J. Mariner Kemper - 04 Aug 2026 Form 4 Insider Report for UMB FINANCIAL CORP (UMBF)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
06 Aug 2026, 17:02:06 UTC
Prior SEC filing
04 Aug 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Jason Bartel, attorney-in-fact for Mr. Kemper

Key filing fact

J. Mariner Kemper filed Form 4 for UMB FINANCIAL CORP (UMBF) on 06 Aug 2026.

Key facts

  • This page summarizes J. Mariner Kemper's Form 4 filing for UMB FINANCIAL CORP (UMBF).
  • 1 reported transaction and 0 derivative rows are listed below.
  • Accepted by SEC: 06 Aug 2026, 17:02.

Change

  • Previous filing in this sequence was filed on 04 Aug 2026.
  • Current net transaction value: -$2,237,460.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001229109 Primary reporting owner

KEMPER J MARINER

Relationship
Chairman and CEO, Director
Address
1010 GRAND BLVD., KANSAS CITY
Signature
/s/ Jason Bartel, attorney-in-fact for Mr. Kemper
Signature date
06 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

UMBF transaction

Common Stock

Sale

Transaction value
$2,237,460
Shares
-15,062
Change %
-1%
Price
$148.55
Shares after
1,491,138
Date
04 Aug 2026
Ownership
By Trust - RC Kemper Irrevocable Trust
Footnotes
F1
UMBF holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
328,710
Date
04 Aug 2026
Ownership
Direct
UMBF holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,020
Date
04 Aug 2026
Ownership
By Daughter - Custodial Brokerage Account
UMBF holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,352
Date
04 Aug 2026
Ownership
By Esop
UMBF holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,024
Date
04 Aug 2026
Ownership
By Son - Custodial Brokerage Account
UMBF holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,315
Date
04 Aug 2026
Ownership
By Trust - J. Mariner Kemper Trust
UMBF holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
0
Date
04 Aug 2026
Ownership
By Trust - RC Kemper For John
UMBF holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
5,561
Date
04 Aug 2026
Ownership
By Trust - RC Kemper Irr Dynasty for John Mariner Kemper
UMBF holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
21,460
Date
04 Aug 2026
Ownership
By Trust - TUW RC Kemper For John Mariner
UMBF holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
12,558
Date
04 Aug 2026
Ownership
By Trust: Mary S Hunt Trust
UMBF holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
8,217
Date
04 Aug 2026
Ownership
By Trust: Megan Kemper Trust
UMBF holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
288,945
Date
04 Aug 2026
Ownership
Held by Kemper Realty
UMBF holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
392,029
Date
04 Aug 2026
Ownership
Held by Pioneer Service Corporation
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $148.16 to $149.11, inclusive.

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