# MFS HIGH YIELD MUNICIPAL TRUST — SC TO-C

MFS HIGH YIELD MUNICIPAL TRUST of BOSTON, MA filed a SC TO-C with the SEC on 2023-08-25.

## Filing

- Filed: 2023-08-25
- Form: SC TO-C
- Accession: 0000912938-23-000398
- Registrant: MFS HIGH YIELD MUNICIPAL TRUST
- CIK: 0000809844
- State of incorporation: MA
- Location: BOSTON, MA

## Documents (3)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | SC TO-C | cmu\_sc\_to\_c.htm |
| 2 | EX-99.1 CHARTER | cmupressrelease.htm |
| 3 | GRAPHIC | image0.jpg |

## Filing timeline for this registrant (26)

_Showing 12 of 26 filings._

| Filed | Form |
| --- | --- |
| [2026-05-11](https://search.stillhousedata.com/proxy/0000930413-26-001549) | SC TO-I/A |
| [2026-05-06](https://search.stillhousedata.com/proxy/0000930413-26-001497) | SC TO-I/A |
| [2026-04-06](https://search.stillhousedata.com/proxy/0000930413-26-000980) | SC TO-I |
| [2026-03-04](https://search.stillhousedata.com/proxy/0000930413-26-000673) | SC TO-C |
| [2023-11-14](https://search.stillhousedata.com/proxy/0000912938-23-000496) | SC TO-I/A |
| [2023-11-07](https://search.stillhousedata.com/proxy/0000912938-23-000485) | SC TO-I/A |
| [2023-10-06](https://search.stillhousedata.com/proxy/0000912938-23-000451) | SC TO-I |
| 2023-08-25 | SC TO-C |
| [2012-09-12](https://search.stillhousedata.com/proxy/0001193125-12-389495) | SC TO-I/A |
| [2012-09-07](https://search.stillhousedata.com/proxy/0001193125-12-385003) | SC TO-I/A |
| [2012-08-31](https://search.stillhousedata.com/proxy/0001193125-12-377570) | SC TO-I/A |
| [2012-08-24](https://search.stillhousedata.com/proxy/0001193125-12-367040) | SC TO-I/A |

## More

- [CIK 809844 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=809844&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000912938-23-000398.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.
