X0607 3 2026-05-15 0 0000022356 COMMERCE BANCSHARES INC /MO/ CBSH 0002135667 BRANDJORD STEVEN A false 1000 WALNUT ST. KANSAS CITY MO 64106 1 Controller Common Stock 4251 D Common Stock 832 I 401(k) Stock Appreciation Rights 46.0788 2021-03-03 2030-03-03 Common Stock 342 D Stock Appreciation Rights 58.5372 2022-03-04 2031-03-04 Common Stock 180 D Stock Appreciation Rights 58.8232 2023-03-03 2032-03-03 Common Stock 256 D Stock Appreciation Rights 56.4604 2024-03-02 2033-03-02 Common Stock 228 D Stock Appreciation Rights 47.093 2025-03-01 2034-03-01 Common Stock 275 D Stock Appreciation Rights 61.7333 2026-03-03 2035-03-03 Common Stock 199 D The stock appreciation right vests in four equal annual installments beginning March 3, 2021. The stock appreciation right vests in four equal annual installments beginning March 4, 2022. The stock appreciation right vests in four equal annual installments beginning March 3, 2023. The stock appreciation right vests in four equal annual installments beginning March 2, 2024. The stock appreciation right vests in four equal annual installments beginning March 1, 2025. The stock appreciation right vests in four equal annual installments beginning March 3, 2026. /s/ By: Steven A. Brandjord 2026-05-21