| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| ROWE MARGARET M | Senior Vice President | 1000 WALNUT ST, KANSAS CITY | By: Paul A. Steiner For: Margaret M. Rowe | 05 Feb 2026 | 0002033226 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CBSH | Common Stock | Award | $0 | +1,866 | +36% | $0.000000 | 7,085 | 03 Feb 2026 | Direct | F1 |
| holding | CBSH | Common Stock | 17,701 | 03 Feb 2026 | 401(k) |
| Id | Content |
|---|---|
| F1 | All stock holding balances adjusted to include a 5% stock dividend. Record date of 12/2/2025, payable 12/16/2025. |