Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0000887343-25-000152
Filing Date
2025-04-03
Accepted
2025-04-03 16:32:56
Documents
57
Period of Report
2025-05-15

Document Format Files

Seq Description Document Type Size
1 DEF 14A colb-20250403.htm   iXBRL DEF 14A 3634837
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  Complete submission text file 0000887343-25-000152.txt   51298482

Data Files

Seq Description Document Type Size
2 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT colb-20250403.xsd EX-101.SCH 942
59 EXTRACTED XBRL INSTANCE DOCUMENT colb-20250403_htm.xml XML 293905
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: DEF 14A | Act: 34 | File No.: 000-20288 | Film No.: 25810091
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)