Trade Summary

2 days ago, KEMPER J MARINER, serving as Chairman and CEO at UMB FINANCIAL CORP (UMBF), sold 4,200 shares at $147.27 per share, for a total transaction value of $618,534.00. Following this transaction, KEMPER J MARINER now holds 5,561 shares of UMBF.

This sale represents a 43.03% decrease in KEMPER J MARINER's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Monday, August 3, 2026 and publicly disclosed via SEC Form 4 filing on Tuesday, August 4, 2026 at 5:22 PM ET, 1 day after the trade was made.

UMB FINANCIAL CORP operates in the FINANCIAL SERVICES sector, specifically within the BANKS - REGIONAL industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.