0001127602-12-007029.txt : 20120221 0001127602-12-007029.hdr.sgml : 20120220 20120221152351 ACCESSION NUMBER: 0001127602-12-007029 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120215 FILED AS OF DATE: 20120221 DATE AS OF CHANGE: 20120221 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: HARVEY WILLIAM D CENTRAL INDEX KEY: 0001209101 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-09894 FILM NUMBER: 12626637 MAIL ADDRESS: STREET 1: 5 SHADE TREE COURT CITY: MADISON STATE: WI ZIP: 53717 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 X0304 4 2012-02-15 0000352541 ALLIANT ENERGY CORP LNT 0001209101 HARVEY WILLIAM D PO BOX 14720 MADISON WI 53708-0720 1 1 Chairman and CEO Common Stock 120637.13 D Common Stock 25829.0307 I By 401(k) Plan Common Stock 3769.35 I By Partnership Deferred Common Stock 0 2012-02-15 2012-02-17 4 A 0 517.1408 42.76 A Common Stock 517.1408 49657.013 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/ Karen E. Nelson, by Power of Attorney 2012-02-21