<SEC-DOCUMENT>0001959173-25-004551.txt : 20250711
<SEC-HEADER>0001959173-25-004551.hdr.sgml : 20250711
<ACCEPTANCE-DATETIME>20250711124633
ACCESSION NUMBER:		0001959173-25-004551
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250711
DATE AS OF CHANGE:		20250711

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SiteOne Landscape Supply, Inc.
		CENTRAL INDEX KEY:			0001650729
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-PROFESSIONAL & COMMERCIAL EQUIPMENT & SUPPLIES [5040]
		ORGANIZATION NAME:           	07 Trade & Services
		EIN:				364485550
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1228

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-37760
		FILM NUMBER:		251118288

	BUSINESS ADDRESS:	
		STREET 1:		MANSELL OVERLOOK
		STREET 2:		300 COLONIAL CENTER PARKWAY, SUITE 600
		CITY:			ROSWELL
		STATE:			GA
		ZIP:			30076
		BUSINESS PHONE:		(470) 277-7000

	MAIL ADDRESS:	
		STREET 1:		MANSELL OVERLOOK
		STREET 2:		300 COLONIAL CENTER PARKWAY, SUITE 600
		CITY:			ROSWELL
		STATE:			GA
		ZIP:			30076

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACK DOUG
		CENTRAL INDEX KEY:			0001672083
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		MANSELL OVERLOOK
		STREET 2:		300 COLONIAL CENTER PARKWAY, SUITE 600
		CITY:			ROSWELL
		STATE:			GA
		ZIP:			30076
</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>0001672083</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001650729</issuerCik>
      <issuerName>SiteOne Landscape Supply, Inc.</issuerName>
      <secFileNumber>001-37760</secFileNumber>
      <issuerAddress>
        <com:street1>MANSELL OVERLOOK</com:street1>
        <com:street2>300 COLONIAL CENTER PARKWAY, SUITE 600</com:street2>
        <com:city>ROSWELL</com:city>
        <com:stateOrCountry>GA</com:stateOrCountry>
        <com:zipCode>30076</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>(470) 277-7000</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>BLACK DOUG</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Fidelity Brokerage Services LLC</name>
        <address>
          <com:street1>900 Salem Street</com:street1>
          <com:city>Smithfield</com:city>
          <com:stateOrCountry>RI</com:stateOrCountry>
          <com:zipCode>02917</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>29760</noOfUnitsSold>
      <aggregateMarketValue>3847463.91</aggregateMarketValue>
      <noOfUnitsOutstanding>44809549</noOfUnitsOutstanding>
      <approxSaleDate>07/11/2025</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>07/11/2025</acquiredDate>
      <natureOfAcquisitionTransaction>Options Granted 02/06/2019</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>29760</amountOfSecuritiesAcquired>
      <paymentDate>07/11/2025</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>07/11/2025</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>11/27/2024</planAdoptionDate>
      </planAdoptionDates>
      <signature>/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Doug Black</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
