{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-24-060907","form_type":"8-K","ticker":"CHY","cik":"0001222719","company_name":"CALAMOS CONVERTIBLE & HIGH INCOME FUND","filed_at":"2024-05-14T23:59:59+00:00","discovered_at":"2026-05-14T18:03:17.597908+00:00","generated_at":"2026-06-02T00:20:53.060088+00:00","sec_items":["5.03","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.0,"calibrated_materiality_score":0.0,"confidence":"high","headline":"CHY amends bylaws to designate exclusive forum for dispute adjudication","bullets":["Effective May 14, 2024, Board amended By-Laws to add forum-selection provisions.","Amendment governs exclusive venue for shareholder derivative suits and other disputes.","Full text of the Amendment is filed as Exhibit 3.2 to this 8-K.","No other changes made to the By-Laws."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-24-060907","json":"https://secwatch.observer/filing/0001104659-24-060907.json","markdown":"https://secwatch.observer/filing/0001104659-24-060907.md","text":"https://secwatch.observer/filing/0001104659-24-060907.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1222719/000110465924060907/0001104659-24-060907-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1222719/000110465924060907/tm2413798d3_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-02T00:20:53.060088+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"d256c21d5b611ac0760c4f0b99ec86cf7a290759","claim":"CALAMOS CONVERTIBLE & HIGH INCOME FUND: Amended By-Laws to revise forum for adjudication of disputes provision (effective 2024-05-14).","evidence_excerpt":"Effective May 14, 2024, the Board of Trustees of Calamos Convertible and High Income Fund (the \"Trust\") amended the Trust’s By-Laws, as amended and restated through August 23, 2021 (the “By-Laws”). The aforementioned amendment (the “Amendment”) relates to provisions governing the forum for adjudication of disputes.","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1222719/000110465924060907/0001104659-24-060907-index.htm","confidence":0.7,"family_label":"Governance Changes","details":[{"label":"Change","value":"bylaw amendment"},{"label":"Effective","value":"2024-05-14"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}