{"filings":[{"id":220527,"accession_number":"0001104659-24-060902","cik":1171471,"company_name":"CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND","ticker":"CHI","form_type":"8-K","filed_at":"2024-05-14T23:59:59+00:00","items":["5.03","9.01"],"status":"ready","headline":"Calamos Convertible Opportunities and Income Fund adopts forum selection bylaw amendment","summary_kind":"llm","event_type":"other","confidence":"medium","bullets":["Board of Trustees amended By-Laws effective May 14, 2024.","Amendment relates to provisions governing forum for adjudication of disputes.","Full amendment text incorporated by reference to Exhibit 3.2."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"market_cap_usd":943460000.0,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":422306,"accession_number":"0001104659-21-109808","cik":1171471,"company_name":"CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND","ticker":"CHI","form_type":"8-K","filed_at":"2021-08-26T23:59:59+00:00","items":["5.03","9.01"],"status":"ready","headline":"Calamos Convertible Opportunities and Income Fund amends governing documents to clarify preferred securities provisions","summary_kind":"llm","event_type":"other_material","confidence":"low","bullets":["Board of Trustees amended Declaration of Trust and Bylaws, effective August 23, 2021.","Amendments clarify provisions relating to preferred securities.","No changes to fiscal year or other significant governance matters."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"market_cap_usd":943460000.0,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null}],"next_cursor":null}