| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| CRANE TIMOTHY | PRESIDENT & CEO, Director | 9700 WEST HIGGINS ROAD, 8TH FLOOR, ROSEMONT | /s/Kathleen M. Boege, Attorney-in-fact | 28 Jan 2026 | 0001501874 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WTFC | Common Stock | Tax liability | $624,566 | -4,272 | -3.9% | $146.20 | 104,212 | 26 Jan 2026 | Direct |