Paula S. Petersen - 02 Feb 2026 Form 4 Insider Report for COMMERCE BANCSHARES INC /MO/ (CBSH)

Role: Senior Vice President
Signature: /s/ Paul A. Steiner for Paula S. Petersen
Issuer symbol: CBSH
Transactions as of: 02 Feb 2026
Net transactions value: -$65,938
Form type: 4
Filing time: 04 Feb 2026, 18:12:20 UTC
Previous filing: 05 Feb 2025
Next filing: 05 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Petersen Paula S	Senior Vice President	1000 WALNUT ST., KANSAS CITY	/s/ Paul A. Steiner for Paula S. Petersen	04 Feb 2026	0001678319

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CBSH	Common Stock	Tax liability	$44,234	-831	-2%	$53.23	40,898	02 Feb 2026	Direct	F1
transaction	CBSH	Common Stock	Tax liability	$21,704	-405	-0.99%	$53.59	40,493	03 Feb 2026	Direct
holding	CBSH	Common Stock						4,932	02 Feb 2026	401(k)

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

Explanation of Responses:

Id	Content
F1	All stock holding balances adjusted to include a 5% stock dividend. Record date of 12/2/2025, payable 12/16/2025.