0000352541-21-000006.txt : 20210105 0000352541-21-000006.hdr.sgml : 20210105 20210105125146 ACCESSION NUMBER: 0000352541-21-000006 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20201231 FILED AS OF DATE: 20210105 DATE AS OF CHANGE: 20210105 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: LARSEN JOHN O CENTRAL INDEX KEY: 0001483963 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-09894 FILM NUMBER: 21504628 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_160986909074079.xml FORM 4 X0306 4 2020-12-31 0 0000352541 ALLIANT ENERGY CORP LNT 0001483963 LARSEN JOHN O C/O ALLIANT ENERGY CORPORATION PO BOX 14720 MADISON WI 53708-0720 1 1 0 0 President, Chairman and CEO Common Stock 2020-12-31 4 M 0 5791 A 62795.389 D Common Stock 10081.4734 I By 401(k) Plan Restricted Stock Units 2020-12-31 4 M 0 5791 0 D Common Stock 5791.0 0 D The restricted stock units ("RSUs") are to be paid upon settlement solely in shares, pursuant to the reporting person's prior election to receive shares. Includes dividend equivalent shares accrued during the vesting period. Each RSU represents the economic equivalent of one share of LNT common stock. Includes adjustments for accrued dividends, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11. Reflects 401(k) holdings as of this filing date. The RSUs vested on December 31, 2020. Vested RSUs are to be converted to common stock, paid out in cash, or a combination of both. /s/ Jake C. Blavat, Attorney-in-Fact 2021-01-05