| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Neff Douglas D | Senior Vice President | 1000 WALNUT ST, KANSAS CITY | /s/ By: Paul A. Steiner For: Douglas D. Neff | 05 Feb 2026 | 0001766427 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CBSH | Common Stock | Award | $0 | +1,170 | +11% | $0.000000 | 11,746 | 03 Feb 2026 | Direct | |
| holding | CBSH | Common Stock | 715 | 03 Feb 2026 | 401(k) |