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CIK 0000887343 · Large accelerated filer

COLUMBIA BANKING SYSTEM, INC.

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Ticker
COLB
Exchange
Nasdaq
Industry
State Commercial Banks
FY end
Dec 31
Incorporated
WA
Entity type
operating
EIN
911422237
Phone
2533051900
Business address
1301 A STREET, TACOMA, WA, 98402
Former names
COLUMBIA BANKING SYSTEM INC
  1. 4 Insider Changes in Ownership
  2. 4 Insider Changes in Ownership
  3. 4 Insider Changes in Ownership
  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. 8-K Event Other events
  9. 8-K Event Shareholder vote results
  10. SCHEDULE 13G Stake Statement of Beneficial Ownership
  11. 10-Q Report Quarterly Report
  12. 425 Deal Prospectus/Communication re Business Combination
  13. 8-K Event Regulation FD disclosure
  14. 425 Deal Prospectus/Communication re Business Combination
  15. 8-K Event Material agreement
  16. 425 Deal Prospectus/Communication re Business Combination
  17. 425 Deal Prospectus/Communication re Business Combination
  18. 425 Deal Prospectus/Communication re Business Combination
  19. 425 Deal Prospectus/Communication re Business Combination
  20. 425 Deal Prospectus/Communication re Business Combination

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