0001002910-12-000022.txt : 20120119 0001002910-12-000022.hdr.sgml : 20120119 20120119152828 ACCESSION NUMBER: 0001002910-12-000022 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120117 FILED AS OF DATE: 20120119 DATE AS OF CHANGE: 20120119 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: NELSON GREGORY L CENTRAL INDEX KEY: 0001190110 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-14756 FILM NUMBER: 12534577 MAIL ADDRESS: STREET 1: 1901 CHOUTEAU AVENUE 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 1370 CITY: ST LOUIS STATE: MO ZIP: 63166-6149 BUSINESS PHONE: 314-621-3222 MAIL ADDRESS: STREET 1: 1901 CHOUTEAU AVE STREET 2: MC 1370 CITY: ST LOUIS STATE: MO ZIP: 63103 4 1 edgar.xml PRIMARY DOCUMENT X0304 4 2012-01-17 0001002910 AMEREN CORP AEE 0001190110 NELSON GREGORY L P.O. BOX 66149 ST. LOUIS MO 63166-6149 0 1 0 0 Sr VP, GC & Secretary Common Stock, $.01 Par Value 120 I By 401(K) Common Stock, $.01 Par Value 2012-01-17 4 F 0 968 28.89 D 7435 D Common Stock, $.01 Par Value 2012-01-17 4 M 0 907 0 A 8342 D Performance Units 2012-01-17 4 M 0 1875 0 D 2011-12-31 Common Stock 1875 2394 D Amount includes a total of 120 shares acquired monthly from June through December 2011 at prices ranging from $28.74 to $33.41 per share. Sold to cover Mr. Nelson's tax liability for acquiring performance shares that have vested. Amount includes a total of 2 shares acquired monthly through exempt purchases from June through December 2011 at prices ranging from $28.74 to $33.41 per share. Each performance unit represents a contingent right to receive one share of Ameren common stock. The performance units vest after a two year holding period. G. L. Waters, Asst. Secy. of Ameren Corporation, attorney in fact for Gregory L. Nelson 2012-01-19