{"schema_version":"secwatch.filing_event.v1","accession":"0001076598-25-000329","form_type":"8-K","ticker":"EIM","cik":"0001176984","company_name":"Eaton Vance Municipal Bond Fund","filed_at":"2025-08-14T23:59:59+00:00","discovered_at":"2026-05-14T18:02:43.494340+00:00","generated_at":"2026-05-17T12:50:35.076951+00:00","sec_items":["8.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Eaton Vance Municipal Bond Fund chair Mark R. Fetting dies; acting chair appointed","bullets":["Chairperson Mark R. Fetting passed away unexpectedly on August 9, 2025.","Susan J. Sutherland appointed as acting Chairperson of the Board.","Board size reduced from 10 to 9 members effective August 12, 2025."],"urls":{"canonical":"https://secwatch.observer/filing/0001076598-25-000329","json":"https://secwatch.observer/filing/0001076598-25-000329.json","markdown":"https://secwatch.observer/filing/0001076598-25-000329.md","text":"https://secwatch.observer/filing/0001076598-25-000329.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1176984/000107659825000329/0001076598-25-000329-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1176984/000107659825000329/eim8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T12:50:35.076951+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"}