<SEC-DOCUMENT>0001104659-21-039947-index.html : 20210323 <SEC-HEADER>0001104659-21-039947.hdr.sgml : 20210323 <ACCEPTANCE-DATETIME>20210323060205 ACCESSION NUMBER: 0001104659-21-039947 CONFORMED SUBMISSION TYPE: DEF 14A PUBLIC DOCUMENT COUNT: 48 CONFORMED PERIOD OF REPORT: 20210506 FILED AS OF DATE: 20210323 DATE AS OF CHANGE: 20210323 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: DEF 14A SEC ACT: 1934 Act SEC FILE NUMBER: 001-14756 FILM NUMBER: 21763047 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>DEF 14A <SEQUENCE>1 <FILENAME>tm216176-2_def14a.htm <DESCRIPTION>DEF 14A <TEXT> Document 1 - file: tm216176-2_def14a.htm
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>tm216176d1-ht_2banerbotom4c.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 20 - file: tm216176d1-ht_2banerbotom4c.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>tm216176d1-ht_2banertop4c.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 21 - file: tm216176d1-ht_2banertop4c.jpg
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>tm216176d1-icon_arrow4c.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 23 - file: tm216176d1-icon_arrow4c.jpg
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>45 <FILENAME>tm216176d2-proxy_2amerenbw.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 45 - file: tm216176d2-proxy_2amerenbw.jpg
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>48 <FILENAME>tm216176d2-tbl_quali4c.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 48 - file: tm216176d2-tbl_quali4c.jpg
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