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Mariner J Kemper Insider Trading Activity

Every SEC Form 4 transaction reported by Mariner J Kemper, sourced directly from SEC EDGAR and updated as new filings are accepted.

By · Insider-trading data from SEC EDGAR
Latest filing:

Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.

Quick Answer

Is Mariner J Kemper buying or selling?

Mariner J Kemper reported 0 open-market buys ($0) and 187 sells ($80.1M) across 187 Form 4 filings at 1 company — a net selling position of $80.1M.

Source: SEC EDGAR Form 4

What stands out

  • All 187 of Mariner J Kemper's Form 4 filings are for one company, UMB FINANCIAL CORP (UMBF).
  • The most recent Form 4 was accepted on Aug 6, 2026 (2 months ago).
  • In the last 12 months: no open-market purchases and 4 sales ($7.0M).
  • The largest open-market sale in the last 12 months was $2.4M of UMB FINANCIAL CORP (UMBF) on Feb 3, 2026. SEC ↗

Key Statistics (as of Aug 6, 2026)

Total Form 4 filings
187
SEC EDGAR
Companies
1
Buys (0)
$0
Sells (187)
$80.1M

Insider sentiment

Net selling

Net insider flow of $80.1M in net selling, filed between Jan 29, 2018 – Aug 6, 2026.

Companies Mariner J Kemper files for

#CompanyForm 4 filings
1UMBFUMB FINANCIAL CORP187

Recent Mariner J Kemper transactions

DateTickerRoleTypeSharesValueFiling
Aug 6, 2026UMBFChairman and CEOSale15.1K$2.2MSEC ↗
Aug 4, 2026UMBFChairman and CEOSale4.2K$618.5KSEC ↗
Feb 3, 2026UMBFChairman and CEOSale18.7K$2.4MSEC ↗
Dec 8, 2025UMBFChairman and CEOSale15.4K$1.8MSEC ↗
Sep 11, 2025UMBFChairman and CEOSale4.5K$561.4KSEC ↗
Jun 2, 2025UMBFChairman and CEOSale5.4K$551.0KSEC ↗
Feb 25, 2025UMBFChairman and CEOSale3.5K$380.1KSEC ↗
Dec 4, 2024UMBFChairman and CEOSale24.3K$3.0MSEC ↗
Nov 4, 2024UMBFChairman and CEOSale24.3K$2.6MSEC ↗
Oct 2, 2024UMBFChairman and CEOSale24.3K$2.5MSEC ↗
Sep 4, 2024UMBFChairman and CEOSale24.3K$2.5MSEC ↗
Aug 26, 2024UMBFChairman and CEOSale1.0K$97.8KSEC ↗
Aug 7, 2024UMBFChairman and CEOSale10.1K$940.7KSEC ↗
Aug 5, 2024UMBFChairman and CEOSale124$11.8KSEC ↗
Aug 5, 2024UMBFChairman and CEOSale1.6K$155.1KSEC ↗
Aug 5, 2024UMBFChairman and CEOSale1.6K$148.5KSEC ↗
Aug 5, 2024UMBFChairman and CEOSale3.6K$339.3KSEC ↗
Aug 5, 2024UMBFChairman and CEOSale4.3K$406.4KSEC ↗
Aug 5, 2024UMBFChairman and CEOSale4.4K$413.1KSEC ↗
Aug 5, 2024UMBFChairman and CEOSale2.1K$197.5KSEC ↗
Aug 5, 2024UMBFChairman and CEOSale9.2K$897.9KSEC ↗
Aug 5, 2024UMBFChairman and CEOSale7.0K$681.2KSEC ↗
Aug 5, 2024UMBFChairman and CEOSale8.1K$788.9KSEC ↗
Jul 5, 2024UMBFChairman and CEOSale8.1K$680.4KSEC ↗
Jul 3, 2024UMBFChairman and CEOSale8.4K$704.1KSEC ↗

Showing the 25 most recent filings of 187. Screen every filing.

Mariner J Kemper insider trading FAQ

Is Mariner J Kemper buying or selling?

Across 187 SEC Form 4 filings, Mariner J Kemper reported 0 open-market purchases totaling $0 and 187 sales totaling $80.1M — a net selling position of $80.1M.

Which companies does Mariner J Kemper file Form 4s for?

Mariner J Kemper has reported insider transactions at 1 company, most often UMB FINANCIAL CORP (UMBF).

How far back does Mariner J Kemper's filing history go?

Trabud holds Mariner J Kemper's SEC Form 4 filings from Jan 29, 2018 – Aug 6, 2026, sourced directly from SEC EDGAR.

Where does Trabud get Mariner J Kemper's insider trading data?

Directly from SEC EDGAR Form 4 filings. Every transaction on this page is a real filing accepted by the SEC, updated as new filings arrive.

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