Phillip James Mason - 09 Feb 2026 Form 4 Insider Report for UMB FINANCIAL CORP (UMBF)

Role: President, Inst. Banking
Signature: /s/ Jason Bartel, attorney-in-fact for Mr. Mason
Issuer symbol: UMBF
Transactions as of: 09 Feb 2026
Net transactions value: -$26,992
Form type: 4
Filing time: 11 Feb 2026, 17:19:42 UTC
Previous filing: 10 Feb 2026
Next filing: 12 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Mason Phillip James	President, Inst. Banking	1010 GRAND BLVD., KANSAS CITY	/s/ Jason Bartel, attorney-in-fact for Mr. Mason	11 Feb 2026	0001976804

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	UMBF	Common Stock	Tax liability	$26,992	-201	-2%	$134.29	9,786	09 Feb 2026	Direct	F1
holding	UMBF	Common Stock						865	09 Feb 2026	401(k)	F2
holding	UMBF	Common Stock						241	09 Feb 2026	ESO{P	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Reflects dividends earned upon vesting of the underlying restricted stock unit.
F2	Reflects shares acquired by the reporting person through the UMB Financial Corporation 401(k) Plan
F3	Reflects ESOP allocations and dispositions that have occurred since the date of the reporting person's last ownership report.