| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Holmes Robert S | Executive Vice President | 8000 FORSYTH BLVD, CLAYTON | /s/ Paul A. Steiner for Robert S. Holmes | 2025-09-09 | 0001639156 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CBSH | Common Stock | Gift | $0 | -470 | -0.82% | $0.00 | 56.8K | Sep 8, 2025 | Direct |