secwatch.observer — SEC 8-K summary
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Issuer:     COLUMBIA BANKING SYSTEM, INC. (COLB)
CIK:        0000887343
Form:       8-K
Filed at:   2026-08-14T20:35:19+00:00
Accession:  0000887343-26-000173
Event type: dividend
Sentiment:  neutral
Materiality: 0.25
Item codes: 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Columbia Banking System declares $0.37 quarterly dividend payable Sept 14, 2026
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- Quarterly cash dividend of $0.37 per common share approved by Board.
- Payable September 14, 2026 to shareholders of record as of August 28, 2026.
- Columbia Banking System, Inc. (Nasdaq: COLB) is parent of Columbia Bank.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/887343/000088734326000173/0000887343-26-000173-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/887343/000088734326000173/colb-20260814.htm
  HTML page:      https://secwatch.observer/filing/0000887343-26-000173

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer