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ISSUER PROFILE · CIK 0000809844 · CUSIP 59318E102

MFS High Yield Municipal TrustCMU

1 13D/G filings 1 distinct filers 0 insider transactions (365d)
1 BOARD-CHANGE

Cross-Reference Snapshot

Activist filings
1
1 SCHEDULE 13D/A
Distinct filers
1
single filer
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
3.01
as of 2026-03-31

13D/G Filings Timeline · 1 total

FiledFormFilerStakeSharesIntent
2026-04-09 SCHEDULE 13D/A Bulldog Investors, LLP 13.55% 3,072,220 BOARD-CHANGE view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-03-31 163,286 3.01 +15.4%
2026-03-13 141,462 1.00 -0.1%
2026-02-27 141,560 2.11 -2.0%
2026-02-13 144,435 2.32 -1.4%
2026-01-30 146,486 2.73 +3.5%
2026-01-15 141,464 2.22 +109.5%
2025-12-31 67,531 1.00 -7.6%
2025-12-15 73,098 1.00 +156.1%

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