Form 8-K - Current report:
SEC Accession No. 0001193125-25-264630
Filing Date
2025-11-04
Accepted
2025-11-04 16:02:52
Documents
15
Period of Report
2025-10-29
Items
Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K d846413d8k.htm   iXBRL 8-K 32037
2 EX-10.1 d846413dex101.htm EX-10.1 19193
3 EX-99.1 d846413dex991.htm EX-99.1 7395
7 GRAPHIC g846413g1104224212784.jpg GRAPHIC 4826
  Complete submission text file 0001193125-25-264630.txt   188087

Data Files

Seq Description Document Type Size
4 XBRL TAXONOMY EXTENSION SCHEMA colb-20251029.xsd EX-101.SCH 2890
5 XBRL TAXONOMY EXTENSION LABEL LINKBASE colb-20251029_lab.xml EX-101.LAB 17233
6 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE colb-20251029_pre.xml EX-101.PRE 10838
17 EXTRACTED XBRL INSTANCE DOCUMENT d846413d8k_htm.xml XML 3490
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: 8-K | Act: 34 | File No.: 000-20288 | Film No.: 251448841
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)