DEFA14AThe Ballot
COLUMBIA BANKING SYSTEM, INC. files DEFA14A
Filed Mar 31, 2026 · 3mo ago · Accession 0000887343-26-000127
Plain English
DEFA14A filed with the SEC.
Read the source below for the full document.
Filing details
- Ticker
- COLB
- CIK
- 887343
- Form type
- DEFA14A
- Filing date
- Mar 31, 2026
- Report date
- —
- Document
- defa14a2026.htm
- Size
- 2.3 MB