---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-186351"
form_type: "8-K"
ticker: "UMBF"
cik: "0000101382"
company_name: "UMB FINANCIAL CORP"
filed_at: "2024-07-26T23:59:59+00:00"
generated_at: "2026-05-31T15:54:11.422496+00:00"
event_type: "litigation"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# UMB Financial and HTLF supplement merger proxy after shareholder lawsuits

## Summary
- Four HTLF stockholder lawsuits filed in June-July 2024 allege false/misleading registration statement; UMB and HTLF deny all allegations.
- Supplemental disclosures include details on 2022 LOI (0.6400 exchange ratio, 29.6% premium) and 2024 LOI (0.5500, 35.2% premium).
- BofA Securities fairness opinion and KBW fee structure (1% of merger consideration, $2M payable on opinion) added to proxy.
- HTLF board's reason for merger supplemented to note fixed exchange ratio without collar; no admission of liability.
- HTLF also received demand letters from other purported stockholders; supplemental disclosures aim to avoid merger delays.

## SEC filing metadata
- accession: 0001193125-24-186351
- form_type: 8-K
- ticker: UMBF
- cik: 0000101382
- company_name: UMB FINANCIAL CORP
- filed_at: 2024-07-26T23:59:59+00:00
- event_type: litigation
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/101382/000119312524186351/0001193125-24-186351-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/101382/000119312524186351/d870882d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-186351
- JSON: https://secwatch.observer/filing/0001193125-24-186351.json
- Plain text: https://secwatch.observer/filing/0001193125-24-186351.txt

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