<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0401</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001455921</cik>
        <entityName>Segetis, Inc.</entityName>
        <issuerAddress>
            <street1>680 MENDELSSOHN AVENUE N.</street1>
            <street2></street2>
            <city>GOLDEN VALLEY</city>
            <stateOrCountry>MN</stateOrCountry>
            <zipCode>55427</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>763-795-7200</issuerPhoneNumber>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2006</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Sergey</firstName>
                <middleName></middleName>
                <lastName>Selifonov</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Segetis, Inc.</street1>
                <street2>680 Mendelssohn Ave. N.</street2>
                <city>Golden Valley</city>
                <stateOrCountry>MN</stateOrCountry>
                <zipCode>55427</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Olga</firstName>
                <middleName></middleName>
                <lastName>Selifonova</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Segetis, Inc.</street1>
                <street2>680 Mendelssohn Ave. N.</street2>
                <city>Golden Valley</city>
                <stateOrCountry>MN</stateOrCountry>
                <zipCode>55427</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>James</firstName>
                <middleName>R.</middleName>
                <lastName>Stoppert</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1615 San Giovanni Dr.</street1>
                <street2></street2>
                <city>Miramar Beach</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>32550</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Patrick</firstName>
                <middleName></middleName>
                <lastName>Gruber</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>8800 Sage Valley Rd.</street1>
                <street2></street2>
                <city>Longmont</city>
                <stateOrCountry>CO</stateOrCountry>
                <zipCode>80503</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Samir</firstName>
                <middleName></middleName>
                <lastName>Kaul</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Khosla Ventures II, L.P.</street1>
                <street2>3000 Sand Hill Road, Bldg 3, Suite 170</street2>
                <city>Menlo Park</city>
                <stateOrCountry>CA</stateOrCountry>
                <zipCode>94025</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0001455921-09-000003</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2009-02-04</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isDebtType>true</isDebtType>
            <isOptionToAcquireType>true</isOptionToAcquireType>
            <isSecurityToBeAcquiredType>true</isSecurityToBeAcquiredType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>5005000</totalOfferingAmount>
            <totalAmountSold>4004000</totalAmountSold>
            <totalRemaining>1001000</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>Segetis, Inc.</issuerName>
                <signatureName>Olga Selifonova</signatureName>
                <nameOfSigner>Olga Selifonova</nameOfSigner>
                <signatureTitle>Secretary</signatureTitle>
                <signatureDate>2009-07-07</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
