0000352541-23-000025.txt : 20230227 0000352541-23-000025.hdr.sgml : 20230227 20230227213612 ACCESSION NUMBER: 0000352541-23-000025 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230223 FILED AS OF DATE: 20230227 DATE AS OF CHANGE: 20230227 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Luhrs Michael CENTRAL INDEX KEY: 0001921786 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-09894 FILM NUMBER: 23678062 MAIL ADDRESS: STREET 1: P.O. BOX 14720 CITY: MADISON STATE: WI ZIP: 53708-0720 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 wf-form4_167755174961180.xml FORM 4 X0306 4 2023-02-23 0 0000352541 ALLIANT ENERGY CORP LNT 0001921786 Luhrs Michael C/O ALLIANT ENERGY CORPORATION P.O. BOX 14720 MADISON WI 53708-0720 0 1 0 0 Senior Vice President Common Stock 2023-02-23 4 A 0 2283 0 A 4037 D Represents restricted stock units (RSUs) which are converted to common stock on a one-to-one basis when vested. The RSUs vest on December 31, 2025. /s/ Jake C. Blavat, Attorney-in-Fact 2023-02-27