Dudediligence.

Alliant Energy Corporation

LNTNASDAQ · Electric & Other Services Combined
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Filings

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The annual , the quarterly and the filed between them when something material happens.

  1. Aug 218-KOther events8.019.01
  2. Jul 3110-QQuarterly report
  3. Jul 308-KResults of operations2.029.01
  4. May 218-KShareholder vote5.07
  5. May 110-QQuarterly report
  6. Apr 308-KResults of operations2.029.01
  7. Mar 198-KMaterial agreement1.019.01
  8. Mar 19424B5Prospectus for an offering
  9. Mar 48-KMaterial agreement and new debt or obligation1.012.039.01
  10. Feb 2010-KAnnual report
  11. Feb 198-KResults of operations2.029.01
  12. Jan 88-KOfficer or director change5.02
  13. Dec 16, 20258-KOfficer or director change5.02
  14. Dec 5, 20258-KOther events8.019.01
  15. Nov 7, 202510-QQuarterly report
  16. Nov 6, 20258-KResults of operations2.029.01
  17. Sep 25, 20258-KOther events8.019.01
  18. Sep 25, 2025424B5Prospectus for an offering
  19. Sep 23, 2025424B5Prospectus for an offering
  20. Sep 11, 20258-KOther events8.019.01
  21. Aug 8, 202510-QQuarterly report
  22. Aug 7, 20258-KResults of operations2.029.01
  23. May 20, 20258-KShareholder vote5.07
  24. May 19, 20258-KOther events8.019.01
  25. May 15, 20258-KMaterial agreement and unregistered sale of shares1.012.033.028.019.01
  26. May 9, 20258-KMaterial agreement1.019.01
  27. May 9, 2025424B5Prospectus for an offering
  28. May 9, 202510-QQuarterly report
  29. May 8, 20258-KResults of operations2.029.01
  30. Mar 10, 20258-KOfficer or director change5.02
  31. Mar 3, 20258-KMaterial agreement and new debt or obligation1.012.039.01
  32. Feb 21, 202510-KAnnual report
  33. Feb 20, 20258-KResults of operations2.029.01
  34. Feb 11, 20258-KOfficer or director change5.02
  35. Dec 18, 20248-KNew debt or obligation2.039.01
  36. Nov 1, 202410-QQuarterly report
  37. Oct 31, 20248-KResults of operations2.029.01