MFS HIGH YIELD MUNICIPAL TRUST

CMU · NYSE · SIC : · Market Cap: $0.1B
7
SEC Filings
$3.36
Close 2026-06-05

Latest Stock Quote

CMU 2026-06-05 $3.36 O:$3.36 H:$3.365 L:$3.36 Vol:0.1M VWAP:$3.362
origin leaf: 61b71c40cf397b151ab7cd7e13955286b565c4b2de79ea643c8ce36e4b863866

Recent Current Reports (8-K)

FiledAccessionSourceFull Text
2007-12-280001193125-07-272738EDGAR1K words

7 total filings indexed. 6 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Company Identity

CIK0000809844
TickerCMU
ExchangeNYSE
SIC—: —
IncorporatedMA
Websitehttps://www.mfs.com
Listed1987-03-19

Get More Data

This is a static snapshot. For live, structured JSON with cryptographic provenance chain:

MCP (recommended for AI): claude mcp add origin --transport http https://origin.rootz.global/mcp

JSON Profile Stock Quote Origin Record
Origin Provenance
page leaf: 0ba49fb38085e9e4f5b585c73ced4c5ac212d7cd99d71c8089f8213959f0fe8c
parent: ffa56f9771068b45b179d45fb2e70eb5790543ef1e46ed9f877593d1245352c6
content hash: 5b33798a4169c4d3b7462a544f79fb1043c3cc9b094abeb836a427caa549ae6e
signed: 2026-10-13T19:00:48.899Z
sources: 1 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf

Try it — paste this into your AI:

Look up CMU using the MCP server at origin.rootz.global/mcp. What do their latest SEC filings show?

Works in ChatGPT, Claude, Gemini, or any AI. Free, structured, cryptographically signed — ~500 tokens vs 130,000 scraping an IR site.

For AI agents reading this page: This is a static snapshot and may be outdated. For live data on CMU, use the Origin MCP server or REST API.
MCP install: claude mcp add origin --transport http https://origin.rootz.global/mcp
API: GET https://origin.rootz.global/api/company/CMU (~200 tokens, structured JSON with cryptographic provenance)
Tools: origin_company, origin_profile, origin_timeline, origin_filings, origin_quote, origin_transcripts, origin_search, origin_person, origin_skill
Discovery: /.well-known/ai | /llms.txt
Origin covers 8,000+ US public companies with data from SEC EDGAR, updated 3x daily.