J. Mariner Kemper

Chief Executive Officer, UMB Financial Corporation.

Companies

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

As of each latest filing. The line shows shares held over time.

Recent filings

Trade performance

DateStockTradeValueReturn sinceVs S&P sinceVs S&P, 1 year
Aug 4, 2026UMBFSale$2.2M−11.2%+11.2%
Aug 3, 2026UMBFSale$618.5K−10.4%+12.3%
Feb 2, 2026UMBFSale$2.4M+2.9%+8.1%
Dec 8, 2025UMBFSale$1.8M+15.3%−2.4%
Sep 10, 2025UMBFSale$122.6K+8.0%+10.3%+1.9%
Sep 9, 2025UMBFSale$438.8K+7.6%+11.0%+1.9%
Aug 13, 2025UMBFSale$1.8M+12.9%+6.8%−8.7%
Jun 2, 2025UMBFSale$551.0K+29.0%+1.2%+1.7%
Feb 21, 2025UMBFSale$380.1K+23.2%+5.4%+1.5%
Dec 2, 2024UMBFSale$3.0M+5.6%+22.2%+23.9%
Nov 1, 2024UMBFSale$2.6M+21.7%+13.5%+20.6%
Oct 1, 2024UMBFSale$2.5M+30.3%+5.5%+0.6%
Sep 3, 2024UMBFSale$2.5M+26.9%+12.9%−0.3%
Aug 22, 2024UMBFSale$97.8K+34.0%+4.7%−7.7%
Aug 6, 2024UMBFSale$940.7K+42.9%+4.9%+1.9%
Aug 2, 2024UMBFSale$1.7M+40.9%+4.0%+0.2%
Aug 1, 2024UMBFSale$2.4M+34.8%+7.4%+3.6%
Jul 3, 2024UMBFSale$680.4K+59.8%−19.8%−20.4%
Jul 1, 2024UMBFSale$1.3M+59.9%−18.4%−18.0%
Jun 3, 2024UMBFSale$1.3M+61.9%−15.7%−14.3%
May 14, 2024UMBFSale$677.4K+57.0%−9.5%−14.9%
May 1, 2024UMBFSale$1.3M+65.1%−10.8%−10.9%
Apr 1, 2024UMBFSale$2.1M+55.8%−8.0%−11.5%
Mar 28, 2024UMBFSale$699.2K+51.5%−3.9%−8.9%
Mar 12, 2024UMBFSale$1.3M+65.0%−15.7%−15.8%
Mar 11, 2024UMBFSale$618.3K+60.8%−9.9%−10.9%
Feb 2, 2024UMBFSale$290.8K+60.2%−4.1%−16.8%
Dec 4, 2023UMBFSale$608.2K+73.4%−4.4%−33.6%
Nov 17, 2023UMBFSale$3.0M+80.5%−9.3%−35.6%
Nov 16, 2023UMBFSale$1.7M+83.5%−12.1%−39.2%

Returns are price-only (no dividends), measured from the trade date.