MFS HIGH YIELD MUNICIPAL TRUST — SCHEDULE 13D/A Filings
5 SCHEDULE 13D/A filings on record
This page lists all SCHEDULE 13D/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 5 SCHEDULE 13D/A documents with the SEC since 1994. To view all SEC filings by MFS HIGH YIELD MUNICIPAL TRUST, see the full filings list.
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 |
|---|---|---|---|---|
| SCHEDULE 13D/A | — | 0001398344-25-022559 | Dec 16, 2025 | — |
| SCHEDULE 13D/A | — | 0001398344-25-020988 | Nov 14, 2025 | — |
| SCHEDULE 13D/A | — | 0001398344-25-017036 | Aug 28, 2025 | — |
| SCHEDULE 13D/A | — | 0001398344-25-013224 | Jul 16, 2025 | — |
| SCHEDULE 13D/A | — | 0001398344-25-002897 | Feb 14, 2025 | — |