CMU
MFS HIGH YIELD MUNICIPAL TRUST
NYSE

Key Financials

Recent SEC Filings

Form Type Filed Date Link
SCHEDULE 13G/A 5/18/2026
SCHEDULE 13G/A 5/15/2026
SCHEDULE 13D/A 5/12/2026
SC TO-I/A 5/11/2026
SC TO-I/A 5/6/2026
SCHEDULE 13D/A 5/5/2026
SCHEDULE 13G/A 5/5/2026
4 5/5/2026
SCHEDULE 13D/A 5/1/2026
SCHEDULE 13D/A 4/27/2026

Company Information

Field Value
Ticker CMU
Company Name MFS HIGH YIELD MUNICIPAL TRUST
CIK 809844
Exchange NYSE
Entity Type other
Fiscal Year End 1130
State of Incorporation MA
Phone 617-954-5000