<SEC-DOCUMENT>0001628280-25-053667.txt : 20251121
<SEC-HEADER>0001628280-25-053667.hdr.sgml : 20251121
<ACCEPTANCE-DATETIME>20251121190550
ACCESSION NUMBER:		0001628280-25-053667
CONFORMED SUBMISSION TYPE:	144/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20251121
DATE AS OF CHANGE:		20251121

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KIRBY CORP
		CENTRAL INDEX KEY:			0000056047
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER TRANSPORTATION [4400]
		ORGANIZATION NAME:           	01 Energy & Transportation
		EIN:				741884980
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-07615
		FILM NUMBER:		251509310

	BUSINESS ADDRESS:	
		STREET 1:		55 WAUGH DRIVE SUITE 1000
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77007
		BUSINESS PHONE:		7134351000

	MAIL ADDRESS:	
		STREET 1:		P.O. BOX 1745
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77251

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KIRBY EXPLORATION CO INC
		DATE OF NAME CHANGE:	19900510

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Grzebinski David W
		CENTRAL INDEX KEY:			0001483620
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144/A

	MAIL ADDRESS:	
		STREET 1:		55 WAUGH DRIVE
		STREET 2:		SUITE 1000
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77007
</SEC-HEADER>
<DOCUMENT>
<TYPE>144/A
<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">
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  <headerData>
    <submissionType>144/A</submissionType>
    <previousAccessionNumber>0001628280-25-053616</previousAccessionNumber>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001483620</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000056047</issuerCik>
      <issuerName>Kirby Corporation</issuerName>
      <secFileNumber>001-07615</secFileNumber>
      <issuerAddress>
        <com:street1>55 Waugh Drive, Suite 1000</com:street1>
        <com:city>Houston</com:city>
        <com:stateOrCountry>TX</com:stateOrCountry>
        <com:zipCode>77007</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>713-435-1135</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>David Grzebinski</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>CEO</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Merrill Lynch</name>
        <address>
          <com:street1>800 Capitol Street Suite 1900</com:street1>
          <com:city>Houston</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>77002</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>29451</noOfUnitsSold>
      <aggregateMarketValue>2627526.43</aggregateMarketValue>
      <noOfUnitsOutstanding>54200000</noOfUnitsOutstanding>
      <approxSaleDate>11/21/2025</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>02/01/2019</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Option</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Kirby Corporation</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>4951</amountOfSecuritiesAcquired>
      <paymentDate>11/21/2025</paymentDate>
      <natureOfPayment>Compensatory Payment</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>02/01/2019</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Option</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Kirby Corporation</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>4000</amountOfSecuritiesAcquired>
      <paymentDate>11/21/2025</paymentDate>
      <natureOfPayment>Compensatory Payment</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>02/01/2019</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Option</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Kirby Corporation</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>7500</amountOfSecuritiesAcquired>
      <paymentDate>11/21/2025</paymentDate>
      <natureOfPayment>Compensatory Payment</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>02/01/2019</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Option</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Kirby Corporation</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>5500</amountOfSecuritiesAcquired>
      <paymentDate>11/21/2025</paymentDate>
      <natureOfPayment>Compensatory Payment</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>02/01/2019</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Option</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Kirby Corporation</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>7500</amountOfSecuritiesAcquired>
      <paymentDate>11/21/2025</paymentDate>
      <natureOfPayment>Compensatory Payment</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>11/21/2025</noticeDate>
      <signature>David Grzebinski</signature>
    </noticeSignature>
  </formData>
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</TEXT>
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</SEC-DOCUMENT>
