FilingIndex
11-KThe Record

COLUMBIA BANKING SYSTEM, INC. files 11-K

Filed Jun 25, 2026 · 4d ago · Accession 0000887343-26-000156

Plain English

11-K filed with the SEC.

Read the source below for the full document.

Read the original on SEC.gov ↗
Filing details
Ticker
COLB
CIK
887343
Form type
11-K
Filing date
Jun 25, 2026
Report date
Dec 31, 2025
Document
colb-20260625.htm
Size
2.2 MB