Form 8-K - Current report:
SEC Accession No. 0001193125-25-094676
Filing Date
2025-04-25
Accepted
2025-04-25 06:15:55
Documents
14
Period of Report
2025-04-23
Items
Item 1.01: Entry into a Material Definitive Agreement
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K d677345d8k.htm   iXBRL 8-K 51039
2 EX-2.1 d677345dex21.htm EX-2.1 522357
  Complete submission text file 0001193125-25-094676.txt   821795

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA colb-20250423.xsd EX-101.SCH 2892
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE colb-20250423_lab.xml EX-101.LAB 17235
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE colb-20250423_pre.xml EX-101.PRE 10840
16 EXTRACTED XBRL INSTANCE DOCUMENT d677345d8k_htm.xml XML 3484
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.: 25869779
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)