| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| MCKINNEY SUZET M | Director | 9700 W. HIGGINS ROAD, 8TH FLOOR, ROSEMONT | /s/Kathleen M. Boege, Attorney-in-fact | 2025-09-30 | 0001865855 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WTFC | Common Stock | Award | $46.9K | +378 | +14.24% | $123.98 | 3.03K | Sep 30, 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Shares earned for the third quarter of 2025 for services as a Director of the Company in accordance with the Director's Deferred Fee and Stock Plan approved by the Shareholders. |