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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. S-3ASR Offering Registration Statement
  2. S-3ASR Offering Registration Statement
  3. 11-K Other Annual Report
  4. DEFA14A Proxy Proxy Materials
  5. DEFA14A Proxy Proxy Materials
  6. 11-K Other Annual Report
  7. S-8 Other Securities Offered to Employees in Benefit Plans
  8. S-8 POS Other Post-effective Amendment
  9. S-8 POS Other Post-effective Amendment
  10. 11-K Other Annual Report
  11. ARS Other Annual Report to Security Holders
  12. NO ACT Other No Action Letter
  13. S-3ASR Offering Registration Statement
  14. S-3ASR Offering Registration Statement
  15. 11-K Other Annual Report
  16. ARS Other Annual Report to Security Holders
  17. 11-K Other Annual Report
  18. ARS Other Annual Report to Security Holders
  19. 11-K Other Annual Report
  20. ARS Other Annual Report to Security Holders

Page 3 of 19 · 368 filings