J Mariner Kemper, Director, Chairman and CEO, on August 03, 2026, sold 4,200 shares in Umb Financial (UMBF) for $618,534. Following the Form 4 filing with the SEC, Kemper has control over a total of 2,569,392 common shares of the company, with 328,710 shares held directly and 2,240,681 controlled indirectly.
SEC Filing:
https://www.sec.gov/Archives/edgar/data/101382/000010138226000168/xslF345X05/form4.xml