{"schema_version":"secwatch.filing_event.v1","accession":"0000940394-23-000243","form_type":"8-K","ticker":"ETV","cik":"0001322436","company_name":"Eaton Vance Tax-Managed Buy-Write Opportunities Fund","filed_at":"2023-02-01T23:59:59+00:00","discovered_at":"2026-05-14T18:03:44.387656+00:00","generated_at":"2026-06-20T03:34:19.441819+00:00","sec_items":["8.01","9.01"],"event_type":"litigation","sentiment":"neutral","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"ETV board exempts share purchases from control share by-law after MA court ruling","bullets":["Board voted to exempt all prior and new purchases from Control Share By-Law provisions on a going-forward basis.","Exemption follows Jan 23, 2023 MA Superior Court ruling that Control Share By-Law violates Section 18(i) of the Investment Company Act.","Court granted summary judgment for the funds on Saba Capital's fiduciary duty claim; litigation continues.","Board decided after careful review of the ruling; may take additional actions as appropriate."],"urls":{"canonical":"https://secwatch.observer/filing/0000940394-23-000243","json":"https://secwatch.observer/filing/0000940394-23-000243.json","markdown":"https://secwatch.observer/filing/0000940394-23-000243.md","text":"https://secwatch.observer/filing/0000940394-23-000243.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1322436/000094039423000243/0000940394-23-000243-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1322436/000094039423000243/etv8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-20T03:34:19.441819+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}