Dudediligence.

Columbia Banking System, Inc

COLBNASDAQ · State Commercial Banks
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Filings

Newest first

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

  1. Sep 308-KRegulation FD disclosure7.019.01
  2. Aug 148-KOther events8.019.01
  3. Aug 410-QQuarterly report
  4. Jul 308-KOfficer or director change and Regulation FD disclosure5.027.019.01
  5. Jul 238-KResults of operations and Regulation FD disclosure2.027.019.01
  6. Jun 308-KRegulation FD disclosure7.019.01
  7. May 158-KOther events8.019.01
  8. May 158-KShareholder vote5.07
  9. May 510-QQuarterly report
  10. Apr 238-KResults of operations and Regulation FD disclosure2.027.019.01
  11. Mar 318-KRegulation FD disclosure7.019.01
  12. Feb 2610-KAnnual report
  13. Feb 138-KOther events8.019.01
  14. Jan 228-KResults of operations and Regulation FD disclosure2.027.019.01
  15. Dec 31, 20258-KRegulation FD disclosure7.019.01
  16. Nov 21, 20258-KOfficer or director change5.02
  17. Nov 14, 20258-KOther events8.019.01
  18. Nov 5, 202510-QQuarterly report
  19. Nov 4, 20258-KOfficer or director change and Regulation FD disclosure5.027.019.01
  20. Oct 30, 20258-KResults of operations and Regulation FD disclosure2.027.019.01
  21. Sep 3, 20258-K/AFinancial statements and exhibits (amended)9.01
  22. Sep 2, 20258-KAcquisition or sale of assets completed and officer or director change2.015.027.019.01
  23. Aug 29, 20258-KRegulation FD disclosure7.019.01
  24. Aug 15, 20258-KOther events8.019.01
  25. Aug 6, 202510-QQuarterly report
  26. Aug 6, 20258-KRegulation FD disclosure and other events7.018.019.01
  27. Jul 24, 20258-KResults of operations and Regulation FD disclosure2.027.019.01
  28. Jul 21, 20258-KRegulation FD disclosure and shareholder vote5.077.019.01
  29. Jul 11, 20258-KOther events8.01
  30. Jun 30, 20258-KRegulation FD disclosure7.019.01
  31. Jun 16, 2025424B3Prospectus for an offering
  32. May 16, 20258-KOther events8.019.01
  33. May 15, 20258-KShareholder vote5.07
  34. May 6, 202510-QQuarterly report
  35. May 5, 20258-KRegulation FD disclosure7.019.01
  36. Apr 25, 20258-KMaterial agreement1.019.01
  37. Apr 23, 20258-KRegulation FD disclosure and other events7.018.019.01
  38. Apr 23, 20258-KResults of operations and Regulation FD disclosure2.027.019.01
  39. Apr 2, 20258-KOfficer or director change and Regulation FD disclosure5.027.019.01
  40. Mar 31, 20258-KRegulation FD disclosure7.019.01
  41. Mar 27, 20258-KRegulation FD disclosure7.01
  42. Feb 25, 202510-KAnnual report
  43. Feb 14, 20258-KOther events8.019.01
  44. Jan 23, 20258-KResults of operations and Regulation FD disclosure2.027.019.01
  45. Dec 31, 20248-KRegulation FD disclosure7.019.01
  46. Nov 15, 20248-KOther events8.019.01
  47. Nov 5, 202410-QQuarterly report
  48. Oct 24, 20248-KResults of operations and Regulation FD disclosure2.027.019.01