Recent filings
The trust's recent EDGAR filings — prospectus updates, shareholder reports, proxy records. Trust-level, so some cover other funds in MFS Municipal Series Trust.
| Filed | Filing | Form | |
|---|---|---|---|
| 2026-06-11 | Annual report (N-CEN) report | N-CEN | EDGAR → |
| 2026-05-28 | Annual shareholder report report | N-CSR | EDGAR → |
| 2026-03-05 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-03-05 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-03-05 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-03-05 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-03-05 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-03-05 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-03-05 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-03-05 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-03-05 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-03-05 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-03-05 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-03-05 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-03-05 | Summary prospectus prospectus | 497K | EDGAR → |
| 2026-03-05 | Prospectus supplement prospectus | 497 | EDGAR → |
| 2025-11-25 | Semi-annual shareholder report report | N-CSRS | EDGAR → |
| 2025-08-28 | Proxy voting record proxy | N-PX | EDGAR → |
| 2025-07-28 | Updated prospectus prospectus | 485BPOS | EDGAR → |
| 2025-07-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-07-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-07-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-07-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-07-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-07-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-07-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-07-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-07-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-07-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-07-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-07-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-07-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-07-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-07-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-07-28 | Summary prospectus prospectus | 497K | EDGAR → |
| 2025-06-11 | Annual report (N-CEN) report | N-CEN | EDGAR → |
| 2025-05-28 | Annual shareholder report report | N-CSR | EDGAR → |
| 2024-11-26 | Semi-annual shareholder report report | N-CSRS | EDGAR → |
| 2024-11-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2024-11-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2024-11-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2024-11-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2024-11-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2024-11-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2024-11-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2024-11-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2024-11-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2024-11-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2024-11-01 | Summary prospectus prospectus | 497K | EDGAR → |
| 2024-11-01 | Summary prospectus prospectus | 497K | EDGAR → |
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