Alliant Energy Corp reports

Location
4902 North Biltmore Lane, Suite 1000, Madison, Wisconsin
State of incorporation
Wisconsin
Fiscal year end
December 31
Data updated at
6/25/2024, 01:21 AM
Form type Sec Links Description Filing date Reporting date
8-K Report | Data 8-K Jun 24, 2024 Jun 20, 2024
8-K Report | Data 8-K Jun 6, 2024 Jun 3, 2024
8-K Report | Data 8-K May 20, 2024 May 17, 2024
10-Q Report | Data 10-Q May 3, 2024 Mar 31, 2024
8-K Report | Data 8-K May 3, 2024 May 2, 2024
8-K Report | Data 8-K Mar 8, 2024 Mar 7, 2024
8-K Report | Data 8-K Mar 7, 2024 Mar 4, 2024
8-K Report | Data 8-K Mar 5, 2024 Mar 1, 2024
10-K Report | Data 10-K Feb 16, 2024 Dec 31, 2023
8-K Report | Data 8-K Feb 16, 2024 Feb 15, 2024
8-K Report | Data 8-K Feb 13, 2024 Feb 8, 2024
SC 13G/A Report SCHEDULE 13G/A Feb 13, 2024
SC 13G/A Report Jan 30, 2024
SC 13G/A Report Jan 24, 2024
8-K Report | Data 8-K Nov 13, 2023 Nov 7, 2023
10-Q Report | Data 10-Q Nov 3, 2023 Sep 30, 2023
8-K Report | Data 8-K Nov 3, 2023 Nov 2, 2023
8-K Report | Data 8-K Oct 26, 2023 Oct 25, 2023
8-K Report | Data 8-K Sep 21, 2023 Sep 18, 2023
10-Q Report | Data 10-Q Aug 4, 2023 Jun 30, 2023
8-K Report | Data 8-K Aug 4, 2023 Aug 3, 2023
8-K Report | Data 8-K Jul 14, 2023 Jul 11, 2023
8-K Report | Data 8-K May 25, 2023 May 23, 2023
10-Q Report | Data 10-Q May 5, 2023 Mar 31, 2023
8-K Report | Data 8-K May 5, 2023 May 4, 2023
8-K Report | Data 8-K Mar 30, 2023 Mar 27, 2023
8-K Report | Data 8-K Mar 16, 2023 Mar 15, 2023
8-K Report | Data 8-K Mar 13, 2023 Mar 10, 2023
8-K Report | Data 8-K Mar 3, 2023 Feb 27, 2023
10-K Report | Data 10-K Feb 24, 2023 Dec 31, 2022
8-K Report | Data 8-K Feb 24, 2023 Feb 23, 2023
SC 13G/A Report SCHEDULE 13G/A Feb 9, 2023
SC 13G/A Report Feb 8, 2023
SC 13G/A Report Jan 27, 2023
SC 13G/A Report Jan 25, 2023
8-K Report | Data 8-K Jan 13, 2023 Jan 13, 2023
8-K Report | Data 8-K Jan 4, 2023 Jan 4, 2023
8-K Report | Data 8-K Dec 15, 2022 Dec 14, 2022
10-Q Report | Data 10-Q Nov 8, 2022 Sep 30, 2022
8-K Report | Data 8-K Nov 8, 2022 Nov 7, 2022
8-K Report | Data 8-K Aug 15, 2022 Aug 8, 2022
10-Q Report | Data 10-Q Aug 5, 2022 Jun 30, 2022
8-K Report | Data 8-K Aug 5, 2022 Aug 4, 2022
8-K Report | Data 8-K May 24, 2022 May 19, 2022
10-Q Report | Data 10-Q Apr 29, 2022 Mar 31, 2022
8-K Report | Data 8-K Apr 29, 2022 Apr 28, 2022
8-K Report | Data 8-K Mar 4, 2022 Mar 3, 2022
8-K Report | Data 8-K Mar 1, 2022 Feb 23, 2022
10-K Report | Data 10-K Feb 18, 2022 Dec 31, 2021
8-K Report | Data 8-K Feb 18, 2022 Feb 17, 2022
SC 13G/A Report Feb 10, 2022
SC 13G/A Report SCHEDULE 13G/A Feb 9, 2022
8-K Report | Data 8-K Feb 8, 2022 Feb 4, 2022
SC 13G/A Report Jan 27, 2022
SC 13G/A Report Jan 25, 2022
8-K Report | Data 8-K Dec 21, 2021 Dec 17, 2021
8-K Report | Data 8-K Nov 19, 2021 Nov 16, 2021
10-Q Report | Data 10-Q Nov 5, 2021 Sep 30, 2021
8-K Report | Data 8-K Nov 5, 2021 Nov 4, 2021
8-K Report | Data 8-K Nov 4, 2021 Nov 3, 2021
8-K Report | Data 8-K Oct 28, 2021 Oct 26, 2021
8-K Report | Data 8-K Sep 24, 2021 Sep 23, 2021
8-K Report | Data 8-K Sep 16, 2021 Sep 13, 2021
10-Q Report | Data 10-Q Aug 6, 2021 Jun 30, 2021
8-K Report | Data 8-K Aug 6, 2021 Aug 5, 2021
8-K Report | Data 8-K Jul 15, 2021 Jul 14, 2021
8-K Report | Data 8-K May 25, 2021 May 20, 2021
10-Q Report | Data 10-Q May 7, 2021 Mar 31, 2021
8-K Report | Data 8-K May 7, 2021 May 6, 2021
10-K Report | Data 10-K Feb 19, 2021 Dec 31, 2020
8-K Report | Data 8-K Feb 19, 2021 Feb 18, 2021
SC 13G/A Report SCHEDULE 13G/A Feb 10, 2021
SC 13G Report Feb 5, 2021
8-K Report | Data 8-K Jan 29, 2021 Jan 27, 2021
SC 13G/A Report Jan 29, 2021
8-K Report | Data 8-K Nov 23, 2020 Nov 17, 2020
10-Q Report | Data 10-Q Nov 3, 2020 Sep 30, 2020
8-K Report | Data 8-K Nov 3, 2020 Nov 2, 2020
8-K Report | Data 8-K Oct 29, 2020 Oct 27, 2020
8-K Report | Data 8-K Aug 19, 2020 Aug 18, 2020
10-Q Report | Data 10-Q Aug 10, 2020 Jun 30, 2020
8-K Report | Data 8-K Aug 7, 2020 Aug 6, 2020
8-K Report | Data 8-K Jun 2, 2020 May 26, 2020
8-K Report | Data 8-K May 22, 2020 May 21, 2020
10-Q Report | Data 10-Q May 8, 2020 Mar 31, 2020
8-K Report | Data 8-K May 8, 2020 May 7, 2020
8-K Report | Data 8-K Apr 6, 2020 Apr 3, 2020
8-K Report | Data 8-K Apr 2, 2020 Mar 30, 2020
8-K Report | Data 8-K Mar 5, 2020 Mar 3, 2020
10-K Report | Data 10-K Feb 21, 2020 Dec 31, 2019
8-K Report | Data 8-K Feb 21, 2020 Feb 20, 2020
SC 13G Report Feb 13, 2020
SC 13G/A Report SCHEDULE 13G/A Feb 11, 2020
SC 13G/A Report Feb 5, 2020
8-K Report | Data 8-K Dec 13, 2019 Dec 12, 2019
8-K Report | Data 8-K Nov 18, 2019 Nov 14, 2019
10-Q Report | Data 10-Q Nov 7, 2019 Sep 30, 2019
8-K Report | Data 8-K Nov 7, 2019 Nov 6, 2019
8-K Report | Data 8-K Sep 26, 2019 Sep 19, 2019
10-Q Report | Data 10-Q Aug 2, 2019 Jun 30, 2019
8-K Report 8-K Aug 2, 2019 Aug 1, 2019
8-K Report 8-K Jun 24, 2019 Jun 17, 2019
8-K Report 8-K May 20, 2019 May 16, 2019
10-Q Report | Data 10-Q May 3, 2019 Mar 31, 2019
8-K Report 8-K May 3, 2019 May 2, 2019
8-K Report 8-K Apr 1, 2019 Mar 25, 2019
10-K Report | Data 10-K Feb 22, 2019 Dec 31, 2018
8-K Report 8-K Feb 22, 2019 Feb 21, 2019
8-K Report 8-K Feb 13, 2019 Feb 11, 2019
SC 13G/A Report ALLIANT ENERGY CORPORATION Feb 13, 2019
SC 13G/A Report Feb 11, 2019
SC 13G/A Report Feb 4, 2019
8-K Report 8-K Dec 18, 2018 Dec 13, 2018
8-K Report FORM 8-K Dec 17, 2018 Dec 13, 2018
8-K Report 8-K Dec 13, 2018 Dec 13, 2018
10-Q Report | Data 10-Q Nov 7, 2018 Sep 30, 2018
8-K Report 8-K Nov 7, 2018 Nov 6, 2018
8-K Report FORM 8-K Sep 26, 2018 Sep 19, 2018
10-Q Report | Data 10-Q Aug 3, 2018 Jun 30, 2018
8-K Report 8-K Aug 3, 2018 Aug 2, 2018
8-K Report 8-K Jul 26, 2018 Jul 25, 2018
8-K Report 8-K Jun 12, 2018 Jun 6, 2018
8-K Report 8-K May 21, 2018 May 17, 2018
8-K Report 8-K May 21, 2018 May 18, 2018
10-Q Report | Data 10-Q May 3, 2018 Mar 31, 2018
8-K Report 8-K May 3, 2018 May 2, 2018
8-K Report 8-K Apr 30, 2018 Apr 26, 2018
8-K Report 8-K Mar 15, 2018 Mar 9, 2018
10-K Report | Data 10-K Feb 23, 2018 Dec 31, 2017
8-K Report 8-K Feb 22, 2018 Feb 22, 2018
SC 13G Report ALLIANT ENERGY CORPORATION Feb 13, 2018
SC 13G/A Report Feb 12, 2018
SC 13G/A Report Feb 8, 2018
8-K Report 8-K Jan 18, 2018 Jan 15, 2018
8-K Report 8-K Dec 11, 2017 Dec 7, 2017
8-K Report FORM 8-K Nov 15, 2017 Nov 9, 2017
10-Q Report | Data 10-Q Nov 3, 2017 Sep 30, 2017
8-K Report 8-K Nov 3, 2017 Nov 2, 2017
8-K Report FORM 8-K Oct 10, 2017 Oct 2, 2017
8-K Report 8-K Aug 21, 2017 Aug 16, 2017
8-K Report 8-K Aug 8, 2017 Aug 7, 2017
10-Q Report | Data 10-Q Aug 4, 2017 Jun 30, 2017
8-K Report | Data 8-K Aug 4, 2017 Aug 3, 2017
8-K Report 8-K May 25, 2017 May 23, 2017
8-K Report FORM 8-K May 9, 2017 May 9, 2017
10-Q Report | Data 10-Q May 4, 2017 Mar 31, 2017
8-K Report 8-K May 4, 2017 May 3, 2017
SC 13G/A Report Mar 10, 2017
10-K Report | Data 10-K Feb 24, 2017 Dec 31, 2016
8-K Report 8-K Feb 24, 2017 Feb 23, 2017
SC 13G Report ALLIANT ENERGY CORPORATION Feb 9, 2017
SC 13G/A Report Feb 9, 2017
SC 13G/A Report Jan 19, 2017
10-Q Report | Data 10-Q Nov 4, 2016 Sep 30, 2016
8-K Report 8-K Nov 4, 2016 Nov 3, 2016
8-K Report 8-K Oct 21, 2016 Oct 21, 2016
8-K Report 8-K Oct 7, 2016 Oct 7, 2016
8-K Report 8-K Sep 23, 2016 Sep 22, 2016
8-K Report FORM 8-K Sep 15, 2016 Sep 12, 2016
10-Q Report | Data 10-Q Aug 2, 2016 Jun 30, 2016
8-K Report 8-K Aug 2, 2016 Aug 1, 2016
8-K Report 8-K May 19, 2016 May 19, 2016
10-Q Report | Data 10-Q May 5, 2016 Mar 31, 2016
8-K Report | Data 8-K May 5, 2016 May 4, 2016
10-K Report | Data 10-K Feb 24, 2016 Dec 31, 2015
8-K Report 8-K Feb 23, 2016 Feb 22, 2016
SC 13G/A Report Feb 10, 2016
SC 13G/A Report Jan 8, 2016
10-Q Report | Data 10-Q Nov 6, 2015 Sep 30, 2015
8-K Report 8-K Nov 6, 2015 Nov 5, 2015
8-K Report 8-K Sep 24, 2015 Sep 21, 2015
8-K Report FORM 8-K Aug 18, 2015 Aug 13, 2015
10-Q Report | Data 10-Q Aug 6, 2015 Jun 30, 2015
8-K Report 8-K Aug 6, 2015 Jul 31, 2015
8-K Report 8-K Jul 27, 2015 Jul 27, 2015
8-K Report 8-K May 13, 2015 May 7, 2015
10-Q Report | Data 10-Q May 1, 2015 Mar 31, 2015
8-K Report 8-K May 1, 2015 Apr 30, 2015
8-K Report 8-K Mar 4, 2015 Mar 4, 2015
10-K Report | Data 10-K Feb 25, 2015 Dec 31, 2014
8-K Report 8-K Feb 24, 2015 Feb 23, 2015
SC 13G/A Report Feb 11, 2015
SC 13G/A Report Jan 9, 2015
8-K Report 8-K Dec 12, 2014 Dec 10, 2014
8-K Report 8-K Nov 24, 2014 Nov 17, 2014
10-Q Report | Data 10-Q Nov 7, 2014 Sep 30, 2014
8-K Report 8-K Nov 7, 2014 Nov 6, 2014
8-K Report FORM 8-K Oct 14, 2014 Oct 7, 2014
8-K Report 8-K Oct 14, 2014 Oct 6, 2014
10-Q Report | Data 10-Q Aug 7, 2014 Jun 30, 2014
8-K Report 8-K Aug 7, 2014 Aug 6, 2014
8-K Report 8-K May 16, 2014 May 13, 2014
10-Q Report | Data 10-Q May 2, 2014 Mar 31, 2014
8-K Report 8-K May 2, 2014 May 1, 2014
8-K Report 8-K Apr 1, 2014 Apr 1, 2014
8-K Report 8-K Mar 12, 2014 Mar 12, 2014
10-K Report | Data 10-K Feb 25, 2014 Dec 31, 2013
8-K Report 8-K Feb 25, 2014 Feb 25, 2014
8-K Report 8-K Feb 11, 2014 Feb 10, 2014
SC 13G Report Feb 10, 2014
8-K Report FORM 8-K Dec 13, 2013 Dec 13, 2013
10-Q Report | Data 10-Q Nov 7, 2013 Sep 30, 2013
8-K Report 8-K Nov 7, 2013 Nov 7, 2013
8-K Report FORM 8-K Oct 8, 2013 Oct 3, 2013
10-Q Report | Data 10-Q Aug 2, 2013 Jun 30, 2013
8-K Report 8-K Aug 2, 2013 Aug 2, 2013
8-K Report FORM 8-K Jul 29, 2013 Jul 29, 2013
8-K/A Report FORM 8-K/A Jun 28, 2013 May 9, 2013
8-K Report FORM 8-K May 13, 2013 May 9, 2013
10-Q Report | Data 10-Q May 3, 2013 Mar 31, 2013
8-K Report 8-K May 3, 2013 May 3, 2013
10-K Report | Data FORM 10-K Feb 26, 2013 Dec 31, 2012
8-K Report 8-K Feb 14, 2013 Feb 14, 2013
8-K Report FORM 8-K Nov 19, 2012 Nov 14, 2012
10-Q Report | Data FORM 10-Q Nov 9, 2012 Sep 30, 2012
8-K Report 8-K Nov 9, 2012 Nov 9, 2012
10-Q Report | Data FORM 10-Q Aug 3, 2012 Jun 30, 2012
8-K Report FORM 8K Aug 3, 2012 Aug 3, 2012
8-K Report 8-K May 18, 2012 May 17, 2012
10-Q Report | Data FORM 10-Q May 4, 2012 Mar 31, 2012
8-K Report FORM 8-K May 4, 2012 May 4, 2012
10-K Report | Data FORM 10-K Feb 27, 2012 Dec 31, 2011
8-K Report FORM 8-K Feb 10, 2012 Feb 10, 2012
8-K Report FORM 8-K Jan 20, 2012 Jan 20, 2012
8-K Report FORM 8-K Dec 19, 2011 Dec 14, 2011
8-K Report FORM 8-K Dec 5, 2011 Dec 1, 2011
10-Q Report | Data FORM 10-Q Nov 3, 2011 Sep 30, 2011
8-K Report FORM 8-K Nov 3, 2011 Nov 3, 2011
8-K Report FORM 8-K Oct 24, 2011 Oct 24, 2011
8-K/A Report FORM 8-K AMENDMENT NO. 1 Oct 11, 2011 Jul 26, 2011
8-K Report FORM 8-K Aug 12, 2011 Aug 12, 2011
10-Q Report | Data FORM 10-Q Aug 5, 2011 Jun 30, 2011
8-K Report FORM 8-K Aug 4, 2011 Aug 4, 2011
8-K Report FORM 8-K Jul 27, 2011 Jul 26, 2011
8-K Report FORM 8-K May 13, 2011 May 10, 2011
10-Q Report | Data FORM 10-Q May 5, 2011 Mar 31, 2011
8-K Report FORM 8-K May 5, 2011 May 5, 2011
10-K Report | Data FORM 10-K Feb 28, 2011 Dec 31, 2010
8-K Report FORM 8-K Feb 10, 2011 Feb 10, 2011
8-K Report FORM 8-K Feb 9, 2011 Feb 8, 2011
8-K Report FORM 8-K Dec 21, 2010 Dec 20, 2010
8-K Report FORM 8-K Dec 14, 2010 Dec 8, 2010
8-K Report FORM 8-K Nov 19, 2010 Nov 15, 2010
8-K Report FORM 8-K Oct 29, 2010 Oct 27, 2010
10-Q Report | Data FORM 10-Q Oct 29, 2010 Sep 30, 2010
8-K Report FORM 8-K Oct 29, 2010 Oct 29, 2010
8-K Report FORM 8-K Aug 24, 2010 Aug 23, 2010
10-Q Report | Data FORM 10-Q Aug 5, 2010 Jun 30, 2010
8-K Report FORM 8K 08/05/10 Aug 5, 2010 Aug 5, 2010
8-K Report FORM 8-K Jun 11, 2010 Jun 10, 2010
8-K Report FORM 8-K Jun 8, 2010 Jun 3, 2010
8-K Report FORM 8-K Jun 4, 2010 May 28, 2010
8-K Report FORM 8-K May 25, 2010 May 20, 2010
10-Q Report FORM 10-Q May 5, 2010 Mar 31, 2010
8-K Report FORM 8K 05/04/10 May 4, 2010 May 4, 2010
10-K Report FORM 10-K 12/31/09 Feb 26, 2010 Dec 31, 2009
8-K Report FORM 8-K Feb 16, 2010 Feb 10, 2010
8-K Report FORM 8-K 02/04/10 Feb 4, 2010 Feb 4, 2010
8-K Report FORM 8-K Jan 25, 2010 Jan 22, 2010