# EDGAR Filing Document

**Accession Number:** 0001015328
**File Stem:** 0001104659-26-041502
**Filing Date:** 2026-4
**Character Count:** 1946
**Document Hash:** ecd6c9088a35117262bd9fd44d98ac73
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-041502.hdr.sgml**: 20260409

**ACCESSION NUMBER**: 0001104659-26-041502

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260409

**DATE AS OF CHANGE**: 20260409

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** WINTRUST FINANCIAL CORP
- **CENTRAL INDEX KEY:** 0001015328
- **STANDARD INDUSTRIAL CLASSIFICATION:** STATE COMMERCIAL BANKS [6022]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 363873352
- **STATE OF INCORPORATION:** IL
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-35077
- **FILM NUMBER:** 26851672

**BUSINESS ADDRESS:**
- **STREET 1:** 9700 WEST HIGGINS ROAD, 8TH FLOOR
- **CITY:** ROSEMONT
- **STATE:** IL
- **ZIP:** 60018
- **BUSINESS PHONE:** 8479399000

**MAIL ADDRESS:**
- **STREET 1:** 9700 WEST HIGGINS ROAD, 8TH FLOOR
- **CITY:** ROSEMONT
- **STATE:** IL
- **ZIP:** 60018

**UNITED STATES<br> SECURITIES AND EXCHANGE COMMISSION<br> Washington, DC 20549**

**SCHEDULE 14A**

Proxy Statement Pursuant to Section 14(a) of the<br> Securities Exchange Act of 934

Filed by the Registrant ⌧

Filed by a Party other than the Registrant ◻

Check the appropriate box:

◻ Preliminary Proxy Statement

---

| | |
|:---|:---|
| ◻ | **Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))** |

---

◻ Definitive Proxy Statement

⌧ Definitive Additional Materials

◻ Soliciting Material under § 240.14a-12

**Wintrust Financial Corporation**

(Name of Registrant as Specified in its Charter)

------

(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)

Payment of Filing Fee (Check all boxes that apply):

⌧ No fee required.

◻ Fee paid previously with preliminary materials.

◻ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

![](tm261521d3_defa14aimg001.jpg)