UMB Financial (NASDAQ: UMBF) trusts report multiple Rule 144 sales in Dec 2025–Feb 2026

Rhea-AI Filing Summary

UMB Financial Corporation notices proposed and recent Rule 144 sales of Common Stock by affiliated trusts and family members. The excerpt lists multiple sales over December 2025–February 2026, including R C Kemper Marital Trust sales of 15,367 shares on 12/08/2025 for $1,760,807.72 and 15,214 shares on 02/02/2026 for $1,956,328.70. The excerpt also shows sales by J Mariner Kemper of 3,500 shares on 02/02/2026 for $451,695.30.

Insights

Securities Compliance Counsel

Rule 144 notices list proposed and recent private-family sales, not company issuance.

These entries document transactions by affiliated trusts and individuals under Rule 144 during 12/2025–02/2026

The listed trades (for example, 15,367 shares on 12/08/2025 and 15,214 shares on 02/02/2026) reflect dispositions by insiders or related entities; regulatory implications depend on holding periods and compliance with Rule 144 resale conditions.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	Capital Institutional Services 1700 Pacific Ave. Suite 1000 Dallas TX 75201	2550	295494.00	76135481	03/02/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	04/18/2008	Gift	R.C. Kemper, Jr.		01/05/1970	708554		NA

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
R C Kemper Charitable Trust and Foundation 1010 Grand Boulevard Kansas City MO 64106	Common Stock	02/02/2026	1250	159517.63
R C Kemper Jr Charitable Trust and Foundation 1010 Grand Boulevard Kansas City MO 64106	Common Stock	02/02/2026	2550	325415.96
Bebe & Crosby Kemper Foundation for the Arts 1010 Grand Boulevard Kansas City MO 64106	Common Stock	02/02/2026	576	73505.72
R C Kemper Charitable Trust and Foundation 1010 Grand Boulevard Kansas City MO 64106	Common Stock	01/02/2026	1250	143999.25
R C Kemper Jr Charitable Trust and Foundation 1010 Grand Boulevard Kansas City MO 64106	Common Stock	01/02/2026	2550	293758.47
Bebe & Crosby Kemper Foundation for the Arts 1010 Grand Boulevard Kansas City MO 64106	Common Stock	01/02/2026	576	66354.85
Bebe & Crosby Kemper Foundation for the Arts 1010 Grand Boulevard Kansas City MO 64106	Common Stock	12/01/2025	576	64265.36
R C Kemper Charitable Trust and Foundation 1010 Grand Boulevard Kansas City MO 64106	Common Stock	12/01/2025	1250	139464.75
R C Kemper Jr Charitable Trust and Foundation 1010 Grand Boulevard Kansas City MO 64106	Common Stock	12/01/2025	2550	284508.09
R C Kemper Marital Trust 1010 Grand Boulevard Kansas City MO 64106	Common Stock	12/08/2025	15367	1760807.72
R C Kemper Marital Trust 1010 Grand Boulevard Kansas City MO 64106	Common Stock	02/02/2026	15214	1956328.70
J Mariner Kemper 1010 Grand Boulevard Kansas City MO 64106	Common Stock	02/02/2026	3500	451695.30

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the UMBF Form 144 filing show?

It shows Rule 144 notices of proposed or recent sales of UMBF common stock by insiders and affiliated trusts. The excerpt lists multiple sales between 12/2025 and 02/2026, with specific share counts and sale proceeds for each transaction.

Who sold shares according to the UMBF excerpt?

Several affiliated parties sold shares, including R C Kemper Marital Trust and J Mariner Kemper. Examples include 15,367 shares by R C Kemper Marital Trust and 3,500 shares by J Mariner Kemper, each with the sale dates and dollar proceeds listed.

How many shares did R C Kemper Marital Trust sell in the filing?

The excerpt records R C Kemper Marital Trust selling 15,367 shares on 12/08/2025 for $1,760,807.72 and 15,214 shares on 02/02/2026 for $1,956,328.70, as shown in the table.

Do these Form 144 entries represent company-issued shares?

No. These entries document resale transactions by holders, not new issuances by UMB Financial. The lines list dates, share counts, and proceeds for sales by trusts and individuals rather than company-offered securities.

What timeframe do the reported sales cover in this excerpt?

The listed transactions occur across December 2025 through February 2026. Specific dates shown include 12/01/2025, 12/08/2025, 01/02/2026, and 02/02/2026

reflecting multiple monthly dispositions.