Company: WTFCN
Filing Date: 2025-11-06
Form Type: 10-Q
Source: 0001015328-25-000207
Chunk: 208

Company: WINTRUST FINANCIAL CORP
Filing Date: 2025-11-06
Form: 10-Q
Item: Item 1A
Chunk 208
---
ABXBRL Taxonomy Extension Label Linkbase Document101.PREXBRL Taxonomy Extension Presentation Linkbase Document101.DEFXBRL Taxonomy Extension Definition Linkbase Document104Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

(1)Includes the following financial information included in the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2025, formatted in iXBRL (Inline eXtensible Business Reporting Language): (i) the Consolidated Statements of Condition, (ii) the Consolidated Statements of Income, (iii) the Consolidated Statements of Comprehensive Income, (iv) the Consolidated Statements of Changes in Shareholders’ Equity, (v) the Consolidated Statements of Cash Flows, and (vi) Notes to Consolidated Financial Statements

81

Table of Contents

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

WINTRUST FINANCIAL CORPORATION(Registrant)Date: November 6, 2025/s/ DAVID L. STOEHRDavid L. StoehrExecutive Vice President andChief Financial Officer(Principal Financial Officer and duly authorized officer)

Date: November 6, 2025/s/ JEFFREY D. HAHNFELDJeffrey D. HahnfeldExecutive Vice President, Controller andChief Accounting Officer(Principal Accounting Officer and duly authorized officer)

82