| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Roller David L. | Senior Vice President | 1000 WALNUT ST., KANSAS CITY | /s/ Paul A. Steiner for David L. Roller | 05 Feb 2026 | 0001678327 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CBSH | Common Stock | Award | $0 | +2,736 | +9.5% | $0.000000 | 31,669 | 03 Feb 2026 | Direct | |
| transaction | CBSH | Common Stock | Sale | $61,780 | -1,134 | -3.6% | $54.48 | 30,535 | 04 Feb 2026 | Direct | |
| holding | CBSH | Common Stock | 2,155 | 03 Feb 2026 | 401(k) |