X0609 4 2026-09-30 0 0001015328 WINTRUST FINANCIAL CORP WTFC 0001777967 TEGLIA KARIN GUSTAFSON false 9700 WEST HIGGINS ROAD, 8TH FLOOR ROSEMONT IL 60018 1 0 0 0 0 Common Stock 2026-09-30 4 A 0 420 160.72 A 19884 D Shares earned for the third quarter of 2026 for services as a Director of the Company in accordance with the Director's Deferred Fee and Stock Plan approved by the Shareholders. /s/Kathleen M. Boege, Attorney-in-fact 2026-09-30