<SEC-DOCUMENT>0001967940-25-000089.txt : 20251121
<SEC-HEADER>0001967940-25-000089.hdr.sgml : 20251121
<ACCEPTANCE-DATETIME>20251121192311
ACCESSION NUMBER:		0001967940-25-000089
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20251121
DATE AS OF CHANGE:		20251121

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INTERNATIONAL BANCSHARES CORP
		CENTRAL INDEX KEY:			0000315709
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		ORGANIZATION NAME:           	02 Finance
		EIN:				742157138
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	000-09439
		FILM NUMBER:		251509343

	BUSINESS ADDRESS:	
		STREET 1:		12OO SAN BERNARDO AVE
		STREET 2:		PO BOX 1359
		CITY:			LAREDO
		STATE:			TX
		ZIP:			78040-1359
		BUSINESS PHONE:		9567227611

	MAIL ADDRESS:	
		STREET 1:		P O BOX 1359
		STREET 2:		1200 SAN BERNARDO
		CITY:			LAREDO
		STATE:			TX
		ZIP:			78040

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SANCHEZ ANTONIO R JR
		CENTRAL INDEX KEY:			0001060529
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		1360 POST OAK BLVD
		STREET 2:		SUITE 2400
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056
</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">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001060529</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>


    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000315709</issuerCik>
      <issuerName>INTERNATIONAL BANCSHARES CORP</issuerName>
      <secFileNumber>000-09439</secFileNumber>
      <issuerAddress>
        <com:street1>12OO SAN BERNARDO AVE</com:street1>
        <com:street2>PO BOX 1359</com:street2>
        <com:city>LAREDO</com:city>
        <com:stateOrCountry>TX</com:stateOrCountry>
        <com:zipCode>78040-1359</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>9567227611</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>SANCHEZ ANTONIO R JR</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Piper Sandler and Co</name>
        <address>
          <com:street1>350 North 5th St</com:street1>
          <com:city>Minneapolis</com:city>
          <com:stateOrCountry>MN</com:stateOrCountry>
          <com:zipCode>55401</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>100000</noOfUnitsSold>
      <aggregateMarketValue>6639000.00</aggregateMarketValue>
      <noOfUnitsOutstanding>62160000</noOfUnitsOutstanding>
      <approxSaleDate>11/21/2025</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>05/02/2006</acquiredDate>
      <natureOfAcquisitionTransaction>Annuity Payment</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Alicia Sanchez Charitable Lead</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>100000</amountOfSecuritiesAcquired>
      <paymentDate>10/04/2017</paymentDate>
      <natureOfPayment>Annuity Payments</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>11/21/2025</noticeDate>
      <signature>Dan Schmidt, as a duly authorized representative of Piper Sandler &amp; Co Corporate &amp; Venture Services FA, as attorney-in-fact Antonio Sanchez R Jr </signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
