<SEC-DOCUMENT>0001950047-25-007786.txt : 20251006
<SEC-HEADER>0001950047-25-007786.hdr.sgml : 20251006
<ACCEPTANCE-DATETIME>20251006162248
ACCESSION NUMBER:		0001950047-25-007786
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20251006
DATE AS OF CHANGE:		20251006

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RAMBUS INC
		CENTRAL INDEX KEY:			0000917273
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				943112828
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	000-22339
		FILM NUMBER:		251377094

	BUSINESS ADDRESS:	
		STREET 1:		4453 NORTH FIRST STREET, SUITE 100
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134
		BUSINESS PHONE:		408-462-8000

	MAIL ADDRESS:	
		STREET 1:		4453 NORTH FIRST STREET, SUITE 100
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Lynch Desmond
		CENTRAL INDEX KEY:			0001941085
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		4453 NORTH FIRST STREET
		STREET 2:		SUITE 100
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001941085</cik>
                    <ccc>XXXXXXXX</ccc>
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            <liveTestFlag>LIVE</liveTestFlag>



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        <issuerInfo>
            <issuerCik>0000917273</issuerCik>
            <issuerName>RAMBUS INC.</issuerName>
            <secFileNumber>000-22339</secFileNumber>
            <issuerAddress>
                <ns2:street1>4453 North First Street</ns2:street1>
                <ns2:street2>Suite 100</ns2:street2>
                <ns2:city>San Jose</ns2:city>
                <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                <ns2:zipCode>95134</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(408) 462-8000</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>DESMOND M LYNCH</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>9074</noOfUnitsSold>
            <aggregateMarketValue>920971.98</aggregateMarketValue>
            <noOfUnitsOutstanding>107593820</noOfUnitsOutstanding>
            <approxSaleDate>10/06/2025</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>02/01/2025</acquiredDate>
            <natureOfAcquisitionTransaction>Performance Shares</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>9074</amountOfSecuritiesAcquired>
            <paymentDate>02/01/2025</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>DESMOND M LYNCH</name>
                <address>
                    <ns2:street1>4453 North First Street</ns2:street1>
                    <ns2:street2>Suite 100</ns2:street2>
                    <ns2:city>San Jose</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>95134</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>09/15/2025</saleDate>
            <amountOfSecuritiesSold>9074</amountOfSecuritiesSold>
            <grossProceeds>832098.50</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>10/06/2025</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>06/13/2025</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Desmond Lynch</signature>
        </noticeSignature>
    </formData>
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