-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 QYmtYoTw7VgqE7nIS2FZGieoArOl73TooN8uHT/je1EfDSxvKAa/6TOGUtR0gSl1
 C5KjMjKWZlKgOJfXHyDMMA==

<SEC-DOCUMENT>0001181431-09-013224.txt : 20090303
<SEC-HEADER>0001181431-09-013224.hdr.sgml : 20090303
<ACCEPTANCE-DATETIME>20090303193532
ACCESSION NUMBER:		0001181431-09-013224
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090227
FILED AS OF DATE:		20090303
DATE AS OF CHANGE:		20090303

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Aquilano Don N
		CENTRAL INDEX KEY:			0001418016

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33834
		FILM NUMBER:		09653470

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		(847) 457-3461

	MAIL ADDRESS:	
		STREET 1:		C/O RUBICON TECHNOLOGY INC.
		STREET 2:		9931 FRANKLIN AVENUE
		CITY:			FRANKLIN PARK
		STATE:			IL
		ZIP:			60131

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Rubicon Technology, Inc.
		CENTRAL INDEX KEY:			0001410172
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				364419301
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		9931 FRANKLIN AVENUE
		CITY:			FRANKLIN PARK
		STATE:			IL
		ZIP:			60131
		BUSINESS PHONE:		(847) 295-7000

	MAIL ADDRESS:	
		STREET 1:		9931 FRANKLIN AVENUE
		CITY:			FRANKLIN PARK
		STATE:			IL
		ZIP:			60131
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd236152.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-02-27</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001410172</issuerCik>
        <issuerName>Rubicon Technology, Inc.</issuerName>
        <issuerTradingSymbol>RBCN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001418016</rptOwnerCik>
            <rptOwnerName>Aquilano Don N</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O RUBICON TECHNOLOGY INC.</rptOwnerStreet1>
            <rptOwnerStreet2>9931 FRANKLIN AVENUE</rptOwnerStreet2>
            <rptOwnerCity>FRANKLIN PARK</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60131</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>4.01</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2009-02-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>13964</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2019-02-27</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>13964</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>13964</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Options vest at the rate of 25% of the total option grant at the end of each quarter of fiscal 2009 (March 31, 2009, June 30, 2009, September 30, 2009 and December 31, 2009).</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Scott Glickson, attorney-in-fact</signatureName>
        <signatureDate>2009-03-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----