<SEC-DOCUMENT>0001950047-25-003420.txt : 20250523
<SEC-HEADER>0001950047-25-003420.hdr.sgml : 20250523
<ACCEPTANCE-DATETIME>20250523162546
ACCESSION NUMBER:		0001950047-25-003420
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250523
DATE AS OF CHANGE:		20250523

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ICON PLC
		CENTRAL INDEX KEY:			0001060955
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH [8731]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		EIN:				981067160

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-08704
		FILM NUMBER:		25982704

	BUSINESS ADDRESS:	
		STREET 1:		SOUTH COUNTY BUSINESS PARK
		STREET 2:		LEOPARDSTOWN
		CITY:			DUBLIN 18
		STATE:			L2
		ZIP:			00000
		BUSINESS PHONE:		00 353 1 291 2000

	MAIL ADDRESS:	
		STREET 1:		SOUTH COUNTY BUSINESS PARK
		STREET 2:		LEOPARDSTOWN
		CITY:			DUBLIN 18
		STATE:			L2
		ZIP:			00000

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ICON PLC  /ADR/
		DATE OF NAME CHANGE:	20010213

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			O'Neill Julie
		CENTRAL INDEX KEY:			0001630299
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		C/O ALEXION PHARMACEUTICALS
		STREET 2:		352 KNOTTER DRIVE
		CITY:			CHESHIRE
		STATE:			CT
		ZIP:			06410
</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:ns2="http://www.sec.gov/edgar/common">
    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001630299</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001060955</issuerCik>
            <issuerName>ICON PLC</issuerName>
            <secFileNumber>333-08704</secFileNumber>
            <issuerAddress>
                <ns2:street1>South County Business Park</ns2:street1>
                <ns2:street2>Leopardstown</ns2:street2>
                <ns2:city>Dublin 18</ns2:city>
                <ns2:stateOrCountry>L2</ns2:stateOrCountry>
                <ns2:zipCode>D18 X5R3</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>353-1-291-2000</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>JULIE ANN ONEILL</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>363</noOfUnitsSold>
            <aggregateMarketValue>46064.52</aggregateMarketValue>
            <noOfUnitsOutstanding>80756860</noOfUnitsOutstanding>
            <approxSaleDate>05/23/2025</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>05/22/2025</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>363</amountOfSecuritiesAcquired>
            <paymentDate>05/22/2025</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>05/23/2025</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Julie Ann O'Neill</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
