-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 JIfVXo14TdTpDvO6UhbpRw==

<SEC-DOCUMENT>0001372029-10-000002.txt : 20100916
<SEC-HEADER>0001372029-10-000002.hdr.sgml : 20100916
<ACCEPTANCE-DATETIME>20100916172901
ACCESSION NUMBER:		0001372029-10-000002
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
FILED AS OF DATE:		20100916
DATE AS OF CHANGE:		20100916
EFFECTIVENESS DATE:		20100916

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEZMI CORP
		CENTRAL INDEX KEY:			0001372029
		IRS NUMBER:				020688600
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-147880
		FILM NUMBER:		101076691

	BUSINESS ADDRESS:	
		STREET 1:		1301 SHOREWAY ROAD
		STREET 2:		SUITE 310
		CITY:			BELMONT
		STATE:			CA
		ZIP:			94002
		BUSINESS PHONE:		650-631-7100

	MAIL ADDRESS:	
		STREET 1:		1301 SHOREWAY ROAD
		STREET 2:		SUITE 310
		CITY:			BELMONT
		STATE:			CA
		ZIP:			94002

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BUILDING B INC
		DATE OF NAME CHANGE:	20060808
</SEC-HEADER>
<DOCUMENT>
<TYPE>D
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0704</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001372029</cik>
        <entityName>SEZMI CORP</entityName>
        <issuerAddress>
            <street1>1301 SHOREWAY ROAD</street1>
            <street2>SUITE 310</street2>
            <city>BELMONT</city>
            <stateOrCountry>CA</stateOrCountry>
            <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
            <zipCode>94002</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>650-631-7100</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <previousName>Yonder Entertainment Systems, Inc.</previousName>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <previousName>BUILDING B INC</previousName>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Yagyensh</firstName>
                <middleName>C.</middleName>
                <lastName>Pati</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Sezmi Corporation</street1>
                <street2>1301 Shoreway Road, Suite 310</street2>
                <city>Belmont</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94002</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Philip</firstName>
                <middleName>R.</middleName>
                <lastName>Wiser</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Sezmi Corporation</street1>
                <street2>1301 Shoreway Road, Suite 310</street2>
                <city>Belmont</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94002</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Andrew</firstName>
                <lastName>Lack</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Sezmi Corporation</street1>
                <street2>1301 Shoreway Road, Suite 310</street2>
                <city>Belmont</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94002</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Arun</firstName>
                <lastName>Netravali</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Sezmi Corporation</street1>
                <street2>1301 Shoreway Road, Suite 310</street2>
                <city>Belmont</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94002</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Robert</firstName>
                <middleName>D.</middleName>
                <lastName>Pavey</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Sezmi Corporation</street1>
                <street2>1301 Shoreway Road, Suite 310</street2>
                <city>Belmont</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94002</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Adrian</firstName>
                <lastName>Steckel</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Sezmi Corporation</street1>
                <street2>1301 Shoreway Road, Suite 310</street2>
                <city>Belmont</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94002</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Martin</firstName>
                <middleName>J.</middleName>
                <lastName>Lundie</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Sezmi Corporation</street1>
                <street2>1301 Shoreway Road, Suite 310</street2>
                <city>Belmont</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94002</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Kevin</firstName>
                <lastName>Grundy</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Sezmi Corporation</street1>
                <street2>1301 Shoreway Road, Suite 310</street2>
                <city>Belmont</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94002</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Dato' Yeoh Seok</firstName>
                <lastName>Hong</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Sezmi Corporation</street1>
                <street2>1301 Shoreway Road, Suite 310</street2>
                <city>Belmont</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94002</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other Technology</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2010-09-14</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>17318611</totalOfferingAmount>
            <totalAmountSold>17318611</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>2</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>SEZMI CORP</issuerName>
                <signatureName>/s/ Martin J. Lundie</signatureName>
                <nameOfSigner>Martin J. Lundie</nameOfSigner>
                <signatureTitle>Chief Financial Officer</signatureTitle>
                <signatureDate>2010-09-16</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----