J. Mariner Kemper
Chairman and CEO, Director · UMB FINANCIAL CORP
- 2024
- Aug 6, 2026
- 17
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies J. Mariner Kemper files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- James D. Rine - $1.09M in UMBF purchases and sales in the last 12 months
- Thomas S. Terry - $867K in UMBF purchases and sales in the last 12 months
- Uma Wilson - $736K in UMBF purchases and sales in the last 12 months
- Nikki Farentino Newton - $435K in UMBF purchases and sales in the last 12 months
- Ram Shankar - $303K in UMBF purchases and sales in the last 12 months
- Robert Brian Beaird - $231K in UMBF purchases and sales in the last 12 months
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Frequently asked questions
Who is J. Mariner Kemper?
J. Mariner Kemper is a corporate insider, tracked as Chairman and CEO, Director of UMB FINANCIAL CORP (UMBF). InsiderAlpha holds 17 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has J. Mariner Kemper submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has J. Mariner Kemper been buying or selling stock?
Recorded transactions: 0 open-market purchases and 23 open-market sales ($16.34M) across all tracked filings.
