| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| DYKSTRA DAVID A | VICE CHAIRMAN AND COO | 9700 WEST HIGGINS ROAD, 8TH FLOOR, ROSEMONT | /s/Kathleen M. Boege, Attorney-in-fact | 25 Jan 2026 | 0001244276 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WTFC | Common Stock | Award | $1,909,627 | +12,546 | +6.9% | $152.21 | 195,080 | 22 Jan 2026 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Includes 3,132 Restricted Stock Units awarded under the Company's 2025 Stock Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of the Company common stock and vest on the third anniversary of the date of grant. |
| F2 | Includes 9,414 shares of stock awarded upon attainment of performance objectives under the Company's Long Term Incentive Program. |