FilingIndex
11-KThe Record

COLUMBIA BANKING SYSTEM, INC. files 11-K

Filed Mar 31, 2026 · 3mo ago · Accession 0000887343-26-000119

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
Mar 31, 2026
Report date
Dec 31, 2025
Document
colb-20260331.htm
Size
575 KB