| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| MURPHY RICHARD B | VICE CHAIR,CHIEF LENDING OFC | 9700 WEST HIGGINS ROAD, 8TH FLOOR, ROSEMONT | /s/David A. Dykstra, Attorney-in-fact | 27 Feb 2026 | 0001267655 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WTFC | Common Stock | Tax liability | $474,362 | -3,166 | -6.9% | $149.83 | 42,883 | 25 Feb 2026 | Direct |