<SEC-DOCUMENT>0001017303-12-000042.txt : 20120814
<SEC-HEADER>0001017303-12-000042.hdr.sgml : 20120814
<ACCEPTANCE-DATETIME>20120814115301
ACCESSION NUMBER:		0001017303-12-000042
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20120813
FILED AS OF DATE:		20120814
DATE AS OF CHANGE:		20120814

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TRANSACT TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0001017303
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER PERIPHERAL EQUIPMENT, NEC [3577]
		IRS NUMBER:				061456680
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE HAMDEN CENTER
		STREET 2:		2319 WHITNEY AVENUE, SUITE 3B
		CITY:			HAMDEN
		STATE:			CT
		ZIP:			06518
		BUSINESS PHONE:		203-859-6800

	MAIL ADDRESS:	
		STREET 1:		ONE HAMDEN CENTER
		STREET 2:		2319 WHITNEY AVENUE, SUITE 3B
		CITY:			HAMDEN
		STATE:			CT
		ZIP:			06518

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DILLON JOHN
		CENTRAL INDEX KEY:			0001106992

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-21121
		FILM NUMBER:		121030764

	MAIL ADDRESS:	
		STREET 1:		500 SANSOME ST
		STREET 2:		C/O PLUMTREE SOFTWARE INC
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94111
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2012-08-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001017303</issuerCik>
        <issuerName>TRANSACT TECHNOLOGIES INC</issuerName>
        <issuerTradingSymbol>TACT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001106992</rptOwnerCik>
            <rptOwnerName>DILLON JOHN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ENGINE YARD</rptOwnerStreet1>
            <rptOwnerStreet2>500 THIRD STREET, SUITE 510</rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94107</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2012-08-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>7.4</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents the acquisition of 5,000 shares in 12 separate transactions, ranging from $7.07 to $7.49, resulting in a weighted average acquisition price of $7.40. For all transactions reported in this Form 4 utilizing a weighted average price, the reporting person undertakes to provide upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares acquired at each separate price within the range.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Steven A. DeMartino, Attorney-In-Fact</signatureName>
        <signatureDate>2012-08-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
