-----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,
 GJy6473+QS8eV00s7I0zqSIeRhklnkrZSzYW0Xp6W2xiVoc9eQUgsRN6nS3RE2oD
 hTJSrY98X8gOlID4hUpJXQ==

<SEC-DOCUMENT>0001295768-09-000002.txt : 20090514
<SEC-HEADER>0001295768-09-000002.hdr.sgml : 20090514
<ACCEPTANCE-DATETIME>20090514154831
ACCESSION NUMBER:		0001295768-09-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090514
FILED AS OF DATE:		20090514
DATE AS OF CHANGE:		20090514

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Klotz Paul
		CENTRAL INDEX KEY:			0001295768

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31949
		FILM NUMBER:		09826544

	MAIL ADDRESS:	
		STREET 1:		1955 LAKEWAY DRIVE
		STREET 2:		SUITE 220
		CITY:			LEWISVILLE
		STATE:			TX
		ZIP:			75057

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INX Inc
		CENTRAL INDEX KEY:			0001020017
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-COMPUTER & PERIPHERAL EQUIPMENT & SOFTWARE [5045]
		IRS NUMBER:				760515249
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		6401 SOUTHWEST FREEWAY
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77074
		BUSINESS PHONE:		7137952000

	MAIL ADDRESS:	
		STREET 1:		6401 SOUTHWEST FREEWAY
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77074

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	I SECTOR CORP
		DATE OF NAME CHANGE:	20010712

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALLSTAR SYSTEMS INC
		DATE OF NAME CHANGE:	19960730
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-05-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001020017</issuerCik>
        <issuerName>INX Inc</issuerName>
        <issuerTradingSymbol>INXI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001295768</rptOwnerCik>
            <rptOwnerName>Klotz Paul</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1955 LAKEWAY DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 220</rptOwnerStreet2>
            <rptOwnerCity>LEWISVILLE</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75057</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-05-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>300</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>4.5</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6816</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>Paul Klotz</signatureName>
        <signatureDate>2009-05-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----