---
schema_version: "secwatch.filing_event.v1"
accession: "0000887343-23-000253"
form_type: "8-K"
ticker: "COLB"
cik: "0000887343"
company_name: "COLUMBIA BANKING SYSTEM, INC."
filed_at: "2023-05-23T23:59:59+00:00"
generated_at: "2026-06-14T17:43:56.060089+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.15
confidence: "high"
source: SEC EDGAR
---

# Shareholders elect all 14 director nominees and approve executive compensation advisory vote

## Summary
- All 14 director nominees elected; votes for ranged from 170.9M (Numata) to 173.6M (Terry).
- Advisory vote to approve named executive officer compensation passed: 170.3M for, 4.1M against.
- Shareholders voted for annual say-on-pay frequency (164.4M for 1 year); company adopts annual advisory vote.
- Ratification of Deloitte & Touche as independent auditor approved: 181.5M for, 4.9M against.

## SEC filing metadata
- accession: 0000887343-23-000253
- form_type: 8-K
- ticker: COLB
- cik: 0000887343
- company_name: COLUMBIA BANKING SYSTEM, INC.
- filed_at: 2023-05-23T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.15
- confidence: high
- sec_items: 5.07
- EDGAR index: https://www.sec.gov/Archives/edgar/data/887343/000088734323000253/0000887343-23-000253-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/887343/000088734323000253/colb-20230518.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000887343-23-000253
- JSON: https://secwatch.observer/filing/0000887343-23-000253.json
- Plain text: https://secwatch.observer/filing/0000887343-23-000253.txt

## Key facts
- Shareholder Votes
  COLUMBIA BANKING SYSTEM, INC. shareholders approved Advisory (non-binding) resolution to approve the frequency of future advisory votes on executive compensation at the 2023-05-18 meeting.
  - Proposal: say on pay frequency
  - Outcome: passed
  - Meeting: 2023-05-18
  source text: 3. Advisory (non-binding) Approval of Frequency of Future Advisory Votes on Executive Compensation 1 Year 2 Years 3 Years Abstain 164,421,130 135,600 10,064,440 195,111
  evidence_url: https://www.sec.gov/Archives/edgar/data/887343/000088734323000253/0000887343-23-000253-index.htm
- Shareholder Votes
  COLUMBIA BANKING SYSTEM, INC. shareholders approved Advisory (non-binding) resolution to ratify the appointment of Deloitte & Touche LLP as the Company's independent registered public accounting firm for fiscal year ending December 31, 2023 at the 2023-05-18 meeting.
  - Proposal: auditor ratification
  - Outcome: passed
  - Meeting: 2023-05-18
  source text: 4. Advisory (non-binding) Ratification of Appointment of Independent Public Accounting Firm Votes For Votes Against Abstentions Broker Non-Votes 181,534,128 4,941,409 138,108 —
  evidence_url: https://www.sec.gov/Archives/edgar/data/887343/000088734323000253/0000887343-23-000253-index.htm
- Shareholder Votes
  COLUMBIA BANKING SYSTEM, INC. shareholders approved Election of fourteen directors at the 2023-05-18 meeting.
  - Proposal: director election
  - Outcome: passed
  - Meeting: 2023-05-18
  source text: Cort L. O’Haver 171,495,999 3,191,760 128,522 11,797,364
  evidence_url: https://www.sec.gov/Archives/edgar/data/887343/000088734323000253/0000887343-23-000253-index.htm
- Shareholder Votes
  COLUMBIA BANKING SYSTEM, INC. shareholders approved Advisory (non-binding) resolution to approve the compensation of the Company's named executive officers at the 2023-05-18 meeting.
  - Proposal: say on pay
  - Outcome: passed
  - Meeting: 2023-05-18
  source text: 2. Advisory (non-binding) Approval of Executive Compensation Votes For Votes Against Abstentions Broker Non-Votes 170,344,283 4,113,802 358,196 11,797,364
  evidence_url: https://www.sec.gov/Archives/edgar/data/887343/000088734323000253/0000887343-23-000253-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.