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-1/A Other U-1/A
- RW Other RW
- POS AMC Other POS AMC
- U-1/A Other U-1/A
- 8-K Event Item 5
- 35-CERT Other 35-CERT
- S-4/A Deal Registration Statement - Business Combination
- 35-CERT Other 35-CERT
- 424B3 Offering Prospectus
- 8-K Event Item 5 · Item 7
- 8-K Event Item 5 · Item 7
- U-1 Other U-1
- 8-K Event Item 5 · Item 7
- 8-K/A Event Item 5 · Item 7
- 8-K Event Item 5 · Item 7
- POS AMC Other POS AMC
- U-1 Other U-1
- S-4 Deal Registration Statement - Business Combination
- U-57 Other U-57
- S-8 Other Securities Offered to Employees in Benefit Plans
Page 150 of 157 · 3,132 filings