0001002910-21-000089.txt : 20210312 0001002910-21-000089.hdr.sgml : 20210312 20210312164208 ACCESSION NUMBER: 0001002910-21-000089 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210311 FILED AS OF DATE: 20210312 DATE AS OF CHANGE: 20210312 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: BIRK MARK C CENTRAL INDEX KEY: 0001220854 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-14756 FILM NUMBER: 21738094 MAIL ADDRESS: STREET 1: 1901 CHOUTEAU AVE MC-1310 CITY: ST LOUIS STATE: MO ZIP: 63103 ISSUER: 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 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 4 1 wf-form4_161558531377351.xml FORM 4 X0306 4 2021-03-11 0 0001002910 AMEREN CORP AEE 0001220854 BIRK MARK C P.O. BOX 66149 ST. LOUIS MO 63166-6149 0 0 0 1 SVP of Subsidiary Common Stock, $.01 Par Value 1231 I By 401(K) Common Stock, $.01 Par Value 2021-03-11 4 S 0 2000 76.10 D 76320 D Represents the estimated number of share equivalents held by the reporting person in the unitized stock fund included in the Ameren Corporation Savings Investment Plan as of February 28, 2021. Jonathan T. Shade, Asst. Secy. for Ameren Corporation, attorney-in-fact for Mark C. Birk 2021-03-12