[Form 3] COMMERCE BANCSHARES INC /MO/ Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

Commerce Bancshares (CBSH) disclosed an initial beneficial ownership for director Alaina G. Macia on Form 3. The filing reports 124 shares of common stock, held in direct (D) ownership. No derivative securities were listed in Table II. The event triggering the statement occurred on 10/31/2025, and the form was filed by one reporting person.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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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1. Name and Address of Reporting Person^*

MACIA ALAINA G

(Last) (First) (Middle)

1000 WALNUT ST

(Street)

KANSAS CITY MO 64106

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
10/31/2025

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

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

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

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	124	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ By: Paul A. Steiner For: Alaina G. Macia	11/10/2025
	** 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 5 (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 did CBSH file in this disclosure?

A Form 3, the initial statement of beneficial ownership for a reporting insider.

Who is the reporting person in CBSH’s Form 3?

Alaina G. Macia, serving as a Director.

How many CBSH shares does the director report owning?

124 shares of common stock.

What is the ownership form of the reported shares?

The 124 shares are held directly (D).

Were any derivative securities reported?

No derivative securities were reported in Table II.

What is the event date tied to this Form 3?

The event date is 10/31/2025.

Was this a joint filing with other insiders?

No. It was filed by one reporting person.