CIK 0000352541 · Large accelerated filer
ALLIANT ENERGY CORP
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- LNT
- Exchange
- Nasdaq
- Industry
- Electric & Other Services Combined
- FY end
- Dec 31
- Incorporated
- WI
- Entity type
- operating
- EIN
- 391380265
- Phone
- 608-458-3311
- Business address
- 4902 NORTH BILTMORE LANE, SUITE 1000, MADISON, WI, 53718-2148
- Former names
- ALLIANT ENERGY CORP, INTERSTATE ENERGY CORP, WPL HOLDINGS INC
- U-9C-3 Other U-9C-3
- S-8 Other Securities Offered to Employees in Benefit Plans
- S-8 Other Securities Offered to Employees in Benefit Plans
- 10-Q Report Quarterly Report
- U-6B-2 Other U-6B-2
- SE Other SE
- U5S Other U5S
- ARS Other Annual Report to Security Holders
- DEF 14A Proxy Proxy Statement
- 35-CERT Other 35-CERT
- 10-K405 Other 10-K405
- U-9C-3 Other U-9C-3
- U-1/A Other U-1/A
- NO ACT Other No Action Letter
- 8-K/A Event Item 7
- POS AMC Other POS AMC
- U-6B-2/A Other U-6B-2/A
- 35-CERT Other 35-CERT
- U-1 Other U-1
- U-6B-2 Other U-6B-2
Page 143 of 157 · 3,132 filings