MFS HIGH INCOME MUNICIPAL TRUST
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View price & chart on Yahoo Finance ↗Financials
SEC XBRL · annualNo structured XBRL financials available (common for pre-2009 filers, foreign issuers, or companies that never reported as a US public company).
Insider transactions
SEC Form 4 · most recent0 acquisitions4 disposalsnet −865 shares · last 4
| Insider | Date | Type | Shares | Price |
|---|---|---|---|---|
| Jpmorgan Chase Bank, N.A.10% owner | Sep 5, 2024 | J | 692 | — |
| Jpmorgan Chase Bank, N.A.10% owner | Aug 30, 2024 | J | 21 | — |
| Jpmorgan Chase Bank, N.A.10% owner | Aug 2, 2024 | J | 102 | — |
| Jpmorgan Chase Bank, N.A.10% owner | Nov 3, 2023 | J | 50 | — |
Headline trade per Form 4 (officers, directors, 10%+ owners). Buy/sell read from the filing's structured data — blank where a field isn't cleanly tagged.
Short interest
FINRA · bi-monthly| Settlement | Shares short | Days to cover | Δ vs prior |
|---|---|---|---|
| May 15, 2026 | 25,512 | 1.0 | +72.9% |
| Apr 30, 2026 | 14,752 | 1.0 | +265.6% |
| Apr 15, 2026 | 4,035 | 1.0 | -89.2% |
| Mar 31, 2026 | 37,194 | 1.0 | +27.4% |
| Mar 13, 2026 | 29,189 | 1.0 | -33.7% |
Shares sold short as reported to FINRA. Days-to-cover = short shares ÷ average daily volume — higher means more potential squeeze pressure.
Material events
SEC Form 8-K · most recentEvents the company reported on Form 8-K, labelled by the SEC item code it filed under — its own classification, not our interpretation.
Recent SEC filings
All filings ↗- NPORT-PApr 24, 2026
- 425Apr 8, 2026
- 425Apr 2, 2026
- 4PRIMARY DOCUMENTApr 1, 2026
- 425Mar 13, 2026
- N-CENFeb 12, 2026
- 425Feb 11, 2026
- 425Feb 11, 2026
- NPORT-PJan 26, 2026
- N-CSRMFS HIGH INCOME MUNICIPAL TRUSTJan 23, 2026
- 3PRIMARY DOCUMENTJan 9, 2026
- 425Dec 12, 2025
- 425Dec 11, 2025
- 4PRIMARY DOCUMENTDec 11, 2025
- SCHEDULE 13D/ADec 10, 2025