---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-100715"
form_type: "8-K"
ticker: "UMBF"
cik: "0000101382"
company_name: "UMB FINANCIAL CORP"
filed_at: "2023-04-13T23:59:59+00:00"
generated_at: "2026-06-17T02:22:49.521206+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# UMB Financial reduces special meeting threshold to 20%, reinstates cumulative voting

## Summary
- Threshold to call special meeting lowered from 50% to 20% of outstanding common shares.
- Cumulative voting for director elections reinstated in the bylaws.
- Changes effective April 13, 2023, adopted by the Board of Directors.

## SEC filing metadata
- accession: 0001193125-23-100715
- form_type: 8-K
- ticker: UMBF
- cik: 0000101382
- company_name: UMB FINANCIAL CORP
- filed_at: 2023-04-13T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 3.03, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/101382/000119312523100715/0001193125-23-100715-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/101382/000119312523100715/d497145d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-100715
- JSON: https://secwatch.observer/filing/0001193125-23-100715.json
- Plain text: https://secwatch.observer/filing/0001193125-23-100715.txt

## Key facts
- Governance Changes
  UMB FINANCIAL CORP: Amended bylaws to reduce special meeting threshold from 50% to 20% and reinstate cumulative voting for director elections (effective 2023-04-13).
  - Change: bylaw amendment
  - Effective: 2023-04-13
  source text: On April 13, 2023, the Board of Directors (the “Board”) of UMB Financial Corporation (the “Company”) amended the Company’s bylaws (as amended, the “Bylaws”) to: (i) reduce the percentage of shares of the Company’s common stock required to call a special meeting from 50% to 20%, and (ii) reinstate cumulative voting for director elections.
  evidence_url: https://www.sec.gov/Archives/edgar/data/101382/000119312523100715/0001193125-23-100715-index.htm

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