MFS CLOSED END FUNDS

Company

MFS HIGH YIELD MUNICIPAL TRUST

Filed

August 21, 2008

Period of Report

October 9, 2008

Accession Number

0000950156-08-000235

A DEF 14A is a proxy statement sent to shareholders before an annual meeting. It covers executive compensation, board elections, and shareholder votes. Learn more about DEF 14A filings →