ALLIANT ENERGY CORP reports

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

ALLIANT ENERGY CORP has filed 3,116 SEC EDGAR filings since 07 Feb 1994

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SEC filing history

Showing 151-175 of 1,000 matching filings.

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25

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7

3

FORM 3

Filing date: 09 May 2024
Reporting date: 01 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-09894

10-Q

Filing date: 03 May 2024
Reporting date: 31 Mar 2024
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-09894

8-K

Filing date: 03 May 2024
Reporting date: 02 May 2024
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4

Filing date: 16 Apr 2024
Reporting date: 12 Apr 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 16 Apr 2024
Reporting date: 12 Apr 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 16 Apr 2024
Reporting date: 12 Apr 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 16 Apr 2024
Reporting date: 12 Apr 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 16 Apr 2024
Reporting date: 12 Apr 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 16 Apr 2024
Reporting date: 12 Apr 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

ARS File 001-09894

ARS

Filing date: 02 Apr 2024
Reporting date: 31 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFA14A File 001-09894

DEFA14A

Filing date: 02 Apr 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 001-09894

DEF 14A

Filing date: 02 Apr 2024
Reporting date: 17 May 2024
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

3

FORM 3

Filing date: 01 Apr 2024
Reporting date: 01 Apr 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-09894

8-K

Filing date: 08 Mar 2024
Reporting date: 07 Mar 2024
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-09894

8-K

Filing date: 07 Mar 2024
Reporting date: 04 Mar 2024
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-09894

8-K

Filing date: 05 Mar 2024
Reporting date: 01 Mar 2024
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4

Filing date: 20 Feb 2024
Reporting date: 15 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 20 Feb 2024
Reporting date: 15 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 20 Feb 2024
Reporting date: 15 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 20 Feb 2024
Reporting date: 15 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 20 Feb 2024
Reporting date: 15 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 20 Feb 2024
Reporting date: 15 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 20 Feb 2024
Reporting date: 15 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

10-K File 001-09894

10-K

Filing date: 16 Feb 2024
Reporting date: 31 Dec 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-09894

8-K

Filing date: 16 Feb 2024
Reporting date: 15 Feb 2024
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

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