{"schema_version":"secwatch.filing_event.v1","accession":"0000940394-24-000990","form_type":"8-K","ticker":"ETV","cik":"0001322436","company_name":"Eaton Vance Tax-Managed Buy-Write Opportunities Fund","filed_at":"2024-10-10T23:59:59+00:00","discovered_at":"2026-05-14T18:03:08.088495+00:00","generated_at":"2026-05-30T16:24:56.462689+00:00","sec_items":["5.03","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Eaton Vance Buy-Write Fund removes control share provisions from bylaws","bullets":["Board adopted Amendment No. 1 to the By-Laws on Oct 10, 2024, formally eliminating the Control Share Provisions.","The elimination follows a prior exemption granted on Jan 26, 2023, covering all acquisitions on a going-forward basis.","Amendment makes related conforming changes; text filed as Exhibit 5.03."],"urls":{"canonical":"https://secwatch.observer/filing/0000940394-24-000990","json":"https://secwatch.observer/filing/0000940394-24-000990.json","markdown":"https://secwatch.observer/filing/0000940394-24-000990.md","text":"https://secwatch.observer/filing/0000940394-24-000990.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1322436/000094039424000990/0000940394-24-000990-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1322436/000094039424000990/etv8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-30T16:24:56.462689+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":"ddb420d9fa7a90b33b972c75dd55444987e11209","claim":"Eaton Vance Tax-Managed Buy-Write Opportunities Fund: Eliminated Control Share Provisions and made related conforming changes via Amendment No. 1 to the By-Laws (effective 2024-10-10).","evidence_excerpt":"On October 10, 2024, the Board adopted Amendment No. 1 to the By-Laws to formally eliminate the Control Share Provisions and to make certain related conforming changes.","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1322436/000094039424000990/0000940394-24-000990-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"bylaw amendment"},{"label":"Effective","value":"2024-10-10"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}