ALLIANT ENERGY CORP reports

Company location: Madison, WI
Fiscal year end: 31 December

ALLIANT ENERGY CORP has filed 3,107 SEC EDGAR filings since 07 Feb 1994

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SEC filing history

Showing 326-350 of 1,000 matching filings.

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25

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14

8-K File 001-09894

8-K

Filing date: 16 Sep 2021
Reporting date: 13 Sep 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

10-Q File 001-09894

10-Q

Filing date: 06 Aug 2021
Reporting date: 30 Jun 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-09894

8-K

Filing date: 06 Aug 2021
Reporting date: 05 Aug 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

3

FORM 3

Filing date: 15 Jul 2021
Reporting date: 14 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-09894

8-K

Filing date: 15 Jul 2021
Reporting date: 14 Jul 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4

Filing date: 13 Jul 2021
Reporting date: 09 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 13 Jul 2021
Reporting date: 09 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 13 Jul 2021
Reporting date: 09 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 13 Jul 2021
Reporting date: 09 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 13 Jul 2021
Reporting date: 09 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

11-K File 001-09894

11-K

Filing date: 17 Jun 2021
Reporting date: 31 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-09894

8-K

Filing date: 25 May 2021
Reporting date: 20 May 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

10-Q File 001-09894

10-Q

Filing date: 07 May 2021
Reporting date: 31 Mar 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-09894

8-K

Filing date: 07 May 2021
Reporting date: 06 May 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4

Filing date: 09 Apr 2021
Reporting date: 08 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 09 Apr 2021
Reporting date: 08 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 09 Apr 2021
Reporting date: 08 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 09 Apr 2021
Reporting date: 08 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 09 Apr 2021
Reporting date: 08 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFA14A File 001-09894

DEFA14A

Filing date: 01 Apr 2021
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 001-09894

DEF 14A

Filing date: 01 Apr 2021
Reporting date: 20 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

FORM 4/A

Filing date: 04 Mar 2021
Reporting date: 01 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

FORM 4/A

Filing date: 04 Mar 2021
Reporting date: 01 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

FORM 4/A

Filing date: 04 Mar 2021
Reporting date: 01 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

FORM 4/A

Filing date: 04 Mar 2021
Reporting date: 01 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

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