<SEC-DOCUMENT>0001015328-25-000180.txt : 20250731
<SEC-HEADER>0001015328-25-000180.hdr.sgml : 20250731
<ACCEPTANCE-DATETIME>20250731113546
ACCESSION NUMBER:		0001015328-25-000180
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250731
DATE AS OF CHANGE:		20250731

SUBJECT COMPANY:	

	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:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-35077
		FILM NUMBER:		251170339

	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

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MURPHY RICHARD B
		CENTRAL INDEX KEY:			0001267655
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		406 HUDSON
		CITY:			CLARENDON HILLS
		STATE:			IL
		ZIP:			60514
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <!-- Generated by Workiva -->
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001267655</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001015328</issuerCik>
      <issuerName>Wintrust Financial Corporation</issuerName>
      <secFileNumber>001-35077</secFileNumber>
      <issuerAddress>
        <com:street1>9700 W. Higgins Road</com:street1>
        <com:street2>Suite 800</com:street2>
        <com:city>Rosemont</com:city>
        <com:stateOrCountry>IL</com:stateOrCountry>
        <com:zipCode>60018</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>847-939-9000</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Richard B. Murphy</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Stifel</name>
        <address>
          <com:street1>787 Seventh Avenue, 6th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10019</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>4000</noOfUnitsSold>
      <aggregateMarketValue>522040</aggregateMarketValue>
      <noOfUnitsOutstanding>66937732</noOfUnitsOutstanding>
      <approxSaleDate>07/31/2025</approxSaleDate>
      <securitiesExchangeName>Nasdaq</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>09/01/1996</acquiredDate>
      <natureOfAcquisitionTransaction>401(k)</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Wintrust Financial Corporation</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>4000</amountOfSecuritiesAcquired>
      <paymentDate>09/01/1996</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <remarks>The securities to be sold pursuant to this Form 144 were acquired by the Reporting Person through the Issuer's 401(k) Plan in multiple transactions on and after 09/01/1996.</remarks>
    <noticeSignature>
      <noticeDate>07/31/2025</noticeDate>
      <signature>/s/Richard B. Murphy</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
