{"schema":"rootz.ai/sec-company/v1","layer":3,"cik":"0000809844","name":"MFS HIGH YIELD MUNICIPAL TRUST","filings":[{"form_type":"8-K","period_ending":"2007-12-21","filed_date":"2007-12-28","accession":"0001193125-07-272738","edgar_url":"https://www.sec.gov/Archives/edgar/data/809844/000119312507272738/","pem_signed":true,"extraction_status":"pending","sections_extracted":[]},{"form_type":"DEF 14A","period_ending":"2000-04-24","filed_date":"2000-03-15","accession":"0000883163-00-000020","edgar_url":"https://www.sec.gov/Archives/edgar/data/809844/000088316300000020/","pem_signed":true,"extraction_status":"pending","sections_extracted":[]},{"form_type":"DEF 14A","period_ending":"1999-04-15","filed_date":"1999-03-15","accession":"0000021847-99-000047","edgar_url":"https://www.sec.gov/Archives/edgar/data/809844/000002184799000047/","pem_signed":true,"extraction_status":"pending","sections_extracted":[]},{"form_type":"DEF 14A","period_ending":"1998-04-29","filed_date":"1998-03-20","accession":"0000809844-98-000003","edgar_url":"https://www.sec.gov/Archives/edgar/data/809844/000080984498000003/","pem_signed":true,"extraction_status":"pending","sections_extracted":[]},{"form_type":"DEF 14A","period_ending":"1997-04-30","filed_date":"1997-03-26","accession":"0000833021-97-000002","edgar_url":"https://www.sec.gov/Archives/edgar/data/809844/000083302197000002/","pem_signed":true,"extraction_status":"pending","sections_extracted":[]},{"form_type":"DEF 14A","period_ending":"1996-04-30","filed_date":"1996-03-20","accession":"0000809844-96-000004","edgar_url":"https://www.sec.gov/Archives/edgar/data/809844/000080984496000004/","pem_signed":true,"extraction_status":"pending","sections_extracted":[]},{"form_type":"DEF 14A","period_ending":"1995-04-28","filed_date":"1995-03-24","accession":"0000809844-95-000004","edgar_url":"https://www.sec.gov/Archives/edgar/data/809844/000080984495000004/","pem_signed":true,"extraction_status":"pending","sections_extracted":[]}],"edgar_company_page":"https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000809844&type=&dateb=&owner=exclude&count=100","provenance":{"source":"sec.gov/edgar","note":"All filings are PEM-signed by SEC. Accession numbers are permanent identifiers."}}