Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Madison, WI
SEC filing record 1 source field available
Fiscal year end
31 December
ALLIANT ENERGY CORP has filed 3,107 SEC EDGAR filings since 07 Feb 1994

SEC filing history

Showing 101-125 of 1,000 matching filings.

Per page
25
Current page
5
4

FORM 4

Filing date
24 Feb 2025
Reporting date
20 Feb 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
24 Feb 2025
Reporting date
20 Feb 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
14 Jan 2025
Reporting date
10 Jan 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
14 Jan 2025
Reporting date
10 Jan 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
14 Jan 2025
Reporting date
10 Jan 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
14 Jan 2025
Reporting date
10 Jan 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
14 Jan 2025
Reporting date
10 Jan 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
14 Jan 2025
Reporting date
10 Jan 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
20 Nov 2024
Reporting date
20 Nov 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-44529

SC 13G/A filing

Filing date
16 Oct 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
15 Oct 2024
Reporting date
11 Oct 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
15 Oct 2024
Reporting date
11 Oct 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
15 Oct 2024
Reporting date
11 Oct 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
15 Oct 2024
Reporting date
11 Oct 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
15 Oct 2024
Reporting date
11 Oct 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
15 Oct 2024
Reporting date
11 Oct 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
15 Oct 2024
Reporting date
11 Oct 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .