| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Petersen Paula S | Senior Vice President | 1000 WALNUT ST., KANSAS CITY | /s/ Paul A. Steiner for Paula S. Petersen | 13 Feb 2026 | 0001678319 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CBSH | Common Stock | Options Exercise | $52,755 | +1,957 | +4.5% | $26.96 | 45,249 | 11 Feb 2026 | Direct | |
| transaction | CBSH | Common Stock | Tax liability | $16,385 | -299 | -0.66% | $54.80 | 44,950 | 11 Feb 2026 | Direct | |
| transaction | CBSH | Common Stock | Disposed to Issuer | $52,772 | -963 | -2.1% | $54.80 | 43,987 | 11 Feb 2026 | Direct | |
| holding | CBSH | Common Stock | 4,932 | 11 Feb 2026 | 401(k) |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CBSH | Stock Appreciation Rights | Options Exercise | $0 | -1,957 | -100% | $0.000000 | 0 | 11 Feb 2026 | Common Stock | 1,957 | $26.96 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The stock appreciation right vests in four equal annual installments beginning on March 1, 2017. |