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 3,120 SEC EDGAR filings since 07 Feb 1994

SEC filing history

Showing 176-198 of 198 matching filings.

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25
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8
8-K/A File 001-09894

FORM 8-K AMENDMENT NO. 1

Filing date
11 Oct 2011
Reporting date
26 Jul 2011
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8-K File 001-09894

FORM 8-K

Filing date
12 Aug 2011
Reporting date
12 Aug 2011
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8-K File 001-09894

FORM 8-K

Filing date
04 Aug 2011
Reporting date
04 Aug 2011
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8-K File 001-09894

FORM 8-K

Filing date
27 Jul 2011
Reporting date
26 Jul 2011
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8-K File 001-09894

FORM 8-K

Filing date
13 May 2011
Reporting date
10 May 2011
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8-K File 001-09894

FORM 8-K

Filing date
05 May 2011
Reporting date
05 May 2011
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8-K File 001-09894

FORM 8-K

Filing date
10 Feb 2011
Reporting date
10 Feb 2011
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8-K File 001-09894

FORM 8-K

Filing date
09 Feb 2011
Reporting date
08 Feb 2011
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8-K File 001-09894

FORM 8-K

Filing date
21 Dec 2010
Reporting date
20 Dec 2010
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8-K File 001-09894

FORM 8-K

Filing date
14 Dec 2010
Reporting date
08 Dec 2010
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8-K File 001-09894

FORM 8-K

Filing date
19 Nov 2010
Reporting date
15 Nov 2010
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8-K File 001-09894

FORM 8-K

Filing date
29 Oct 2010
Reporting date
27 Oct 2010
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8-K File 001-09894

FORM 8-K

Filing date
29 Oct 2010
Reporting date
29 Oct 2010
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8-K File 001-09894

FORM 8-K

Filing date
24 Aug 2010
Reporting date
23 Aug 2010
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8-K File 001-09894

FORM 8K 08/05/10

Filing date
05 Aug 2010
Reporting date
05 Aug 2010
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8-K File 001-09894

FORM 8-K

Filing date
11 Jun 2010
Reporting date
10 Jun 2010
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8-K File 001-09894

FORM 8-K

Filing date
08 Jun 2010
Reporting date
03 Jun 2010
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8-K File 001-09894

FORM 8-K

Filing date
04 Jun 2010
Reporting date
28 May 2010
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8-K File 001-09894

FORM 8-K

Filing date
25 May 2010
Reporting date
20 May 2010
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8-K File 001-09894

FORM 8K 05/04/10

Filing date
04 May 2010
Reporting date
04 May 2010
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8-K File 001-09894

FORM 8-K

Filing date
16 Feb 2010
Reporting date
10 Feb 2010
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8-K File 001-09894

FORM 8-K 02/04/10

Filing date
04 Feb 2010
Reporting date
04 Feb 2010
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8-K File 001-09894

FORM 8-K

Filing date
25 Jan 2010
Reporting date
22 Jan 2010
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