Director Timothy Dunn buys 2,500 Commerce Bancshares (CBSH) shares

Rhea-AI Filing Summary

Commerce Bancshares director Timothy S. Dunn made an open-market purchase of company stock. On March 13, 2026, he bought 2,500 shares of Commerce Bancshares common stock at $47.71 per share. After this transaction, he directly owns 5,403 shares of the company.

SEC Form 4

FORM 4

UNITED 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

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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^*

DUNN TIMOTHY S

(Last) (First) (Middle)

1000 WALNUT ST

(Street)

KANSAS CITY MO 64106

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
COMMERCE BANCSHARES INC /MO/ [ CBSH ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
03/13/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/13/2026		P		2,500	A	$47.71	5,403	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ By: Paul A. Steiner For: Timothy S. Dunn	03/17/2026
	** Signature of Reporting Person	Date
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.

FAQ

What insider transaction did Commerce Bancshares (CBSH) report for Timothy S. Dunn?

Commerce Bancshares reported that director Timothy S. Dunn made an open-market purchase of common stock. He bought 2,500 shares on March 13, 2026, increasing his directly held position in the company.

How many Commerce Bancshares (CBSH) shares did Timothy S. Dunn buy and at what price?

Timothy S. Dunn purchased 2,500 shares of Commerce Bancshares common stock at an average price of $47.71 per share. This was reported as a purchase in the open market in the Form 4 filing.

What is Timothy S. Dunn’s total Commerce Bancshares (CBSH) ownership after this Form 4 transaction?

Following the reported transaction, Timothy S. Dunn directly owns 5,403 shares of Commerce Bancshares common stock. The filing classifies this as direct ownership, reflecting his updated stake after the open-market purchase.

Was the Commerce Bancshares (CBSH) transaction by Timothy S. Dunn a buy or a sell?

The Form 4 shows a buy transaction. Timothy S. Dunn executed an open-market purchase of 2,500 Commerce Bancshares common shares, coded as a “P” transaction, which denotes a purchase in the open market or private transaction.

What type of security did Timothy S. Dunn acquire in the Commerce Bancshares (CBSH) Form 4?

Timothy S. Dunn acquired Common Stock of Commerce Bancshares. The filing lists this as a non-derivative transaction, meaning he bought actual shares rather than options or other derivative securities.