secwatch.observer — SEC 8-K summary
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Issuer:     COLUMBIA BANKING SYSTEM, INC. (COLB)
CIK:        0000887343
Form:       8-K
Filed at:   2026-05-15T17:39:35+00:00
Accession:  0000887343-26-000142
Event type: other_material
Sentiment:  neutral
Materiality: 0.15
Item codes: 5.07
LLM model:  deepseek-v4-flash:cloud@v2

Columbia Banking shareholders elect all 12 directors, approve say-on-pay and auditor ratification
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- All 12 director nominees elected with significant votes; highest 'against' was 16.4M for Luis F. Machuca.
- Advisory vote on executive compensation passed with 240.3M for vs 12.9M against.
- Ratification of Deloitte & Touche as auditor for FY 2026 approved with 269.3M for, 792k against.
- Approximately 270.3M of 290.0M outstanding shares were present or represented at the meeting.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/887343/000088734326000142/0000887343-26-000142-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/887343/000088734326000142/colb-20260514.htm
  HTML page:      https://secwatch.observer/filing/0000887343-26-000142

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