J Mariner Kemper Insider Trading Activity

Corporate InsiderCEO · CIK 1229109

11

Total trades

$7.1M

Total volume

Feb 2, 2026

Last activity

UMBF

UMB FINANCIAL CORP

J Mariner Kemper has been net-selling over the last 12 months with 0 purchases and 9 sales across 1 company.

UMBF is the most-traded position with 9 trades. The largest single transaction was a sale of UMBF for $1.8M on Aug 13, 2025.

Performance Scorecard

Forward stock performance after each transaction by J Mariner Kemper. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIODAVG BUY RETURNAVG SELL AVOIDEDSUCCESS RATETRADES
30 days—+2.2%64%11
90 days—-0.2%55%11
120 days—-2.8%18%11

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

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UMBF · UMB FINANCIAL CORP

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Recent Trades

DATETICKERTYPESHARESPRICEVALUEROLE
Feb 2, 2026UMBFSell7,242$129.19$936KCEO
Feb 2, 2026UMBFSell7,972$128.04$1.0MCEO
Feb 2, 2026UMBFSell3,500$129.06$452KCEO
Dec 8, 2025UMBFSell15,367$114.58$1.8MCEO
Sep 10, 2025UMBFSell800$122.66$98KCEO
Sep 10, 2025UMBFSell100$122.55$12KCEO
Sep 9, 2025UMBFSell3,400$125.37$426KCEO
Sep 9, 2025UMBFSell100$124.92$12KCEO
Aug 13, 2025UMBFSell15,523$116.33$1.8MCEO
Jun 2, 2025UMBFSell1,452$101.84$148KCEO
Jun 2, 2025UMBFSell3,960$101.80$403KCEO

Top Companies Traded

TICKERCOMPANYTRADESTOTAL VOLUME
UMBFUMB FINANCIAL CORP11$7.1M

Other insiders at UMB FINANCIAL CORP

3 other tracked filers at UMBF.

Greg M Graves

Director

4

Trades

Peterman Tamara

Director

4

Trades

Gallagher Kevin Charles

Director

3

Trades