ALLIANT ENERGY CORP — S-4 Filings
5 S-4 filings on record
This page lists all S-4 filings submitted to the SEC by ALLIANT ENERGY CORP (LNT), sorted by most recent first. Each row links to the full filing on EdgarLookup. ALLIANT ENERGY CORP has filed 5 S-4 documents with the SEC since 2013. To view all SEC filings by ALLIANT ENERGY CORP, see the full filings list.
All
10-K
10-K/A
10-K405
10-K405/A
10-Q
10-Q/A
11-K
15-15D
25
3
3/A
35-CERT
35-CERT/A
4
4/A
424B2
424B3
424B5
5
5/A
8-A12B
8-A12B/A
8-K
8-K/A
ARS
CERT
CORRESP
CT ORDER
DEF 14A
DEFA14A
FWP
NO ACT
NT 10-K
NT 11-K
POS AMC
POSASR
PRE 14A
PX14A6G
RW
S-3
S-3/A
S-3ASR
S-3D
S-3MEF
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G/A
SE
U-1
U-1/A
U-12-IB
U-13-60
U-57
U-6B-2
U-6B-2/A
U-9C-3
U5A
U5B
U5B/A
U5S
U5S/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| S-4 | S-4 REGISTRATION STMT. | 0000897069-03-000471 | Apr 18, 2003 | — |
| S-4 | S-4 REGISTRATION STATEMENT | 0000950124-01-504305 | Dec 13, 2001 | — |
| S-4 | FORM S-4 | 0000950124-99-006502 | Dec 16, 1999 | — |
| S-4 | S-4 | 0000912057-96-018226 | Aug 19, 1996 | — |
| S-4 | S-4 | 0000912057-96-014298 | Jul 11, 1996 | — |