Columbia Banking System, INC. (COLB) SEC Filings — 2026
2 SEC filings for Columbia Banking System, INC. (COLB) in 2026.
Filings
- Columbia Banking System, INC. 8-K Filing — 8-K · Apr 23, 2026
- Columbia Banking System Files 8-K with Q1 2026 Financials — 8-K · Mar 31, 2026