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CIK 0000352541 · Large accelerated filer

ALLIANT ENERGY CORP

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Ticker
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
  1. U-1/A Other U-1/A
  2. 10-Q Report Quarterly Report
  3. 10-Q Report Quarterly Report
  4. 424B3 Offering Prospectus
  5. 10-Q Report Quarterly Report
  6. S-3 Offering Registration Statement
  7. 10-K405 Other 10-K405
  8. DEF 14A Proxy Proxy Statement
  9. 10-Q Report Quarterly Report
  10. U-1/A Other U-1/A
  11. DEFA14A Proxy Proxy Materials
  12. DEFA14A Proxy Proxy Materials
  13. DEFA14A Proxy Proxy Materials
  14. DEFA14A Proxy Proxy Materials
  15. DEFA14A Proxy Proxy Materials
  16. DEFA14A Proxy Proxy Materials
  17. 8-K Event Item 5 · Item 7
  18. S-4/A Deal Registration Statement - Business Combination
  19. DEFA14A Proxy Proxy Materials
  20. DEFA14A Proxy Proxy Materials

Page 155 of 157 · 3,132 filings