<SEC-DOCUMENT>0001976408-25-000260.txt : 20250814
<SEC-HEADER>0001976408-25-000260.hdr.sgml : 20250814
<ACCEPTANCE-DATETIME>20250814093750
ACCESSION NUMBER:		0001976408-25-000260
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250814
DATE AS OF CHANGE:		20250814

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SIMILARWEB LTD.
		CENTRAL INDEX KEY:			0001842731
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. [7370]
		ORGANIZATION NAME:           	06 Technology
		EIN:				000000000
		STATE OF INCORPORATION:			L3
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-40394
		FILM NUMBER:		251214988

	BUSINESS ADDRESS:	
		ADDRESS IS A NON US LOCATION: 	YES
		STREET 1:		33 YITZHAK RABIN RD.
		CITY:			GIVATAYIM
		PROVINCE COUNTRY:   	L3
		BUSINESS PHONE:		972 (73) 320-4086

	MAIL ADDRESS:	
		ADDRESS IS A NON US LOCATION: 	YES
		STREET 1:		33 YITZHAK RABIN RD.
		CITY:			GIVATAYIM
		PROVINCE COUNTRY:   	L3

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Schwartz Jason Eric
		CENTRAL INDEX KEY:			0001969964
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		C/O 33 YITZHAK RABIN RD
		CITY:			GIVATAYIM
		STATE:			L3
		ZIP:			5348303
</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>0001969964</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001842731</issuerCik>
      <issuerName>SIMILARWEB LTD.</issuerName>
      <secFileNumber>001-40394</secFileNumber>
      <issuerAddress>
        <com:street1>33 YITZHAK RABIN RD.</com:street1>
        <com:city>GIVATAYIM</com:city>
        <com:stateOrCountry>L3</com:stateOrCountry>
        <com:zipCode>5348303</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>972 (73) 320-4086</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Schwartz Jason Eric</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Ordinary</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Oppenheimer &amp; Co. Inc.</name>
        <address>
          <com:street1>85 Broad St.</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10004</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>801433</noOfUnitsSold>
      <aggregateMarketValue>6756080.19</aggregateMarketValue>
      <noOfUnitsOutstanding>82618511</noOfUnitsOutstanding>
      <approxSaleDate>08/14/2025</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Ordinary</securitiesClassTitle>
      <acquiredDate>10/13/2015</acquiredDate>
      <natureOfAcquisitionTransaction>Employee stock Options plan</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>528920</amountOfSecuritiesAcquired>
      <paymentDate>08/14/2025</paymentDate>
      <natureOfPayment>Cash - Upon Exercise</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Ordinary</securitiesClassTitle>
      <acquiredDate>04/19/2017</acquiredDate>
      <natureOfAcquisitionTransaction>Employee stock Options plan	</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>67278</amountOfSecuritiesAcquired>
      <paymentDate>08/14/2025</paymentDate>
      <natureOfPayment>Cash - Upon Exercise</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Ordinary</securitiesClassTitle>
      <acquiredDate>07/26/2017</acquiredDate>
      <natureOfAcquisitionTransaction>Employee stock Options plan	</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>105238</amountOfSecuritiesAcquired>
      <paymentDate>08/14/2025</paymentDate>
      <natureOfPayment>Cash - Upon Exercise</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Ordinary</securitiesClassTitle>
      <acquiredDate>05/07/2019</acquiredDate>
      <natureOfAcquisitionTransaction>Employee stock Options plan	</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>100000</amountOfSecuritiesAcquired>
      <paymentDate>08/14/2025</paymentDate>
      <natureOfPayment>Cash - Upon Exercise</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <remarks>Under a 10b5-1 sale plan adopted on 05/16/2025</remarks>
    <noticeSignature>
      <noticeDate>08/14/2025</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>05/16/2025</planAdoptionDate>
      </planAdoptionDates>
      <signature>Jason Schwartz</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
