| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| HEISE RICHARD W | Senior Vice President | 1000 WALNUT ST., KANSAS CITY | By: Paul A. Steiner For: Richard W. Heise | 05 Feb 2026 | 0001925923 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CBSH | Common Stock | Award | $0 | +1,157 | +5.6% | $0.000000 | 21,734 | 03 Feb 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | All stock holding balances adjusted to include a 5% stock dividend. Record date of 12/2/2025, payable 12/16/2025. |