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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. CORRESP Other Correspondence Between Filers and SEC Staff
  2. 4 Insider Changes in Ownership
  3. UPLOAD Other SEC-generated Letter
  4. 4 Insider Changes in Ownership
  5. 4 Insider Changes in Ownership
  6. 4 Insider Changes in Ownership
  7. 4 Insider Changes in Ownership
  8. 4 Insider Changes in Ownership
  9. 4 Insider Changes in Ownership
  10. 4 Insider Changes in Ownership
  11. 4 Insider Changes in Ownership
  12. 11-K Other Annual Report
  13. 4 Insider Changes in Ownership
  14. 4 Insider Changes in Ownership
  15. 4 Insider Changes in Ownership
  16. 8-K Event Shareholder vote results
  17. 4 Insider Changes in Ownership
  18. 4 Insider Changes in Ownership
  19. S-8 Other Securities Offered to Employees in Benefit Plans
  20. S-8 POS Other Post-effective Amendment

Page 35 of 157 · 3,132 filings