Paydirt
JK
Insider

J Mariner Kemper

Chairman and CEO

J Mariner Kemper (Chairman and CEO) filed 4 Form 4 reports in the trailing twelve months (0 purchases, 4 sales), most often in UMB Financial Corporation (UMBF). The largest single filing was $2.4M of UMBF (18,714 sh across 3 lots, as filed), executed Feb 2.

Add to watchlist
Return, ttmiAverage return per filing, trailing twelve months
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
returns measure stock purchases only
Filings, ttm
4
0 buys · 4 sells
Median delay
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$7.0M
shares × price, as filed
Last traded
Aug 4
Filed Aug 6

Median ADV $100.4M across their filed names

Open performance
Volume by month
$3.0M$1.5M$0Oct 2024Apr 2025Oct 2025Apr 2026Oct 2024 · sells $2.3MNov 2024 · sells $2.6MDec 2024 · sells $3.0MFeb 2025 · sells $315KJun 2025 · sells $551KAug 2025 · sells $1.8MSep 2025 · sells $426KDec 2025 · sells $1.8MFeb 2026 · sells $2.4MAug 2026 · sells $2.9M
Buys $0 Sells $18.1M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Financial Services 4 filings

Sector per market data · by filing · past 12 months

Most traded names
UMBF UMB Financial Corporation UMBF · 0 buys · 11 sells 11 filings
Recent filings
UMBFSALE UMB Financial Corporation View filing → $2.2M
15,062 sh × $148.55
Exec Aug 4
Filed Aug 6 · 5:02 PM ET
UMBFSALE UMB Financial Corporation View filing → $619K
4,200 sh × $147.27
Exec Aug 3
Filed Aug 4 · 5:22 PM ET
UMBFSALE UMB Financial Corporation View filing → $2.4M
18,714 sh across 3 lots
Exec Feb 2
Filed Feb 3 · 5:30 PM ET
UMBFSALE UMB Financial Corporation View filing → $1.8M
15,367 sh × $114.58
Exec Dec 8 2025
Filed Dec 8 2025 · 5:30 PM ET
UMBFSALE UMB Financial Corporation View filing → $426K
3,400 sh × $125.37
Exec Sep 9 2025
Filed Sep 11 2025 · 5:30 PM ET
UMBFSALE UMB Financial Corporation View filing → $1.8M
15,523 sh × $116.33
Exec Aug 13 2025
Filed Aug 14 2025 · 5:30 PM ET
UMBFSALE UMB Financial Corporation View filing → $551K
5,412 sh across 2 lots
Exec Jun 2 2025
Filed Jun 2 2025 · 5:30 PM ET
UMBFSALE UMB Financial Corporation View filing → $315K
2,899 sh × $108.55
Exec Feb 21 2025
Filed Feb 25 2025 · 5:30 PM ET
More filings →