Skip to content
S
SEC Filings Hub
Explore
Search firms, companies, tickers…
Ctrl/⌘ K
Live feed
Filing
Form 3
Form 3
0000887343-25-000277
·
COLUMBIA BANKING SYSTEM, INC.
Filer
Filing index
Filing metadata
Accession number
0000887343-25-000277
Form type
Form 3
Filer
COLUMBIA BANKING SYSTEM, INC.
CIK
CIK 887343
Filed
Dec 01, 2025
Reporting period
Nov 20, 2025
Description
Initial ownership
Documents
Filing index
0000887343-25-000277-index.htm
Complete submission
0000887343-25-000277.txt
All documents
directory listing
Filed by
COLUMBIA BANKING SYSTEM, INC.
CIK 887343
Explore SEC Filings Hub
Overview
Explore
Funds & firms
Most held stocks
Politicians
Company insiders
Policy & Legislation
Research
Compare investors
Find a security
Latest filings