0001002910-12-000020.txt : 20120119 0001002910-12-000020.hdr.sgml : 20120119 20120119152643 ACCESSION NUMBER: 0001002910-12-000020 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: NASLUND CHARLES D CENTRAL INDEX KEY: 0001190109 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-14756 FILM NUMBER: 12534570 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 0001190109 NASLUND CHARLES D P.O. BOX 66149 ST. LOUIS MO 63166-6149 0 0 0 1 Sr VP of Subsidiary Common Stock, $.01 Par Value 3152 I By 401(K) Common Stock, $.01 Par Value 4612 I By ESOP Common Stock, $.01 Par Value 2012-01-17 4 F 0 1295 28.89 D 12590 D Common Stock, $.01 Par Value 2012-01-17 4 M 0 1481 0 A 14071 D Performance Units 2012-01-17 4 M 0 2776 0 D 2011-12-31 Common Stock 2776 3739 D Amount includes a total of 475 shares acquired monthly from January through December 2011 at prices ranging from $26.91 to $33.41 per share. Amount includes a total of 226 shares acquired during the first through fourth quarters of 2011 through reinvested dividends at prices ranging from $28.21 to $33.41 per share. Sold to cover Mr. Naslund's tax liability for acquiring performance shares that have vested. Amount includes a total of 605 shares acquired during the first through fourth quarters of 2011 through reinvested dividends at prices ranging from $28.21 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 Charles D. Naslund 2012-01-19