{"schema_version":"secwatch.filing_event.v1","accession":"0000940394-24-000983","form_type":"8-K","ticker":"EOT","cik":"0001454741","company_name":"Eaton Vance National Municipal Opportunities Trust","filed_at":"2024-10-10T23:59:59+00:00","discovered_at":"2026-05-14T18:03:08.482833+00:00","generated_at":"2026-05-30T16:32:14.365661+00:00","sec_items":["5.03","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"confidence":"high","headline":"Eaton Vance Municipal Trust eliminates Control Share Provisions from bylaws","bullets":["Board adopted Amendment No. 1 to By-Laws on Oct 10, 2024, removing Control Share Provisions.","Amendment formalizes prior January 2023 Board vote that exempted control share acquisitions.","Related conforming changes made; effective immediately."],"urls":{"canonical":"https://secwatch.observer/filing/0000940394-24-000983","json":"https://secwatch.observer/filing/0000940394-24-000983.json","markdown":"https://secwatch.observer/filing/0000940394-24-000983.md","text":"https://secwatch.observer/filing/0000940394-24-000983.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1454741/000094039424000983/0000940394-24-000983-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1454741/000094039424000983/eot8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-30T16:32:14.365661+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":"e3165dee12de74b0247d5ef8b96f431ec172d487","claim":"Eaton Vance National Municipal Opportunities Trust: Eliminated the Control Share Provisions and made conforming changes 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/1454741/000094039424000983/0000940394-24-000983-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"}