| 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 | 04 Aug 2025 | 0001267655 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WTFC | Common Stock | Sale | $479,413 | -3,746 | -100% | $127.98 | 0 | 31 Jul 2025 | by 401(k) Plan | F1 |
| holding | WTFC | Common Stock | 41,648 | 31 Jul 2025 | Direct |
| Id | Content |
|---|---|
| F1 | Total number of shares reflects periodic purchase activity in the Company's 401(k) plan (totaling 35 shares) between January, 2025 and the disposition of 3,746 shares on the transaction date. |