Commerce Bancshares (CBSH) officer reports 2,415-share award, tax withholding

Rhea-AI Filing Summary

Commerce Bancshares controller Paul A. Steiner received a grant of 2,415 shares of common stock on March 2, 2026, recorded at no cost. On March 3, 2026, 203 shares were disposed of at $51.61 per share to cover tax withholding. After these transactions, he directly owned 5,894 shares, with an additional 7,552 shares held indirectly in a 401(k) plan. A prior 5% stock dividend adjusted all reported balances.

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

OMB APPROVAL

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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^*

STEINER PAUL A

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

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	03/02/2026		A		2,415	A	$0	6,097(1)	D
Common Stock	03/03/2026		F		203	D	$51.61	5,894	D
Common Stock								7,552	I	401(K)

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:

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

	/s/ By: Paul A. Steiner	03/04/2026
	** 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).
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FAQ

What insider transactions did CBSH officer Paul A. Steiner report?

Paul A. Steiner reported a share grant and a tax-related share disposition. He received 2,415 Commerce Bancshares common shares on March 2, 2026, and had 203 shares withheld on March 3, 2026 at $51.61 per share to satisfy tax obligations.

How many Commerce Bancshares (CBSH) shares does Paul A. Steiner now hold?

After the reported transactions, Steiner directly owns 5,894 CBSH shares. He also has an indirect holding of 7,552 shares in a 401(k) plan. These balances reflect adjustment for a prior 5% stock dividend included in the reported figures.

Was the CBSH insider transaction a market sale or tax withholding?

The filing shows a tax-withholding disposition rather than an open market sale. On March 3, 2026, 203 shares of Commerce Bancshares common stock were disposed of at $51.61 per share specifically to cover tax liabilities related to an equity award.

What equity award did Commerce Bancshares grant to officer Paul A. Steiner?

Steiner received a grant or award of 2,415 shares of common stock. The award was recorded on March 2, 2026 at a stated price of $0.00 per share, indicating it was not a market purchase but a company-issued equity compensation grant.

How did a 5% stock dividend affect Paul A. Steiner’s CBSH holdings?

All of Steiner’s reported holdings were adjusted for a 5% stock dividend. The adjustment reflects a record date of December 2, 2025 and a payable date of December 16, 2025, increasing his share balances proportionally before these latest transactions.