// company-profile
Mfs High Yield Municipal Trust
CMU// activity-summary
Mixed insider activity over the last 30 days: 0 purchases and 0 sales (0 transactions total).
// 90-day insight
Over the last 90 days, Mfs High Yield Municipal Trust insiders filed 2 Form 4 transactions, none of which were open-market purchases or sales.
- Most active insider: JPMorgan Chase Bank, N.A. with 2 transactions totaling $0.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Mfs High Yield Municipal Trust as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 8, 2026 | JPMorgan Chase Bank, N.A. | CMU | J | 330 | — | — |
| May 1, 2026 | JPMorgan Chase Bank, N.A. | CMU | J | 180 | — | — |
| Jan 20, 2026 | Bulldog Investors, LLP | CMU | Purchase | 678 | $3.50 | $2K |
| Sep 5, 2024 | JPMorgan Chase Bank, N.A. | CMU | J | 510 | — | — |
| Sep 5, 2024 | JPMorgan Chase Bank, N.A. | CMU | J | 510 | — | — |
23 more transactions hidden
Free account · No credit card required
Building something? Get API access →
Popular companies on Form4API
Browse insider trading activity for other actively-filed companies.