<SEC-DOCUMENT>0001921094-24-000620.txt : 20240515
<SEC-HEADER>0001921094-24-000620.hdr.sgml : 20240515
<ACCEPTANCE-DATETIME>20240515162356
ACCESSION NUMBER:		0001921094-24-000620
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20240515
DATE AS OF CHANGE:		20240515

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CADENCE DESIGN SYSTEMS INC
		CENTRAL INDEX KEY:			0000813672
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		ORGANIZATION NAME:           	06 Technology
		IRS NUMBER:				770148231
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	000-15867
		FILM NUMBER:		24951303

	BUSINESS ADDRESS:	
		STREET 1:		2655 SEELY AVENUE BLDG 5
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134
		BUSINESS PHONE:		4089431234

	MAIL ADDRESS:	
		STREET 1:		2655 SEELY AVENUE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ECAD INC /DE/
		DATE OF NAME CHANGE:	19880609

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SANGIOVANNI VINCENTELLI ALBERTO
		CENTRAL INDEX KEY:			0001181490
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
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  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001181490</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000813672</issuerCik>
      <issuerName>CADENCE DESIGN SYSTEMS INC</issuerName>
      <secFileNumber>000-15867</secFileNumber>
      <issuerAddress>
        <com:street1>2655 SEELY AVENUE BLDG 5</com:street1>
        <com:city>SAN JOSE</com:city>
        <com:stateOrCountry>CA</com:stateOrCountry>
        <com:zipCode>95134</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>4089431234</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>SANGIOVANNI VINCENTELLI ALBERTO</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab &amp; Co., Inc.</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>1500</noOfUnitsSold>
      <aggregateMarketValue>430710.00</aggregateMarketValue>
      <noOfUnitsOutstanding>272134000</noOfUnitsOutstanding>
      <approxSaleDate>05/15/2024</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>02/07/2019</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Lapse</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>CADENCE DESIGN SYSTEMS, INC.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1500</amountOfSecuritiesAcquired>
      <paymentDate>02/07/2019</paymentDate>
      <natureOfPayment>Equity Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>ALBERTO SANGIOVANNI VINCENTELLI TTEE</name>
        <address>
          <com:street1>2655 SEELY AVENUE BLDG 5</com:street1>
          <com:city>SAN JOSE</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95134</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>CADENCE DESIGN SYSTEMS INC</securitiesClassTitle>
      <saleDate>03/14/2024</saleDate>
      <amountOfSecuritiesSold>1500</amountOfSecuritiesSold>
      <grossProceeds>463736.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>ALBERTO SANGIOVANNI VINCENTELLI TTEE</name>
        <address>
          <com:street1>2655 SEELY AVENUE BLDG 5</com:street1>
          <com:city>SAN JOSE</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95134</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>CADENCE DESIGN SYSTEMS INC</securitiesClassTitle>
      <saleDate>04/15/2024</saleDate>
      <amountOfSecuritiesSold>1500</amountOfSecuritiesSold>
      <grossProceeds>463237.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <remarks>Shares sold in the ALBERTO SANGIOVANNI-VINCENTELLI TRUST.</remarks>
    <noticeSignature>
      <noticeDate>05/15/2024</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>09/14/2023</planAdoptionDate>
      </planAdoptionDates>
      <signature>ALBERTO SANGIOVANNI VINCENTELLI TTEE</signature>
    </noticeSignature>
  </formData>
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</SEC-DOCUMENT>
