| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| WEHMER EDWARD J | FOUNDER AND SENIOR ADVISOR | 9700 WEST HIGGINS ROAD, 8TH FLOOR, ROSEMONT | /s/Kathleen M. Boege, Attorney-in-fact | 23 Feb 2026 | 0001244290 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WTFC | Common Stock | Award | $40,368 | +263 | +0.15% | $153.49 | 174,671 | 20 Feb 2026 | Direct | F1 |
| holding | WTFC | Common Stock | 18,487 | 20 Feb 2026 | by Spouse | ||||||
| holding | WTFC | Common Stock | 8,358 | 20 Feb 2026 | by 401(k) Plan | F2 | |||||
| holding | WTFC | Depositary Shares of Series F Preferred Stock | 2,382 | 20 Feb 2026 | Direct | ||||||
| holding | WTFC | Depositary Shares of Series F Preferred Stock | 3,919 | 20 Feb 2026 | By Spouse |
| Id | Content |
|---|---|
| F1 | Dividends awarded in shares pursuant to the terms of previously granted restricted stock units. |
| F2 | Reflects an increase of 114 shares held in the Company's 401(k) Plan during 2025. |