Company · CIK 352541
ALLIANT ENERGY CORP
| CIK | 352541 (SEC EDGAR) |
|---|---|
| Industry (SIC) | 4931 — Electric & Other Services Combined |
| Incorporated in | WI |
| Business address | WI |
| Listed | LNT (Nasdaq) |
| First annual or quarterly report | 1994-02-07 |
Offerings
15 registrations| Registration | Label and status | First filed | Last event | Filings |
|---|---|---|---|---|
| 333-276062 | 2023-12-15 | 2026-03-19 | 5 | |
| 333-275338 | 2023-11-06 | 2023-11-06 | 1 | |
| 333-251353 | 2020-12-15 | 2022-12-15 | 2 | |
| 333-249909 | 2020-11-06 | 2020-11-06 | 1 | |
| 333-222076 | 2017-12-15 | 2019-11-14 | 4 | |
| 333-221355 | 2017-11-06 | 2017-11-06 | 1 | |
| 333-200941 | 2014-12-15 | 2017-05-09 | 3 | |
| 333-200036 | 2014-11-10 | 2014-11-10 | 1 | |
| 333-178577 | 2011-12-16 | 2011-12-16 | 1 | |
| 333-177871 | 2011-11-09 | 2011-11-09 | 1 | |
| 333-162214 | 2009-09-30 | 2009-10-01 | 3 | |
| 333-155573 | 2008-11-21 | 2008-11-21 | 1 | |
| 333-114361 | 2004-04-09 | 2004-04-09 | 1 | |
| 333-114062 | 2004-03-31 | 2004-03-31 | 1 | |
| 333-104269 | 2003-04-02 | 2003-07-03 | 3 |
Filings
31| Filed | Filing | Registration | Accession |
|---|---|---|---|
| 2026-03-19 | 424B5Shelf takedown | 333-276062 | 0001193125-26-116238 |
| 2025-09-25 | 424B5Shelf takedown | 333-276062 | 0001193125-25-216952 |
| 2025-09-23 | 424B5Shelf takedown | 333-276062 | 0001193125-25-212360 |
| 2025-05-09 | 424B5Shelf takedown | 333-276062 | 0001193125-25-116988 |
| 2023-12-15 | S-3ASRShelf registered | 333-276062 | 0000352541-23-000122 |
| 2023-11-06 | S-3ASRShelf registered | 333-275338 | 0000352541-23-000110 |
| 2022-12-15 | 424B5Shelf takedown | 333-251353 | 0001193125-22-304961 |
| 2020-12-15 | S-3ASRShelf registered | 333-251353 | 0001193125-20-318103 |
| 2020-11-06 | S-3ASRShelf registered | 333-249909 | 0001193125-20-287796 |
| 2019-11-14 | 424B5Shelf takedown | 333-222076 | 0001193125-19-291652 |
| 2018-12-13 | 424B5Shelf takedown | 333-222076 | 0001193125-18-348851 |
| 2018-05-21 | 424B5Shelf takedown | 333-222076 | 0001193125-18-168293 |
| 2017-12-15 | S-3ASRShelf registered | 333-222076 | 0001193125-17-370362 |
| 2017-11-06 | S-3ASRShelf registered | 333-221355 | 0001193125-17-333165 |
| 2017-05-09 | 424B5Shelf takedown | 333-200941 | 0001193125-17-164381 |
| 2015-03-04 | 424B5Shelf takedown | 333-200941 | 0001193125-15-076990 |
| 2014-12-15 | S-3ASRShelf registered | 333-200941 | 0001193125-14-442050 |
| 2014-11-10 | S-3ASRShelf registered | 333-200036 | 0001193125-14-404464 |
| 2011-12-16 | S-3ASRShelf registered | 333-178577 | 0001193125-11-343983 |
| 2011-11-09 | S-3ASRShelf registered | 333-177871 | 0001193125-11-304822 |
| 2009-10-01 | 424B5Shelf takedown | 333-162214 | 0001193125-09-201764 |
| 2009-09-30 | 424B5Shelf takedown | 333-162214 | 0001193125-09-200769 |
| 2009-09-30 | S-3ASRShelf registered | 333-162214 | 0001193125-09-200760 |
| 2008-11-21 | S-3ASRShelf registered | 333-155573 | 0000897069-08-001787 |
| 2004-07-16 | RWWithdrawn | 070-09717 | 0000950120-04-000460 |
| 2004-04-09 | S-3Shelf registered | 333-114361 | 0000897069-04-000790 |
| 2004-03-31 | S-3Shelf registered | 333-114062 | 0000897069-04-000729 |
| 2004-01-27 | RWWithdrawn | 070-09891 | 0000950120-04-000067 |
| 2003-07-03 | 424B5Shelf takedown | 333-104269 | 0001193125-03-016615 |
| 2003-06-30 | 424B5Shelf takedown | 333-104269 | 0001193125-03-014766 |
| 2003-04-02 | S-3Shelf registered | 333-104269 | 0000897069-03-000407 |