0001002910-12-000067.txt : 20120229 0001002910-12-000067.hdr.sgml : 20120229 20120229153758 ACCESSION NUMBER: 0001002910-12-000067 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120228 FILED AS OF DATE: 20120229 DATE AS OF CHANGE: 20120229 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: LYONS MARTIN J CENTRAL INDEX KEY: 0001190099 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-14756 FILM NUMBER: 12652467 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 2012-02-28 0001002910 AMEREN CORP AEE 0001190099 LYONS MARTIN J P.O. BOX 66149 ST. LOUIS MO 63166-6149 0 1 0 0 Sr. VP & CFO Common Stock, $.01 Par Value 1038 I By 401(K) Common Stock, $.01 Par Value 2012-02-28 4 F 0 1697 31.97 D 8225 D Common Stock, $.01 Par Value 2012-02-28 4 M 0 2301 0 A 10526 D Performance Units Common Stock 2851 2851 D Sold to cover Mr. Lyons' tax liability for acquiring performance shares that have vested. 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 Martin J. Lyons, Jr. 2012-02-29