COLUMBIA BANKING SYSTEM, INC.

COLB · Banks · Nasdaq · As of 10 Sep 2026

FundamentalsBalanced
ValueNot enough data yet
News flowBalanced
MomentumBalanced
SafetyStrong

Overall confidence 54/100 — a solid read; one perspective is still filling in

Discovery Gap: Medium (20/100) · Gap confidence 55/100Some evidence isn't yet fully priced in.

This month at a glance

AIR Score™ change: -1Slipped -1 on softer inputs.

Cycle window9 Sep 2026 → 10 Sep 2026

Momentum-1Weighed on the latest score.

Evidence timeline

[8-K 8.01] COLUMBIA BANKING SYSTEM, INC. — Other EventsSEC · SEC EDGAR
Aug 14, 2026 · 8-K
[8-K 5.02] COLUMBIA BANKING SYSTEM, INC. — Departure/Election of Directors or Principal OfficersSEC · SEC EDGAR
Jul 28, 2026 · 8-K
[8-K 2.02] COLUMBIA BANKING SYSTEM, INC. — Results of Operations and Financial ConditionSEC · SEC EDGAR
Jul 23, 2026 · 8-K
[8-K 8.01] COLUMBIA BANKING SYSTEM, INC. — Other EventsSEC · SEC EDGAR
May 15, 2026 · 8-K
[8-K 2.02] COLUMBIA BANKING SYSTEM, INC. — Results of Operations and Financial ConditionSEC · SEC EDGAR
Apr 23, 2026 · 8-K
[8-K 8.01] COLUMBIA BANKING SYSTEM, INC. — Other EventsSEC · SEC EDGAR
Feb 13, 2026 · 8-K
[8-K 2.02] COLUMBIA BANKING SYSTEM, INC. — Results of Operations and Financial ConditionSEC · SEC EDGAR
Jan 22, 2026 · 8-K
[8-K 5.02] COLUMBIA BANKING SYSTEM, INC. — Departure/Election of Directors or Principal OfficersSEC · SEC EDGAR
Nov 19, 2025 · 8-K
[8-K 8.01] COLUMBIA BANKING SYSTEM, INC. — Other EventsSEC · SEC EDGAR
Nov 14, 2025 · 8-K
[8-K 2.02] COLUMBIA BANKING SYSTEM, INC. — Results of Operations and Financial ConditionSEC · SEC EDGAR
Oct 30, 2025 · 8-K
[8-K 5.02] COLUMBIA BANKING SYSTEM, INC. — Departure/Election of Directors or Principal OfficersSEC · SEC EDGAR
Oct 29, 2025 · 8-K
[8-K 2.01] COLUMBIA BANKING SYSTEM, INC. — Completion of Acquisition or Disposition of AssetsSEC · SEC EDGAR
Sep 2, 2025 · 8-K

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What would change our view

A weaker balance sheet in the next filing cycle, a material regulatory setback, or a new evidence cluster that re-opens a distance between filings and attention would move the score, and the page would show which one did.

Research, not tips. No buy/sell recommendations, no price forecasts. Every score is derived from public filings and market data — figures round to whole numbers and refresh each trading day.