STOCK TITAN

UMB Financial Corp (UMBF) CEO trust sells 4,200 shares, receives gift

(Very High)
(Negative)
Form Type
4

Rhea-AI Filing Summary

A trust for the benefit of UMB Financial Corp Chairman and CEO J Mariner Kemper reported mixed activity in UMBF common stock on 2026-08-03. The trust received a bona fide gift of 9,761 shares and sold 4,200 shares at a weighted average price of $147.27 per share, with individual sale prices between $147.23 and $147.31. Kemper continues to report sizeable direct and indirect positions, including 328,710.2177 shares held directly and additional holdings through several trusts and affiliated entities, such as 1,506,200 shares held by the RC Kemper Irrevocable Trust.

Positive

  • None.

Negative

  • None.

Insights

Analyzing...

Insider KEMPER J MARINER
Role Chairman and CEO
Sold 4,200 shs ($619K)
Type Security Shares Price Value
Gift Common Stock 9,761 $0.00 $0.00
Sale Common Stock F1 4,200 $147.27 $619K
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 5,561 shares (Indirect, By Trust - RC Kemper Irr Dynasty for John Mariner Kemper); Common Stock — 328,710.2177 shares (Direct); Common Stock — 1,020.29 shares (Indirect, By Daughter - Custodial Brokerage Account); Common Stock — 2,352.3 shares (Indirect, By Esop); Common Stock — 1,024.082 shares (Indirect, By Son - Custodial Brokerage Account); Common Stock — 1,314.921 shares (Indirect, By Trust - J. Mariner Kemper Trust); Common Stock — 21,460 shares (Indirect, By Trust - TUW RC Kemper For John Mariner); Common Stock — 12,558 shares (Indirect, By Trust: Mary S Hunt Trust); Common Stock — 8,216.735 shares (Indirect, By Trust: Megan Kemper Trust); Common Stock — 288,945 shares (Indirect, Held by Kemper Realty); Common Stock — 392,029 shares (Indirect, Held by Pioneer Service Corporation); Common Stock — 1,506,200 shares (Indirect, By Trust - RC Kemper Irrevocable Trust)
Footnotes (1)
  1. F1. The price reported in this column is a weighted average price. These shares were sold in multiple transactions at prices ranging from 147.23 to 147.31, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, additional information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.
Shares sold 4,200 shares Indirect sale of UMB Financial common stock on 2026-08-03
Sale weighted average price $147.27 per share Weighted average for 4,200 shares sold; individual prices $147.23 to $147.31
Shares received as gift 9,761 shares Bona fide gift to RC Kemper Irr Dynasty for John Mariner Kemper trust on 2026-08-03
Direct holdings 328,710.2177 shares Common stock held directly by J Mariner Kemper after reported transactions
RC Kemper Irrevocable Trust holdings 1,506,200.0000 shares Indirect common stock holdings reported as "By Trust - RC Kemper Irrevocable Trust"
Pioneer Service Corporation holdings 392,029.0000 shares Indirect common stock holdings reported as "Held by Pioneer Service Corporation"
Kemper Realty holdings 288,945.0000 shares Indirect common stock holdings reported as "Held by Kemper Realty"
bona fide gift regulatory
"Transaction code G is described as a "bona fide gift" of common stock shares."
A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.
weighted average price financial
"The price reported in this column is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
indirect ownership financial
"Ownership is reported as indirect through various trusts and affiliated entities."
custodial brokerage account financial
"Indirect holdings are listed as "By Daughter - Custodial Brokerage Account" and similar accounts."

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
Learn about SEC filing dates

FAQ

What insider stock transactions did UMBF’s J Mariner Kemper report on August 3, 2026?

J Mariner Kemper reported that a related trust received a 9,761-share gift and sold 4,200 shares of UMB Financial common stock on 2026-08-03. Both transactions involved indirect ownership through the RC Kemper Irr Dynasty for John Mariner Kemper trust.

How many UMBF shares were sold in the August 3, 2026 transaction and at what price?

The trust associated with J Mariner Kemper sold 4,200 shares of UMB Financial stock at a weighted average price of $147.27 per share. A footnote states the shares were sold in multiple trades at prices from $147.23 to $147.31.

How many UMBF shares does J Mariner Kemper hold directly after these transactions?

After the reported transactions, J Mariner Kemper reports 328,710.2177 shares of UMB Financial common stock held directly. Additional indirect holdings are reported through various trusts, custodial brokerage accounts, an ESOP position, and affiliated entities.

What major indirect UMBF shareholdings are associated with Kemper’s trusts and entities?

Reported indirect positions include 1,506,200 shares held by the RC Kemper Irrevocable Trust, 392,029 shares held by Pioneer Service Corporation, and 288,945 shares held by Kemper Realty, along with several smaller trust and custodial accounts.

Was the UMBF stock sale reported by J Mariner Kemper under a Rule 10b5-1 plan?

No. The filing’s Rule 10b5-1 checkbox is marked as false, indicating these reported transactions were not affirmatively designated as being executed under a Rule 10b5-1 trading plan.

What is the nature of the 9,761-share UMBF transaction classified as a bona fide gift?

The 9,761-share transaction is coded as a G for “bona fide gift,” reported as an acquisition of UMB Financial common stock. It increased the indirect holdings of the RC Kemper Irr Dynasty for John Mariner Kemper trust at a stated price of $0.00 per share.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
KEMPER J MARINER

(Last)(First)(Middle)
1010 GRAND BLVD.

(Street)
KANSAS CITY MISSOURI 64106

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
UMB FINANCIAL CORP [ UMBF ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
Chairman and CEO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/03/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock08/03/2026G9,761A$09,761IBy Trust - RC Kemper Irr Dynasty for John Mariner Kemper
Common Stock08/03/2026S4,200D$147.27(1)5,561IBy Trust - RC Kemper Irr Dynasty for John Mariner Kemper
Common Stock328,710.2177D
Common Stock1,020.29IBy Daughter - Custodial Brokerage Account
Common Stock2,352.3IBy Esop
Common Stock1,024.082IBy Son - Custodial Brokerage Account
Common Stock1,314.921IBy Trust - J. Mariner Kemper Trust
Common Stock21,460IBy Trust - TUW RC Kemper For John Mariner
Common Stock12,558IBy Trust: Mary S Hunt Trust
Common Stock8,216.735IBy Trust: Megan Kemper Trust
Common Stock288,945IHeld by Kemper Realty
Common Stock392,029IHeld by Pioneer Service Corporation
Common Stock1,506,200IBy Trust - RC Kemper Irrevocable Trust
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. The price reported in this column is a weighted average price. These shares were sold in multiple transactions at prices ranging from 147.23 to 147.31, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, additional information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.
/s/ Jason Bartel, attorney-in-fact for Mr. Kemper08/04/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)