<SEC-DOCUMENT>0001950047-25-008386.txt : 20251103
<SEC-HEADER>0001950047-25-008386.hdr.sgml : 20251103
<ACCEPTANCE-DATETIME>20251103162344
ACCESSION NUMBER:		0001950047-25-008386
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20251103
DATE AS OF CHANGE:		20251103

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:		251444461

	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:			Clerkin Nigel Bernard John
		CENTRAL INDEX KEY:			0002085465
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		ADDRESS IS A NON US LOCATION: 	YES
		STREET 1:		ICON, SOUTH COUNTY BUSINESS PARK
		STREET 2:		LEOPARDSTOWN
		CITY:			DUBLIN 18
		NON US STATE TERRITORY:  	DUBLIN
		PROVINCE COUNTRY:   	L2
		ZIP:			D18 X5R3
</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>0002085465</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>NIGEL CLERKIN</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>1473</noOfUnitsSold>
            <aggregateMarketValue>249289.34</aggregateMarketValue>
            <noOfUnitsOutstanding>76359932</noOfUnitsOutstanding>
            <approxSaleDate>11/03/2025</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>10/31/2025</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>1473</amountOfSecuritiesAcquired>
            <paymentDate>10/31/2025</paymentDate>
            <natureOfPayment>Services Rendered</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <remarks>Represents the number of shares required to be sold to cover tax withholding obligations in connection with the vesting of compensatory equity awards. These sales are "sell to cover" transactions mandated by the applicable award agreement to satisfy the applicable tax withholding obligation and do not represent discretionary trades by the Reporting Person.</remarks>
        <noticeSignature>
            <noticeDate>11/03/2025</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Nigel Clerkin</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
