Insiders sell shares at UMB Financial (NASDAQ: UMBF) across Feb–Apr 2026

Rhea-AI Filing Summary

UMB Financial Corp. reported multiple dispositions of Common Stock by affiliated trusts and individuals as summarized in a Form 144 excerpt. The notice lists repeated sales in February–April 2026 by R C Kemper Charitable Trust and Foundation, R C Kemper Jr Charitable Trust and Foundation, Bebe & Crosby Kemper Foundation for the Arts, R C Kemper Marital Trust, and J Mariner Kemper.

Insights

Securities Compliance Analyst

Routine Form 144 sale notices from affiliated trusts and insiders.

The excerpt lists multiple scheduled dispositions of Common Stock by related trusts and an individual, with repeat entries across February, March, and April 2026. Form 144 filings notify the market of proposed restricted or control-person sales and do not by themselves confirm settlement.

Cash‑flow treatment and whether sales were brokered or privately negotiated are not specified in the excerpt; subsequent Form 4s or broker reports would show executed trades.

Equity Markets Specialist

Aggregate sale activity is modest versus a typical company float; likely routine liquidity.

Listed transactions range from hundreds to tens of thousands of shares per entry and include dollar amounts for each sale notice. The pattern suggests periodic dispositions by charitable trusts and a family member rather than a single large block sale.

Market impact depends on actual execution timing and size relative to daily volume; the excerpt does not provide trading-volume context.

Key Figures

Example sale - R C Kemper Marital Trust: 15,214 shares Example sale - J Mariner Kemper: 3,500 shares Example sale - R C Kemper Charitable Trust: 1,250 shares +3 more

6 metrics

Example sale - R C Kemper Marital Trust 15,214 shares sale dated 02/02/2026

Example sale - J Mariner Kemper 3,500 shares sale dated 02/02/2026

Example sale - R C Kemper Charitable Trust 1,250 shares sales dated 02/02/2026, 03/02/2026, 04/01/2026

Example sale - R C Kemper Jr Charitable Trust 2,550 shares sales dated 02/02/2026, 03/02/2026, 04/01/2026

Example sale - Bebe & Crosby Kemper Foundation for the Arts 576 shares multiple sale dates in Feb–Apr 2026

Reported dollar example $1,956,328.70 proceeds reported for 15,214‑share entry dated 02/02/2026

Key Terms

Form 144, Charitable Trust, Marital Trust

3 terms

Form 144 regulatory

"Dispositions of Common Stock by affiliated trusts and individuals"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Charitable Trust financial

"R C Kemper Charitable Trust and Foundation listed as seller"

Marital Trust financial

"R C Kemper Marital Trust listed with a 15,214 share sale"

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	1250	155275.00	75978727	05/01/2026	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	12/31/1971	Gift	R.C. Kemper, Sr.		12/31/1965	291643		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	04/01/2026	1250	143348.13
R C Kemper Jr Charitable Trust and Foundation 1010 Grand Boulevard Kansas City MO 64106	Common Stock	04/01/2026	2550	292430.17
Bebe & Crosby Kemper Foundation for the Arts 1010 Grand Boulevard Kansas City MO 64106	Common Stock	04/01/2026	576	66054.82
Bebe & Crosby Kemper Foundation for the Arts 1010 Grand Boulevard Kansas City MO 64106	Common Stock	03/02/2026	576	67290.11
R C Kemper Charitable Trust and Foundation 1010 Grand Boulevard Kansas City MO 64106	Common Stock	03/02/2026	1250	146028.88
R C Kemper Jr Charitable Trust and Foundation 1010 Grand Boulevard Kansas City MO 64106	Common Stock	03/02/2026	2550	297898.90
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 excerpt show?

It shows multiple proposed sales of Common Stock by affiliated trusts and an individual in February–April 2026. The excerpt lists share counts and dollar amounts for each disposition, but not settlement details.

Who are the selling parties listed for UMBF?

The listed sellers include R C Kemper Charitable Trust and Foundation, R C Kemper Jr Charitable Trust and Foundation, Bebe & Crosby Kemper Foundation for the Arts, R C Kemper Marital Trust, and J Mariner Kemper.

What time period do the sales cover in the excerpt?

The transactions in the excerpt are dated across 02/02/2026, 03/02/2026, 04/01/2026, and other February–April 2026 entries, as shown in the notice.

Do these Form 144 entries confirm trades occurred?

No. Form 144 provides notice of intent to sell restricted or control shares; it does not confirm whether or when the sales settled or were executed in the market.

What sizes are typical in the UMBF excerpt?

Noted entries include single‑sale sizes from 576 shares up to 15,214 shares, with corresponding dollar amounts listed next to each line in the excerpt.