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ALLIANT ENERGY CORP

DEF 14A 32 filings

All DEF 14A Filings

Complete history of DEF 14A filings with the SEC

Date Filed	View on EDGAR
31 Mar Mar 31, 2026	open_in_new View Filing
01 Apr Apr 01, 2025	open_in_new View Filing
02 Apr Apr 02, 2024	open_in_new View Filing
04 Apr Apr 04, 2023	open_in_new View Filing
31 Mar Mar 31, 2022	open_in_new View Filing
01 Apr Apr 01, 2021	open_in_new View Filing
09 Apr Apr 09, 2020	open_in_new View Filing
08 Apr Apr 08, 2019	open_in_new View Filing
09 Apr Apr 09, 2018	open_in_new View Filing
18 Apr Apr 18, 2017	open_in_new View Filing
31 Mar Mar 31, 2016	open_in_new View Filing
24 Mar Mar 24, 2015	open_in_new View Filing
03 Apr Apr 03, 2014	open_in_new View Filing
03 Apr Apr 03, 2013	open_in_new View Filing
03 Apr Apr 03, 2012	open_in_new View Filing
30 Mar Mar 30, 2011	open_in_new View Filing
01 Apr Apr 01, 2010	open_in_new View Filing
02 Apr Apr 02, 2009	open_in_new View Filing
03 Apr Apr 03, 2008	open_in_new View Filing
29 Mar Mar 29, 2007	open_in_new View Filing
05 Apr Apr 05, 2006	open_in_new View Filing
07 Apr Apr 07, 2005	open_in_new View Filing
05 Apr Apr 05, 2004	open_in_new View Filing
11 Apr Apr 11, 2003	open_in_new View Filing
03 Apr Apr 03, 2002	open_in_new View Filing
03 Apr Apr 03, 2001	open_in_new View Filing
27 Mar Mar 27, 2000	open_in_new View Filing
29 Mar Mar 29, 1999	open_in_new View Filing
27 May May 27, 1998	open_in_new View Filing
13 Mar Mar 13, 1997	open_in_new View Filing
27 Mar Mar 27, 1995	open_in_new View Filing
29 Mar Mar 29, 1994	open_in_new View Filing