EdgarLookup

MFS HIGH YIELD MUNICIPAL TRUST — 4/A Filings

3 4/A filings on record

This page lists all 4/A filings submitted to the SEC by MFS HIGH YIELD MUNICIPAL TRUST (CMU), sorted by most recent first. Each row links to the full filing on EdgarLookup. MFS HIGH YIELD MUNICIPAL TRUST has filed 3 4/A documents with the SEC since 1994. To view all SEC filings by MFS HIGH YIELD MUNICIPAL TRUST, see the full filings list.

Overview All Filings Financials Insiders
All 3 3/A 4 4/A 40-17G 424B3 497 8-K DEF 14A DEFA14A DEFR14A N-2 N-2/A N-23C-2 N-30D N-CEN N-CSR N-CSRS N-PX N-Q NPORT-EX NPORT-P NSAR-A NSAR-A/A NSAR-B NSAR-B/A POS AMI PRE 14A SC 13D SC 13D/A SC 13G SC 13G/A SC TO-C SC TO-I SC TO-I/A SCHEDULE 13D/A SCHEDULE 13G SCHEDULE 13G/A
Form Description Accession Number Filed Period
4/A — 0001398344-26-001140 Jan 23, 2026 Jan 20, 2026
4/A PRIMARY DOCUMENT 0001510281-23-000493 Nov 13, 2023 Nov 8, 2023
4/A PRIMARY DOCUMENT 0001700264-20-000077 Aug 26, 2020 Dec 31, 2019