| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| MURPHY RICHARD B | VICE CHAIR,CHIEF LENDING OFC | 9700 WEST HIGGINS ROAD, 8TH FLOOR, ROSEMONT | /s/Kathleen M. Boege, Attorney-in-fact | 30 Oct 2025 | 0001267655 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WTFC | Common Stock | Gift | $0 | -475 | -1.1% | $0.000000 | 41,173 | 29 Oct 2025 | Direct | |
| transaction | WTFC | Common Stock | Gift | $0 | -114 | -0.28% | $0.000000 | 41,059 | 30 Oct 2025 | Direct |