<SEC-DOCUMENT>0000899243-18-030097.txt : 20181204
<SEC-HEADER>0000899243-18-030097.hdr.sgml : 20181204
<ACCEPTANCE-DATETIME>20181204200924
ACCESSION NUMBER:		0000899243-18-030097
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20181203
FILED AS OF DATE:		20181204
DATE AS OF CHANGE:		20181204

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Kim Jae
		CENTRAL INDEX KEY:			0001570465

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22339
		FILM NUMBER:		181218384

	MAIL ADDRESS:	
		STREET 1:		C/O RAMBUS INC.
		STREET 2:		1050 ENTERPRISE WAY, SUITE 700
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089

ISSUER:		

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

	BUSINESS ADDRESS:	
		STREET 1:		1050 ENTERPRISE WAY, SUITE 700
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089
		BUSINESS PHONE:		408-462-8000

	MAIL ADDRESS:	
		STREET 1:		1050 ENTERPRISE WAY, SUITE 700
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-12-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000917273</issuerCik>
        <issuerName>RAMBUS INC</issuerName>
        <issuerTradingSymbol>RMBS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001570465</rptOwnerCik>
            <rptOwnerName>Kim Jae</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O RAMBUS INC.</rptOwnerStreet1>
            <rptOwnerStreet2>1050 ENTERPRISE WAY, SUITE 700</rptOwnerStreet2>
            <rptOwnerCity>SUNNYVALE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94089</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP &amp; General Counsel</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-12-03</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3855</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>8.92</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>122532</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-12-04</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>7292</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>8.6785</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>115240</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs.</footnote>
        <footnote id="F2">The sale reported on this Form 4 is pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 14, 2017.</footnote>
        <footnote id="F3">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.525 to $8.90, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.</footnote>
    </footnotes>

    <remarks>Exhibit 24- Power of Attorney</remarks>

    <ownerSignature>
        <signatureName>/s/ Kirk Williams, by power of attorney</signatureName>
        <signatureDate>2018-12-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>attachment1.htm
<DESCRIPTION>EX-24 DOCUMENT
<TEXT>
<HTML>
<HEAD>
</HEAD>
<BODY>
<PRE>
                                                                      Exhibit 24

                               POWER OF ATTORNEY

The undersigned, as a Section 16 reporting person of Rambus Inc.(the "Company"),
hereby constitutes and appoints Kirk Williams and Keith Jones, and each of them,
as the undersigned's true and lawful attorney-in-fact to:


       1.     prepare, execute in the undersigned's name and on the
              undersigned's behalf, and submit to the Securities and Exchange
              Commission (the "SEC") a Form ID, including amendments thereto,
              and any other documents necessary or appropriate to obtain EDGAR
              codes and passwords enabling the undersigned to make electronic
              filings with the SEC of reports required by Section 16(a) of the
              Securities Exchange Act of 1934 or any rule or regulation of the
              SEC;


       2.     complete and execute Forms 3, 4 and 5 and other forms and all
              amendments thereto as such attorney-in-fact shall in his
              discretion determine to be required or advisable pursuant to
              Section 16 of the Securities Exchange Act of 1934 (as amended) and
              the rules and regulations promulgated thereunder, or any successor
              laws and regulations, as a consequence of the undersigned's
              ownership, acquisition or disposition of securities of the
              Company; and


       3.     do all acts necessary in order to file such forms with the SEC,
              any securities exchange or national association, the Company and
              such other person or agency as the attorneys-in-fact shall deem
              appropriate.


       The undersigned hereby ratifies and confirms all that said
attorneys-in-fact and agents shall do or cause to be done by virtue hereof. The
undersigned acknowledges that the foregoing attorneys-in-fact, in serving in
such capacity at the request of the undersigned, are not assuming, nor is the
Company assuming, any of the undersigned's responsibilities to comply with
Section 16 of the Securities Exchange Act of 1934 (as amended).


       This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 5 with respect to the
undersigned's holdings of and transactions in securities issued by the Company,
unless earlier revoked by the undersigned in a signed writing delivered to the
Company and the foregoing attorneys-in-fact.


       IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of this 2nd day of October, 2018.


                                                Signature: /s/ Jae Kim
                                                           ---------------------

                                                Print Name: Jae Kim
                                                           ---------------------
</PRE>
</BODY>
</HTML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
