SCHEDULE 13G 0001009076 XXXXXXXX LIVE Common Stock 12/31/2025 0000022356 COMMERCE BANCSHARES INC /MO/ 200525103 1000 WALNUT KANSAS CITY MO 64106 Rule 13d-1(b) COMMERCE BANK MO 2098985.00 2943320.00 3469458.00 2191365.00 8462359.00 6.2 BK COMMERCE BANCSHARES INC /MO/ 1000 WALNUT, KANSAS CITY, MISSOURI, 64106 Commerce Bank 1000 Walnut Street, Kansas City, Missouri 64016 Missouri N BK 8,462,359 * *Commerce Bank's beneficial ownership of Commerce Bancshares, Inc. common stock has been continuously described in the Commerce Bancshares, Inc. definitive proxy statement on an annual basis pursuant to the requirements of Item 403 of Regulation S-K and Schedule 14A. 6.2% 2,098,985 2,943,320 3,469,458 2,191,365 Y N N All of the shares of common stock set forth in Item 4 are owned by participants in Commerce Bancshares, Inc.'s 401(k) plan or by various investment advisory clients of Commerce Bank, which is deemed to be the beneficial owner of those shares pursuant to Rule 13d-3 under the Securities and Exchange Act of 1934, due to its discretionary power to make investment decisions over such shares for its clients and/or its ability to vote such shares. In all cases, persons other than Commerce Bank have the right to receive, or the power to direct the receipt of, dividends from or the proceeds from sales of the shares. Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. COMMERCE BANK Paul A. Steiner 02/11/2026