Form 424B3 - Prospectus [Rule 424(b)(3)]:
SEC Accession No. 0001193125-25-141452
Filing Date
2025-06-16
Accepted
2025-06-16 16:34:08
Documents
11

Document Format Files

Seq Description Document Type Size
1 424B3 d936202d424b3.htm 424B3 2210850
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10 GRAPHIC g936202g12g61.jpg GRAPHIC 60482
11 GRAPHIC g936202g80u43.jpg GRAPHIC 57582
  Complete submission text file 0001193125-25-141452.txt   2803108
Mailing Address 1301 A STREET TACOMA WA 98402
Business Address 1301 A STREET TACOMA WA 98402 2533051900
COLUMBIA BANKING SYSTEM, INC. (Filer) CIK: 0000887343 (see all company filings)

EIN.: 911422237 | State of Incorp.: WA | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-287607 | Film No.: 251050665
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)