| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| DUNN TIMOTHY S | Director | 1000 WALNUT ST, KANSAS CITY | /s/ By: Paul A. Steiner For: Timothy S. Dunn | 17 Mar 2026 | 0002066897 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CBSH | Common Stock | Purchase | $119,275 | +2,500 | +86% | $47.71 | 5,403 | 13 Mar 2026 | Direct |