownershipView on EDGAR
Mar 3, 2022424B5ProspectusView on EDGAR
Jan 19, 2022424B3ProspectusView on EDGAR
Jan 3, 2022424B3ProspectusView on EDGAR
Oct 15, 2021SC 13GBeneficial ownership report (passive)View on EDGAR
Aug 26, 20218-KAmendments to Articles of Incorporation or Bylaws; Change in Fiscal YearView on EDGAR
Jan 12, 20218-KAmendments to Articles of Incorporation or Bylaws; Change in Fiscal YearView on EDGAR
Dec 18, 20204Statement of changes in beneficial ownershipView on EDGAR
May 14, 2020DEF 14ADefinitive proxy statementView on EDGAR
Feb 10, 20204Statement of changes in beneficial ownershipView on EDGAR
Dec 20, 20194Statement of changes in beneficial ownershipView on EDGAR
May 24, 2019DEF 14ADefinitive proxy statementView on EDGAR
May 14, 2018DEF 14ADefinitive proxy statementView on EDGAR
Jan 30, 2018SC 13G/AAMENDED SCHEDULE 13GView on EDGAR
Sep 15, 2017SC 13DJOINT FILINGView on EDGAR
May 4, 2017DEF 14ADefinitive proxy statementView on EDGAR
Jan 25, 20174Statement of changes in beneficial ownershipView on EDGAR
Jan 23, 2017SC 13G/AAMENDED SCHEDULE 13GView on EDGAR
Nov 22, 20164Statement of changes in beneficial ownershipView on EDGAR
May 10, 2016DEF 14ADefinitive proxy statementView on EDGAR
Mar 2, 20164Statement of changes in beneficial ownershipView on EDGAR
Jan 20, 2016SC 13G/AAMENDED SCHEDULE 13GView on EDGAR
Jun 4, 2015DEF 14ADefinitive proxy statementView on EDGAR
Feb 3, 2015SC 13G/AAMENDED SCHEDULE 13GView on EDGAR
May 23, 2014DEF 14ADefinitive proxy statementView on EDGAR
Jan 29, 2014SC 13G/AAMENDED SCHEDULE 13GView on EDGAR
Aug 9, 2013SC 13G/AAMENDED SCHEDULE 13GView on EDGAR
May 22, 2013DEF 14ADefinitive proxy statementView on EDGAR
Jan 24, 2013SC 13G/AAMENDED SCHEDULE 13GView on EDGAR
May 22, 2012DEF 14ADefinitive proxy statementView on EDGAR
Mar 20, 20124Statement of changes in beneficial ownershipView on EDGAR
Feb 6, 2012SC 13G/AAMENDED SCHEDULE 13GView on EDGAR
May 25, 2011DEF 14ADefinitive proxy statementView on EDGAR
Feb 10, 2011SC 13G/AAMENDED SCHEDULE 13GView on EDGAR
Jan 6, 2011SC 13GSCHEDULE 13GView on EDGAR
May 10, 2010DEF 14ASCHEDULE DEF 14AView on EDGAR
Feb 12, 2010SC 13G/AST-EXIT-MS&COView on EDGAR
Feb 5, 2010SC 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR

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