secwatch / observer
COLB COLUMBIA BANKING SYSTEM, INC.
CIK 0000887343 42 ready 8-Ks latest April 23, 2026, 7:59 PM ET RSS · JSON
Activity: NORMAL 2 filings / 30d vs 2 baseline
Ready 8-Ks 42
Latest filing May 15, 2026, 1:42 PM ET
Top materiality 0.90
Event mix dividend ×9 · earnings ×8 · other_material ×7
Sentiment 11 pos · 1 neg · 30 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for COLB

Executive changes

Departed

Cort O'Haver

Executive Chair
COLB · COLUMBIA BANKING SYSTEM, INC.
Effective
2025-03-31
Successor
Maria Pope
Filed
April 2, 2025, 7:59 PM ET
On March 30, 2025, the board of directors of Columbia Banking System, Inc. (the "Company") determined that Mr. Cort O’Haver, the Executive Chair of the Company’s board of directors, would no longer serve as Executive Chair, effective as of March 31, 2025.
Appointed

Maria Pope

independent, non-executive chair
COLB · COLUMBIA BANKING SYSTEM, INC.
Effective
2025-04-01
Filed
April 2, 2025, 7:59 PM ET
the board elected director Maria Pope to serve as the independent, non-executive chair of the Company’s board of directors, effective April 1, 2025.

Earnings & guidance

2026-Q1 EPS reported $0.66 filing →

Materiality & sentiment trend

Max materiality 0.90 · Median 0.43 · Most common event dividend

11 positive 1 negative 30 neutral

source · COLB on sec.gov