{"cik":"0000830487","ticker":"MHF","name":"WESTERN ASSET MUNICIPAL HIGH INCOME FUND INC.","sic_code":"","sic_description":"","exchange":"NYSE","state_of_incorporation":"MD","fiscal_year_end":"1031","first_filing_date":"2026-06-22","last_filing_date":"2026-09-11","url":"/sec/cik-0000830487","insider_summary":{"total_transactions":0,"unique_insiders":0,"latest_transaction":null},"recent_filings":[{"accession_number":"0000940400-26-024971","form_type":"NPORT-P","form_type_family":"other","doc_date":"2026-06-22","title":"NPORT-P — WESTERN ASSET MUNICIPAL HIGH INCOME FUND INC. — 2026-06-22","url_slug":"/sec/cik-0000830487/nport-p/0000940400-26-024971","edgar_url":"https://www.sec.gov/Archives/edgar/data/830487/0000940400-26-024971-index.html"}],"related_endpoints":{"profile":"/sec/MHF/profile","timeline":"/sec/MHF/timeline","peers":"/sec/MHF/peers","insider_pulse":"/sec/MHF/insider-pulse","insider_summary":"/sec/MHF/insider-summary","insider_transactions":"/sec/MHF/insider-transactions","form144":"/sec/MHF/form144","holdings_as_filer":"/sec/MHF/holdings","financial_facts":"/sec/MHF/financial-facts","derivatives":"/sec/MHF/derivatives","officers":"/sec/MHF/officers","insider_network":"/sec/MHF/insider-network","risk_flags":"/sec/MHF/risk-flags","filings":"/sec/MHF/filings","cross_topic_dossier":"/api/v1/dossier?ticker=MHF"}}