AMEREN 8-K, DATED APRIL 23, 2009

Company

UNION ELECTRIC CO

Filed

April 23, 2009

Period of Report

April 23, 2009

Accession Number

0001002910-09-000133

An 8-K is a current report used to announce material events that shareholders should know about — such as earnings releases, mergers, executive changes, or bankruptcy. Learn more about 8-K filings →