CMU insider filings
MFS HIGH YIELD MUNICIPAL TRUST — 33 most recent insider filings (SEC Forms 3/4/5) from EDGAR, normalized by FilingPulse. Latest filing: 2026-08-11. Screen CMU transaction legs live →
Insider transaction summary — last 90 days
2026-07-10 to 2026-10-08, from the filings listed below: 1 insider filing (Forms 3/4/5). Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 0.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| THOMSEN LAURIE J — Director | 1 | — | — | — |
Recent insider filings — MFS HIGH YIELD MUNICIPAL TRUST
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-11 | 4 | THOMSEN LAURIE J — Director | Holdings only — no transactions reported | EDGAR |
| 2026-06-09 | 4 | JPMorgan Chase Bank, N.A. — 10% owner | Other (J): 330 | EDGAR |
| 2026-05-05 | 4 | JPMorgan Chase Bank, N.A. — 10% owner | Other (J): 180 | EDGAR |
| 2026-04-01 | 4 | SCHECHTER GEOFFREY | Holdings only — no transactions reported | EDGAR |
| 2026-01-23 | 4/A | Bulldog Investors, LLP — 10% owner GOLDSTEIN PHILLIP — 10% owner Dakos Andrew — 10% owner | Purchase (P): 678 @ $3.50 | EDGAR |
| 2026-01-22 | 4 | Bulldog Investors, LLP — 10% owner GOLDSTEIN PHILLIP — 10% owner Dakos Andrew — 10% owner | Purchase (P): 678 @ $3.50 | EDGAR |
| 2025-12-11 | 4 | FLAHERTY JOSEPH | Holdings only — no transactions reported | EDGAR |
| 2025-10-06 | 4 | KANWAL AMRIT | Holdings only — no transactions reported | EDGAR |
| 2025-06-27 | 4 | Adams William | Holdings only — no transactions reported | EDGAR |
| 2025-01-23 | 4 | DOUGHERTY LINDA | Holdings only — no transactions reported | EDGAR |
| 2024-10-01 | 4 | YOST JAMES O | Holdings only — no transactions reported | EDGAR |
| 2024-09-18 | 4 | SINGH MANJIT | Holdings only — no transactions reported | EDGAR |
| 2024-09-13 | 4 | JPMorgan Chase Bank, N.A. — 10% owner | Other (J): 510 · Other (J): 510 | EDGAR |
| 2024-09-03 | 4 | JPMorgan Chase Bank, N.A. — 10% owner | Other (J): 13 | EDGAR |
| 2024-08-06 | 4 | JPMorgan Chase Bank, N.A. — 10% owner | Other (J): 77 | EDGAR |
| 2023-11-13 | 4 | Saba Capital Management, L.P. — 10% owner Weinstein Boaz — 10% owner | Purchase (P): 400 @ $3.25 | EDGAR |
| 2023-11-13 | 4/A | Saba Capital Management, L.P. — 10% owner Weinstein Boaz — 10% owner | Code (U): 856,816 @ $3.39 | EDGAR |
| 2023-11-09 | 4 | Saba Capital Management, L.P. — 10% owner Weinstein Boaz — 10% owner | Purchase (P): 10,448 @ $2.98 · Code (U): 856,816 @ $3.39 | EDGAR |
| 2023-11-07 | 4 | JPMorgan Chase Bank, N.A. — 10% owner | Other (J): 100 | EDGAR |
| 2023-10-10 | 4 | Saba Capital Management, L.P. — 10% owner Weinstein Boaz — 10% owner | Sale (S): 2,485 @ $3.06 · Sale (S): 2,925 @ $3.05 | EDGAR |
| 2023-10-06 | 4 | Saba Capital Management, L.P. — 10% owner Weinstein Boaz — 10% owner | Sale (S): 11,899 @ $3.09 · Sale (S): 9,230 @ $3.08 | EDGAR |
| 2023-10-03 | 4 | Saba Capital Management, L.P. — 10% owner Weinstein Boaz — 10% owner | Sale (S): 6,358 @ $3.10 | EDGAR |
| 2023-07-25 | 4 | Saba Capital Management, L.P. — 10% owner Weinstein Boaz — 10% owner | Purchase (P): 46,009 @ $3.30 | EDGAR |
| 2023-07-19 | 4 | Saba Capital Management, L.P. — 10% owner Weinstein Boaz — 10% owner | Purchase (P): 521 @ $3.26 | EDGAR |
| 2023-06-28 | 4 | Saba Capital Management, L.P. — 10% owner Weinstein Boaz — 10% owner | Purchase (P): 7,194 @ $3.24 | EDGAR |
| 2023-06-22 | 4 | Saba Capital Management, L.P. — 10% owner Weinstein Boaz — 10% owner | Purchase (P): 3,070 @ $3.18 | EDGAR |
| 2023-06-08 | 4 | Saba Capital Management, L.P. — 10% owner Weinstein Boaz — 10% owner | Purchase (P): 358,678 @ $3.15 · Purchase (P): 12,874 @ $3.19 | EDGAR |
| 2023-05-23 | 4 | Saba Capital Management, L.P. — 10% owner Weinstein Boaz — 10% owner | Purchase (P): 10,923 @ $3.18 | EDGAR |
| 2023-05-19 | 4 | Saba Capital Management, L.P. — 10% owner Weinstein Boaz — 10% owner | Purchase (P): 179 @ $3.20 | EDGAR |
| 2023-05-17 | 4 | Saba Capital Management, L.P. — 10% owner Weinstein Boaz — 10% owner | Purchase (P): 12,046 @ $3.20 · Purchase (P): 12,601 @ $3.22 | EDGAR |
| 2023-05-15 | 4 | Saba Capital Management, L.P. — 10% owner Weinstein Boaz — 10% owner | Purchase (P): 14,574 @ $3.19 · Purchase (P): 576 @ $3.19 | EDGAR |
| 2023-05-08 | 4 | Saba Capital Management, L.P. — 10% owner Weinstein Boaz — 10% owner | Purchase (P): 6,893 @ $3.18 | EDGAR |
| 2023-04-14 | 4 | Lasman Gary S | Holdings only — no transactions reported | EDGAR |
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