---
schema_version: "secwatch.filing_event.v1"
accession: "0001564590-22-030116"
form_type: "8-K"
ticker: "UMBF"
cik: "0000101382"
company_name: "UMB FINANCIAL CORP"
filed_at: "2022-08-25T23:59:59+00:00"
generated_at: "2026-06-23T21:13:29.166866+00:00"
event_type: "regulatory"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# UMB Financial imposes blackout period for 401(k) plan trustee replacement; restricts insider trading Sept 28–Oct 16

## Summary
- Blackout period due to replacing Plan's trustee/custodian and Plan administrator.
- Begins Sept 28, 2022 at 4:00 p.m. EST; expected end week of Oct 16, 2022.
- Participants cannot change contributions, transfer investments, or take loans/distributions.
- Directors and executive officers prohibited from trading Company equity securities under Regulation BTR.
- Violations may require disgorgement of profits and result in civil/criminal penalties.

## SEC filing metadata
- accession: 0001564590-22-030116
- form_type: 8-K
- ticker: UMBF
- cik: 0000101382
- company_name: UMB FINANCIAL CORP
- filed_at: 2022-08-25T23:59:59+00:00
- event_type: regulatory
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.04, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/101382/000156459022030116/0001564590-22-030116-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/101382/000156459022030116/umbf-8k_20220824.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001564590-22-030116
- JSON: https://secwatch.observer/filing/0001564590-22-030116.json
- Plain text: https://secwatch.observer/filing/0001564590-22-030116.txt

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