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ALLIANT ENERGY CORP

DEFA14A 23 filings

All DEFA14A Filings

Complete history of DEFA14A 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 May May 08, 2017	open_in_new View Filing
20 Apr Apr 20, 2017	open_in_new View Filing
01 Apr Apr 01, 2010	open_in_new View Filing
04 May May 04, 2005	open_in_new View Filing
27 Mar Mar 27, 2000	open_in_new View Filing
05 Sep Sep 05, 1996	open_in_new View Filing
04 Sep Sep 04, 1996	open_in_new View Filing
30 Aug Aug 30, 1996	open_in_new View Filing
29 Aug Aug 29, 1996	open_in_new View Filing
27 Aug Aug 27, 1996	open_in_new View Filing
23 Aug Aug 23, 1996	open_in_new View Filing
22 Aug Aug 22, 1996	open_in_new View Filing
21 Aug Aug 21, 1996	open_in_new View Filing
20 Aug Aug 20, 1996	open_in_new View Filing
20 Aug Aug 20, 1996	open_in_new View Filing
16 Aug Aug 16, 1996	open_in_new View Filing