<SEC-DOCUMENT>0001104659-22-039466-index.html : 20220329 <SEC-HEADER>0001104659-22-039466.hdr.sgml : 20220329 <ACCEPTANCE-DATETIME>20220329162143 ACCESSION NUMBER: 0001104659-22-039466 CONFORMED SUBMISSION TYPE: DEFA14A PUBLIC DOCUMENT COUNT: 3 FILED AS OF DATE: 20220329 DATE AS OF CHANGE: 20220329 FILER: COMPANY DATA: COMPANY CONFORMED NAME: AMEREN CORP CENTRAL INDEX KEY: 0001002910 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC & OTHER SERVICES COMBINED [4931] IRS NUMBER: 431723446 STATE OF INCORPORATION: MO FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: DEFA14A SEC ACT: 1934 Act SEC FILE NUMBER: 001-14756 FILM NUMBER: 22781129 BUSINESS ADDRESS: STREET 1: 1901 CHOUTEAU AVE STREET 2: MC 1310 CITY: ST LOUIS STATE: MO ZIP: 63166-6149 BUSINESS PHONE: 314-621-3222 MAIL ADDRESS: STREET 1: 1901 CHOUTEAU AVE STREET 2: MC 1310 CITY: ST LOUIS STATE: MO ZIP: 63103 </SEC-HEADER> <DOCUMENT> <TYPE>DEFA14A <SEQUENCE>1 <FILENAME>tm223339d2_defa14a.htm <DESCRIPTION>DEFA14A <TEXT> Document 1 - file: tm223339d2_defa14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>tm223339d2_defa14aimg001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: tm223339d2_defa14aimg001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>tm223339d2_defa14aimg002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: tm223339d2_defa14aimg002.jpg
</DOCUMENT> </SEC-DOCUMENT>