secwatch.observer — SEC 8-K summary ====================================== Issuer: CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND (CHI) CIK: 0001171471 Form: 8-K Filed at: 2021-08-26T23:59:59+00:00 Accession: 0001104659-21-109808 Event type: other_material Sentiment: neutral Materiality: 0.10 Item codes: 5.03, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Calamos Convertible Opportunities and Income Fund amends governing documents to clarify preferred securities provisions -------------------------------------------------------------------------------- - 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. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1171471/000110465921109808/0001104659-21-109808-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1171471/000110465921109808/tm2122382d2_8k.htm HTML page: https://secwatch.observer/filing/0001104659-21-109808 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer