0001127602-11-016847.txt : 20110518 0001127602-11-016847.hdr.sgml : 20110518 20110518165642 ACCESSION NUMBER: 0001127602-11-016847 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110517 FILED AS OF DATE: 20110518 DATE AS OF CHANGE: 20110518 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: ALLER THOMAS L CENTRAL INDEX KEY: 0001209092 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-09894 FILM NUMBER: 11855437 MAIL ADDRESS: STREET 1: 1089 CEDAR WOODS ROAD CITY: CEDAR RAPIDS STATE: IA ZIP: 52403 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ALLIANT ENERGY CORP CENTRAL INDEX KEY: 0000352541 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC & OTHER SERVICES COMBINED [4931] IRS NUMBER: 391380265 STATE OF INCORPORATION: WI FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 4902 NORTH BILTMORE LANE STREET 2: SUITE 1000 CITY: MADISON STATE: WI ZIP: 53718-2148 BUSINESS PHONE: 608-458-3311 MAIL ADDRESS: STREET 1: 4902 NORTH BILTMORE LANE STREET 2: SUITE 1000 CITY: MADISON STATE: WI ZIP: 53718-2148 FORMER COMPANY: FORMER CONFORMED NAME: INTERSTATE ENERGY CORP DATE OF NAME CHANGE: 19980427 FORMER COMPANY: FORMER CONFORMED NAME: WPL HOLDINGS INC DATE OF NAME CHANGE: 19920703 4 1 form4.xml PRIMARY DOCUMENT X0303 4 2011-05-17 0000352541 ALLIANT ENERGY CORP LNT 0001209092 ALLER THOMAS L PO BOX 14720 MADISON WI 53708-0720 1 Senior Vice President Common Stock 12574.314 D Common Stock 4721.3207 I By 401(k) Plan Common Stock 1000 I Spouse With Broker Deferred Common Stock 0 2011-05-17 4 A 0 89.4261 40.74 A Common Stock 89.4261 8661.7204 D Includes shares acquired under the company's dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11. Reflects 401(k) holdings as of this filing date. Units are to be settled upon reporting person's retirement. /s/ F. J. Buri, by Power of Attorney 2011-05-18