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    <link:label xlink:type="resource" xlink:label="label_insm_TherapureBiopharmaIncContractManufacturingAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_TherapureBiopharmaIncContractManufacturingAgreementMember" xml:lang="en-US" id="label_insm_TherapureBiopharmaIncContractManufacturingAgreementMember">Therapure Biopharma Inc Contract Manufacturing Agreement [Member]</link:label>
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    <link:label xlink:type="resource" xlink:label="label_insm_TherapureBiopharmaIncContractManufacturingAgreementMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_TherapureBiopharmaIncContractManufacturingAgreementMember" xml:lang="en-US" id="label_insm_TherapureBiopharmaIncContractManufacturingAgreementMember_1">Therapure</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_TherapureBiopharmaIncContractManufacturingAgreementMember" xlink:to="label_insm_TherapureBiopharmaIncContractManufacturingAgreementMember_1" xlink:title="label: TherapureBiopharmaIncContractManufacturingAgreementMember to label_insm_TherapureBiopharmaIncContractManufacturingAgreementMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_TherapureBiopharmaIncContractManufacturingAgreementMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_TherapureBiopharmaIncContractManufacturingAgreementMember" xml:lang="en-US" id="label_insm_TherapureBiopharmaIncContractManufacturingAgreementMember_2">Represents the agreement with Therapure Biopharma Inc., for manufacture of the entity product ARIKAYCE, liposomal amikacin for inhalation.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_TherapureBiopharmaIncContractManufacturingAgreementMember" xlink:to="label_insm_TherapureBiopharmaIncContractManufacturingAgreementMember_2" xlink:title="label: TherapureBiopharmaIncContractManufacturingAgreementMember to label_insm_TherapureBiopharmaIncContractManufacturingAgreementMember" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_InitialTermOfContractManufacturingAgreement" xlink:label="insm_InitialTermOfContractManufacturingAgreement" xlink:title="InitialTermOfContractManufacturingAgreement" />
    <link:label xlink:type="resource" xlink:label="label_insm_InitialTermOfContractManufacturingAgreement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_InitialTermOfContractManufacturingAgreement" xml:lang="en-US" id="label_insm_InitialTermOfContractManufacturingAgreement">Initial term of contract manufacturing agreement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_InitialTermOfContractManufacturingAgreement" xlink:to="label_insm_InitialTermOfContractManufacturingAgreement" xlink:title="label: InitialTermOfContractManufacturingAgreement to label_insm_InitialTermOfContractManufacturingAgreement" />
    <link:label xlink:type="resource" xlink:label="label_insm_InitialTermOfContractManufacturingAgreement_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_InitialTermOfContractManufacturingAgreement" xml:lang="en-US" id="label_insm_InitialTermOfContractManufacturingAgreement_1">Represents the initial period of contract manufacturing agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_InitialTermOfContractManufacturingAgreement" xlink:to="label_insm_InitialTermOfContractManufacturingAgreement_1" xlink:title="label: InitialTermOfContractManufacturingAgreement to label_insm_InitialTermOfContractManufacturingAgreement" />
    <link:label xlink:type="resource" xlink:label="label_insm_InitialTermOfContractManufacturingAgreement_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_InitialTermOfContractManufacturingAgreement" xml:lang="en-US" id="label_insm_InitialTermOfContractManufacturingAgreement_2">Initial Term of Contract Manufacturing Agreement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_InitialTermOfContractManufacturingAgreement" xlink:to="label_insm_InitialTermOfContractManufacturingAgreement_2" xlink:title="label: InitialTermOfContractManufacturingAgreement to label_insm_InitialTermOfContractManufacturingAgreement" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_PeriodOfEachAutomaticRenewalOfContractManufacturingAgreement" xlink:label="insm_PeriodOfEachAutomaticRenewalOfContractManufacturingAgreement" xlink:title="PeriodOfEachAutomaticRenewalOfContractManufacturingAgreement" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_PeriodOfEachAutomaticRenewalOfContractManufacturingAgreement" xlink:to="label_insm_PeriodOfEachAutomaticRenewalOfContractManufacturingAgreement" xlink:title="label: PeriodOfEachAutomaticRenewalOfContractManufacturingAgreement to label_insm_PeriodOfEachAutomaticRenewalOfContractManufacturingAgreement" />
    <link:label xlink:type="resource" xlink:label="label_insm_PeriodOfEachAutomaticRenewalOfContractManufacturingAgreement_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_PeriodOfEachAutomaticRenewalOfContractManufacturingAgreement" xml:lang="en-US" id="label_insm_PeriodOfEachAutomaticRenewalOfContractManufacturingAgreement_1">Period of each automatic renewal of contract manufacturing agreement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_PeriodOfEachAutomaticRenewalOfContractManufacturingAgreement" xlink:to="label_insm_PeriodOfEachAutomaticRenewalOfContractManufacturingAgreement_1" xlink:title="label: PeriodOfEachAutomaticRenewalOfContractManufacturingAgreement to label_insm_PeriodOfEachAutomaticRenewalOfContractManufacturingAgreement" />
    <link:label xlink:type="resource" xlink:label="label_insm_PeriodOfEachAutomaticRenewalOfContractManufacturingAgreement_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_PeriodOfEachAutomaticRenewalOfContractManufacturingAgreement" xml:lang="en-US" id="label_insm_PeriodOfEachAutomaticRenewalOfContractManufacturingAgreement_2">Represents the period of each automatic renewal of contract manufacturing agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_PeriodOfEachAutomaticRenewalOfContractManufacturingAgreement" xlink:to="label_insm_PeriodOfEachAutomaticRenewalOfContractManufacturingAgreement_2" xlink:title="label: PeriodOfEachAutomaticRenewalOfContractManufacturingAgreement to label_insm_PeriodOfEachAutomaticRenewalOfContractManufacturingAgreement" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_WrittenNoticePeriodForTerminationOfContractManufacturingAgreement" xlink:label="insm_WrittenNoticePeriodForTerminationOfContractManufacturingAgreement" xlink:title="WrittenNoticePeriodForTerminationOfContractManufacturingAgreement" />
    <link:label xlink:type="resource" xlink:label="label_insm_WrittenNoticePeriodForTerminationOfContractManufacturingAgreement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_WrittenNoticePeriodForTerminationOfContractManufacturingAgreement" xml:lang="en-US" id="label_insm_WrittenNoticePeriodForTerminationOfContractManufacturingAgreement">Written Notice Period for Termination of Contract Manufacturing Agreement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_WrittenNoticePeriodForTerminationOfContractManufacturingAgreement" xlink:to="label_insm_WrittenNoticePeriodForTerminationOfContractManufacturingAgreement" xlink:title="label: WrittenNoticePeriodForTerminationOfContractManufacturingAgreement to label_insm_WrittenNoticePeriodForTerminationOfContractManufacturingAgreement" />
    <link:label xlink:type="resource" xlink:label="label_insm_WrittenNoticePeriodForTerminationOfContractManufacturingAgreement_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_WrittenNoticePeriodForTerminationOfContractManufacturingAgreement" xml:lang="en-US" id="label_insm_WrittenNoticePeriodForTerminationOfContractManufacturingAgreement_1">Written notice period required for termination of contract manufacturing agreement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_WrittenNoticePeriodForTerminationOfContractManufacturingAgreement" xlink:to="label_insm_WrittenNoticePeriodForTerminationOfContractManufacturingAgreement_1" xlink:title="label: WrittenNoticePeriodForTerminationOfContractManufacturingAgreement to label_insm_WrittenNoticePeriodForTerminationOfContractManufacturingAgreement" />
    <link:label xlink:type="resource" xlink:label="label_insm_WrittenNoticePeriodForTerminationOfContractManufacturingAgreement_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_WrittenNoticePeriodForTerminationOfContractManufacturingAgreement" xml:lang="en-US" id="label_insm_WrittenNoticePeriodForTerminationOfContractManufacturingAgreement_2">Represents the written notice period required for termination of contract manufacturing agreement by either party.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_WrittenNoticePeriodForTerminationOfContractManufacturingAgreement" xlink:to="label_insm_WrittenNoticePeriodForTerminationOfContractManufacturingAgreement_2" xlink:title="label: WrittenNoticePeriodForTerminationOfContractManufacturingAgreement to label_insm_WrittenNoticePeriodForTerminationOfContractManufacturingAgreement" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity" xlink:label="insm_AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity" xlink:title="AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity" />
    <link:label xlink:type="resource" xlink:label="label_insm_AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity" xml:lang="en-US" id="label_insm_AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity">Advance Notice Period for Termination of Contract Manufacturing Agreement by the Entity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity" xlink:to="label_insm_AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity" xlink:title="label: AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity to label_insm_AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity" />
    <link:label xlink:type="resource" xlink:label="label_insm_AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity" xml:lang="en-US" id="label_insm_AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity_1">Advance notice period for termination of contract manufacturing agreement by the entity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity" xlink:to="label_insm_AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity_1" xlink:title="label: AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity to label_insm_AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity" />
    <link:label xlink:type="resource" xlink:label="label_insm_AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity" xml:lang="en-US" id="label_insm_AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity_2">Represents the advance notice period for termination of contract manufacturing agreement by the entity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity" xlink:to="label_insm_AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity_2" xlink:title="label: AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity to label_insm_AdvanceNoticePeriodForTerminationOfContractManufacturingAgreementByTheEntity" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_ContractManufacturingAgreementMember" xlink:label="insm_ContractManufacturingAgreementMember" xlink:title="ContractManufacturingAgreementMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_ContractManufacturingAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_ContractManufacturingAgreementMember" xml:lang="en-US" id="label_insm_ContractManufacturingAgreementMember">Contract Manufacturing Agreement [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ContractManufacturingAgreementMember" xlink:to="label_insm_ContractManufacturingAgreementMember" xlink:title="label: ContractManufacturingAgreementMember to label_insm_ContractManufacturingAgreementMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_ContractManufacturingAgreementMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_ContractManufacturingAgreementMember" xml:lang="en-US" id="label_insm_ContractManufacturingAgreementMember_1">Agreement with Therapure Biopharma Inc.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ContractManufacturingAgreementMember" xlink:to="label_insm_ContractManufacturingAgreementMember_1" xlink:title="label: ContractManufacturingAgreementMember to label_insm_ContractManufacturingAgreementMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_ContractManufacturingAgreementMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_ContractManufacturingAgreementMember" xml:lang="en-US" id="label_insm_ContractManufacturingAgreementMember_2">Represents information pertaining to contract manufacturing agreement entered for the manufacture of the Company's product ARIKAYCE.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ContractManufacturingAgreementMember" xlink:to="label_insm_ContractManufacturingAgreementMember_2" xlink:title="label: ContractManufacturingAgreementMember to label_insm_ContractManufacturingAgreementMember" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationForLiabilityAwards" xlink:label="insm_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationForLiabilityAwards" xlink:title="AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationForLiabilityAwards" />
    <link:label xlink:type="resource" xlink:label="label_insm_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationForLiabilityAwards" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationForLiabilityAwards" xml:lang="en-US" id="label_insm_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationForLiabilityAwards">Reclass of stock compensation expense for liability awards to equity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationForLiabilityAwards" xlink:to="label_insm_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationForLiabilityAwards" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationForLiabilityAwards to label_insm_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationForLiabilityAwards" />
    <link:label xlink:type="resource" xlink:label="label_insm_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationForLiabilityAwards_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationForLiabilityAwards" xml:lang="en-US" id="label_insm_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationForLiabilityAwards_1">Represents the amount of reclass of equity-based compensation for liability awards to equity during the period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationForLiabilityAwards" xlink:to="label_insm_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationForLiabilityAwards_1" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationForLiabilityAwards to label_insm_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationForLiabilityAwards" />
    <link:label xlink:type="resource" xlink:label="label_insm_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationForLiabilityAwards_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationForLiabilityAwards" xml:lang="en-US" id="label_insm_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationForLiabilityAwards_2">Adjustments to Additional Paid in Capital Share based Compensation for Liability Awards</link:label>
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    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNonvestedNumber" xlink:label="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNonvestedNumber" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNonvestedNumber" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNonvestedNumber" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNonvestedNumber" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNonvestedNumber">The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are non-vested as of the balance sheet date.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNonvestedNumber" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNonvestedNumber" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNonvestedNumber to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNonvestedNumber" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNonvestedNumber_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNonvestedNumber" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNonvestedNumber_1">Share Based Compensation Arrangement by Share Based Payment Award Options Outstanding Nonvested Number</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNonvestedNumber" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNonvestedNumber_1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNonvestedNumber to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNonvestedNumber" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNonvestedNumber_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNonvestedNumber" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNonvestedNumber_2">Non-vested</link:label>
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    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember" xlink:label="insm_CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember" xlink:title="CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember" xml:lang="en-US" id="label_insm_CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember">Represents the agreement with Cystic Fibrosis Foundation Therapeutics, Inc., for research funding for the development of ARIKAYCE product.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember" xlink:to="label_insm_CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember" xlink:title="label: CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember to label_insm_CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember" xml:lang="en-US" id="label_insm_CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember_1">Cystic Fibrosis Foundation Therapeutics Inc Collaboration Agreements [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember" xlink:to="label_insm_CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember_1" xlink:title="label: CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember to label_insm_CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember" xml:lang="en-US" id="label_insm_CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember_2">CFFT</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember" xlink:to="label_insm_CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember_2" xlink:title="label: CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember to label_insm_CysticFibrosisFoundationTherapeuticsIncCollaborationAgreementsMember" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_TriActTherapeuticsIncLicenseAgreementMember" xlink:label="insm_TriActTherapeuticsIncLicenseAgreementMember" xlink:title="TriActTherapeuticsIncLicenseAgreementMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_TriActTherapeuticsIncLicenseAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_TriActTherapeuticsIncLicenseAgreementMember" xml:lang="en-US" id="label_insm_TriActTherapeuticsIncLicenseAgreementMember">Tri Act Therapeutics Inc License Agreement [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_TriActTherapeuticsIncLicenseAgreementMember" xlink:to="label_insm_TriActTherapeuticsIncLicenseAgreementMember" xlink:title="label: TriActTherapeuticsIncLicenseAgreementMember to label_insm_TriActTherapeuticsIncLicenseAgreementMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_TriActTherapeuticsIncLicenseAgreementMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_TriActTherapeuticsIncLicenseAgreementMember" xml:lang="en-US" id="label_insm_TriActTherapeuticsIncLicenseAgreementMember_1">TriAct License Agreement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_TriActTherapeuticsIncLicenseAgreementMember" xlink:to="label_insm_TriActTherapeuticsIncLicenseAgreementMember_1" xlink:title="label: TriActTherapeuticsIncLicenseAgreementMember to label_insm_TriActTherapeuticsIncLicenseAgreementMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_TriActTherapeuticsIncLicenseAgreementMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_TriActTherapeuticsIncLicenseAgreementMember" xml:lang="en-US" id="label_insm_TriActTherapeuticsIncLicenseAgreementMember_2">Represents the agreement with TriAct Therapeutics Inc, whereby it granted counter party an exclusive license for INS-18.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_TriActTherapeuticsIncLicenseAgreementMember" xlink:to="label_insm_TriActTherapeuticsIncLicenseAgreementMember_2" xlink:title="label: TriActTherapeuticsIncLicenseAgreementMember to label_insm_TriActTherapeuticsIncLicenseAgreementMember" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_AmendmentDescription" xlink:label="dei_AmendmentDescription" xlink:title="AmendmentDescription" />
    <link:label xlink:type="resource" xlink:label="label_dei_AmendmentDescription" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_AmendmentDescription" xml:lang="en-US" id="label_dei_AmendmentDescription">Amendment Description</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentDescription" xlink:to="label_dei_AmendmentDescription" xlink:title="label: AmendmentDescription to label_dei_AmendmentDescription" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived" xlink:label="insm_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived" xlink:title="CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived" />
    <link:label xlink:type="resource" xlink:label="label_insm_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived" xml:lang="en-US" id="label_insm_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived">Number of shares received</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived" xlink:to="label_insm_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived" xlink:title="label: CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived to label_insm_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived" />
    <link:label xlink:type="resource" xlink:label="label_insm_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived" xml:lang="en-US" id="label_insm_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived_1">Represents number of shares received under the collaborative arrangements.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived" xlink:to="label_insm_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived_1" xlink:title="label: CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived to label_insm_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived" />
    <link:label xlink:type="resource" xlink:label="label_insm_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived" xml:lang="en-US" id="label_insm_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived_2">Collaborative Arrangements and Noncollaborative Arrangement Transactions Number of Shares Received</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived" xlink:to="label_insm_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived_2" xlink:title="label: CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived to label_insm_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsNumberOfSharesReceived" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag" xlink:title="AmendmentFlag" />
    <link:label xlink:type="resource" xlink:label="label_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_AmendmentFlag" xml:lang="en-US" id="label_dei_AmendmentFlag">Amendment Flag</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="label_dei_AmendmentFlag" xlink:title="label: AmendmentFlag to label_dei_AmendmentFlag" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_ManufacturingEquipmentMember" xlink:label="insm_ManufacturingEquipmentMember" xlink:title="ManufacturingEquipmentMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_ManufacturingEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_ManufacturingEquipmentMember" xml:lang="en-US" id="label_insm_ManufacturingEquipmentMember">Manufacturing Equipment [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ManufacturingEquipmentMember" xlink:to="label_insm_ManufacturingEquipmentMember" xlink:title="label: ManufacturingEquipmentMember to label_insm_ManufacturingEquipmentMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_ManufacturingEquipmentMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_ManufacturingEquipmentMember" xml:lang="en-US" id="label_insm_ManufacturingEquipmentMember_1">Manufacturing Equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ManufacturingEquipmentMember" xlink:to="label_insm_ManufacturingEquipmentMember_1" xlink:title="label: ManufacturingEquipmentMember to label_insm_ManufacturingEquipmentMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_ManufacturingEquipmentMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_ManufacturingEquipmentMember" xml:lang="en-US" id="label_insm_ManufacturingEquipmentMember_2">Represents manufacturing equipment used to produce goods and services.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ManufacturingEquipmentMember" xlink:to="label_insm_ManufacturingEquipmentMember_2" xlink:title="label: ManufacturingEquipmentMember to label_insm_ManufacturingEquipmentMember" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer" xlink:label="insm_PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer" xlink:title="PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer" />
    <link:label xlink:type="resource" xlink:label="label_insm_PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer" xml:lang="en-US" id="label_insm_PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer">Property, Plant and Equipment used in Manufacturing Process Located at Contract Manufacturer</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer" xlink:to="label_insm_PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer" xlink:title="label: PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer to label_insm_PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer" />
    <link:label xlink:type="resource" xlink:label="label_insm_PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer" xml:lang="en-US" id="label_insm_PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer_1">Fixed assets used in the manufacturing process is located at contract manufacturer</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer" xlink:to="label_insm_PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer_1" xlink:title="label: PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer to label_insm_PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer" />
    <link:label xlink:type="resource" xlink:label="label_insm_PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer" xml:lang="en-US" id="label_insm_PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer_2">Represents certain owned fixed assets used in the manufacturing process is located at contract manufacturer.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer" xlink:to="label_insm_PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer_2" xlink:title="label: PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer to label_insm_PropertyPlantAndEquipmentUsedInManufacturingProcessLocatedAtContractManufacturer" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_UnrecognizedTaxBenefitsReserves" xlink:label="insm_UnrecognizedTaxBenefitsReserves" xlink:title="UnrecognizedTaxBenefitsReserves" />
    <link:label xlink:type="resource" xlink:label="label_insm_UnrecognizedTaxBenefitsReserves" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_UnrecognizedTaxBenefitsReserves" xml:lang="en-US" id="label_insm_UnrecognizedTaxBenefitsReserves">Unrecognized Tax Benefits Reserves</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_UnrecognizedTaxBenefitsReserves" xlink:to="label_insm_UnrecognizedTaxBenefitsReserves" xlink:title="label: UnrecognizedTaxBenefitsReserves to label_insm_UnrecognizedTaxBenefitsReserves" />
    <link:label xlink:type="resource" xlink:label="label_insm_UnrecognizedTaxBenefitsReserves_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_UnrecognizedTaxBenefitsReserves" xml:lang="en-US" id="label_insm_UnrecognizedTaxBenefitsReserves_1">Unrecognized tax benefits, reserves</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_UnrecognizedTaxBenefitsReserves" xlink:to="label_insm_UnrecognizedTaxBenefitsReserves_1" xlink:title="label: UnrecognizedTaxBenefitsReserves to label_insm_UnrecognizedTaxBenefitsReserves" />
    <link:label xlink:type="resource" xlink:label="label_insm_UnrecognizedTaxBenefitsReserves_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_UnrecognizedTaxBenefitsReserves" xml:lang="en-US" id="label_insm_UnrecognizedTaxBenefitsReserves_2">Represents the amount of reserves for unrecognized income tax benefits as of the date.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_UnrecognizedTaxBenefitsReserves" xlink:to="label_insm_UnrecognizedTaxBenefitsReserves_2" xlink:title="label: UnrecognizedTaxBenefitsReserves to label_insm_UnrecognizedTaxBenefitsReserves" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_MonmouthJunctionNewJerseyFacilityMember" xlink:label="insm_MonmouthJunctionNewJerseyFacilityMember" xlink:title="MonmouthJunctionNewJerseyFacilityMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_MonmouthJunctionNewJerseyFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_MonmouthJunctionNewJerseyFacilityMember" xml:lang="en-US" id="label_insm_MonmouthJunctionNewJerseyFacilityMember">Monmouth Junction New Jersey Facility [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_MonmouthJunctionNewJerseyFacilityMember" xlink:to="label_insm_MonmouthJunctionNewJerseyFacilityMember" xlink:title="label: MonmouthJunctionNewJerseyFacilityMember to label_insm_MonmouthJunctionNewJerseyFacilityMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_MonmouthJunctionNewJerseyFacilityMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_MonmouthJunctionNewJerseyFacilityMember" xml:lang="en-US" id="label_insm_MonmouthJunctionNewJerseyFacilityMember_1">Monmouth Junction New Jersey Facility</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_MonmouthJunctionNewJerseyFacilityMember" xlink:to="label_insm_MonmouthJunctionNewJerseyFacilityMember_1" xlink:title="label: MonmouthJunctionNewJerseyFacilityMember to label_insm_MonmouthJunctionNewJerseyFacilityMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_MonmouthJunctionNewJerseyFacilityMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_MonmouthJunctionNewJerseyFacilityMember" xml:lang="en-US" id="label_insm_MonmouthJunctionNewJerseyFacilityMember_2">Represent the Monmouth Junction location in New Jersey where the entity has leased office and laboratory space.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_MonmouthJunctionNewJerseyFacilityMember" xlink:to="label_insm_MonmouthJunctionNewJerseyFacilityMember_2" xlink:title="label: MonmouthJunctionNewJerseyFacilityMember to label_insm_MonmouthJunctionNewJerseyFacilityMember" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_BridgewaterNewJerseyFacilityMember" xlink:label="insm_BridgewaterNewJerseyFacilityMember" xlink:title="BridgewaterNewJerseyFacilityMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_BridgewaterNewJerseyFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_BridgewaterNewJerseyFacilityMember" xml:lang="en-US" id="label_insm_BridgewaterNewJerseyFacilityMember">Bridgewater New Jersey Facility [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_BridgewaterNewJerseyFacilityMember" xlink:to="label_insm_BridgewaterNewJerseyFacilityMember" xlink:title="label: BridgewaterNewJerseyFacilityMember to label_insm_BridgewaterNewJerseyFacilityMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_BridgewaterNewJerseyFacilityMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_BridgewaterNewJerseyFacilityMember" xml:lang="en-US" id="label_insm_BridgewaterNewJerseyFacilityMember_1">Bridgewater New Jersey Facility</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_BridgewaterNewJerseyFacilityMember" xlink:to="label_insm_BridgewaterNewJerseyFacilityMember_1" xlink:title="label: BridgewaterNewJerseyFacilityMember to label_insm_BridgewaterNewJerseyFacilityMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_BridgewaterNewJerseyFacilityMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_BridgewaterNewJerseyFacilityMember" xml:lang="en-US" id="label_insm_BridgewaterNewJerseyFacilityMember_2">Represent the Bridgewater location in New Jersey where the entity has leased office and laboratory space.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_BridgewaterNewJerseyFacilityMember" xlink:to="label_insm_BridgewaterNewJerseyFacilityMember_2" xlink:title="label: BridgewaterNewJerseyFacilityMember to label_insm_BridgewaterNewJerseyFacilityMember" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_EffectiveIncomeTaxRateReconciliationPermanentItems" xlink:label="insm_EffectiveIncomeTaxRateReconciliationPermanentItems" xlink:title="EffectiveIncomeTaxRateReconciliationPermanentItems" />
    <link:label xlink:type="resource" xlink:label="label_insm_EffectiveIncomeTaxRateReconciliationPermanentItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_EffectiveIncomeTaxRateReconciliationPermanentItems" xml:lang="en-US" id="label_insm_EffectiveIncomeTaxRateReconciliationPermanentItems">Effective Income Tax Rate Reconciliation Permanent Items</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EffectiveIncomeTaxRateReconciliationPermanentItems" xlink:to="label_insm_EffectiveIncomeTaxRateReconciliationPermanentItems" xlink:title="label: EffectiveIncomeTaxRateReconciliationPermanentItems to label_insm_EffectiveIncomeTaxRateReconciliationPermanentItems" />
    <link:label xlink:type="resource" xlink:label="label_insm_EffectiveIncomeTaxRateReconciliationPermanentItems_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_EffectiveIncomeTaxRateReconciliationPermanentItems" xml:lang="en-US" id="label_insm_EffectiveIncomeTaxRateReconciliationPermanentItems_1">Permanent items (as a percent)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EffectiveIncomeTaxRateReconciliationPermanentItems" xlink:to="label_insm_EffectiveIncomeTaxRateReconciliationPermanentItems_1" xlink:title="label: EffectiveIncomeTaxRateReconciliationPermanentItems to label_insm_EffectiveIncomeTaxRateReconciliationPermanentItems" />
    <link:label xlink:type="resource" xlink:label="label_insm_EffectiveIncomeTaxRateReconciliationPermanentItems_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_EffectiveIncomeTaxRateReconciliationPermanentItems" xml:lang="en-US" id="label_insm_EffectiveIncomeTaxRateReconciliationPermanentItems_2">The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to permanent items.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EffectiveIncomeTaxRateReconciliationPermanentItems" xlink:to="label_insm_EffectiveIncomeTaxRateReconciliationPermanentItems_2" xlink:title="label: EffectiveIncomeTaxRateReconciliationPermanentItems to label_insm_EffectiveIncomeTaxRateReconciliationPermanentItems" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_IssuanceOfPreferredStockUponMergerInShares" xlink:label="insm_IssuanceOfPreferredStockUponMergerInShares" xlink:title="IssuanceOfPreferredStockUponMergerInShares" />
    <link:label xlink:type="resource" xlink:label="label_insm_IssuanceOfPreferredStockUponMergerInShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_IssuanceOfPreferredStockUponMergerInShares" xml:lang="en-US" id="label_insm_IssuanceOfPreferredStockUponMergerInShares">Issuance of Preferred Stock upon Merger in Shares</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IssuanceOfPreferredStockUponMergerInShares" xlink:to="label_insm_IssuanceOfPreferredStockUponMergerInShares" xlink:title="label: IssuanceOfPreferredStockUponMergerInShares to label_insm_IssuanceOfPreferredStockUponMergerInShares" />
    <link:label xlink:type="resource" xlink:label="label_insm_IssuanceOfPreferredStockUponMergerInShares_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_IssuanceOfPreferredStockUponMergerInShares" xml:lang="en-US" id="label_insm_IssuanceOfPreferredStockUponMergerInShares_1">Issuance of preferred stock upon merger (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IssuanceOfPreferredStockUponMergerInShares" xlink:to="label_insm_IssuanceOfPreferredStockUponMergerInShares_1" xlink:title="label: IssuanceOfPreferredStockUponMergerInShares to label_insm_IssuanceOfPreferredStockUponMergerInShares" />
    <link:label xlink:type="resource" xlink:label="label_insm_IssuanceOfPreferredStockUponMergerInShares_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_IssuanceOfPreferredStockUponMergerInShares" xml:lang="en-US" id="label_insm_IssuanceOfPreferredStockUponMergerInShares_2">Value of preferred stock issued pursuant to acquisitions during the period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IssuanceOfPreferredStockUponMergerInShares" xlink:to="label_insm_IssuanceOfPreferredStockUponMergerInShares_2" xlink:title="label: IssuanceOfPreferredStockUponMergerInShares to label_insm_IssuanceOfPreferredStockUponMergerInShares" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_IssuanceOfCommonStockForWarrantExercises" xlink:label="insm_IssuanceOfCommonStockForWarrantExercises" xlink:title="IssuanceOfCommonStockForWarrantExercises" />
    <link:label xlink:type="resource" xlink:label="label_insm_IssuanceOfCommonStockForWarrantExercises" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_IssuanceOfCommonStockForWarrantExercises" xml:lang="en-US" id="label_insm_IssuanceOfCommonStockForWarrantExercises">Issuance of Common Stock for Warrant Exercises</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IssuanceOfCommonStockForWarrantExercises" xlink:to="label_insm_IssuanceOfCommonStockForWarrantExercises" xlink:title="label: IssuanceOfCommonStockForWarrantExercises to label_insm_IssuanceOfCommonStockForWarrantExercises" />
    <link:label xlink:type="resource" xlink:label="label_insm_IssuanceOfCommonStockForWarrantExercises_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_IssuanceOfCommonStockForWarrantExercises" xml:lang="en-US" id="label_insm_IssuanceOfCommonStockForWarrantExercises_1">Exercise of warrants (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IssuanceOfCommonStockForWarrantExercises" xlink:to="label_insm_IssuanceOfCommonStockForWarrantExercises_1" xlink:title="label: IssuanceOfCommonStockForWarrantExercises to label_insm_IssuanceOfCommonStockForWarrantExercises" />
    <link:label xlink:type="resource" xlink:label="label_insm_IssuanceOfCommonStockForWarrantExercises_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_IssuanceOfCommonStockForWarrantExercises" xml:lang="en-US" id="label_insm_IssuanceOfCommonStockForWarrantExercises_2">Shares of stock issued during the period as a result of the exercise of stock warrants.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IssuanceOfCommonStockForWarrantExercises" xlink:to="label_insm_IssuanceOfCommonStockForWarrantExercises_2" xlink:title="label: IssuanceOfCommonStockForWarrantExercises to label_insm_IssuanceOfCommonStockForWarrantExercises" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_StockIssuedDuringPeriodValueWarrantsExercised" xlink:label="insm_StockIssuedDuringPeriodValueWarrantsExercised" xlink:title="StockIssuedDuringPeriodValueWarrantsExercised" />
    <link:label xlink:type="resource" xlink:label="label_insm_StockIssuedDuringPeriodValueWarrantsExercised" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_StockIssuedDuringPeriodValueWarrantsExercised" xml:lang="en-US" id="label_insm_StockIssuedDuringPeriodValueWarrantsExercised">Value of stock issued during the period as a result of the exercise of stock warrants.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_StockIssuedDuringPeriodValueWarrantsExercised" xlink:to="label_insm_StockIssuedDuringPeriodValueWarrantsExercised" xlink:title="label: StockIssuedDuringPeriodValueWarrantsExercised to label_insm_StockIssuedDuringPeriodValueWarrantsExercised" />
    <link:label xlink:type="resource" xlink:label="label_insm_StockIssuedDuringPeriodValueWarrantsExercised_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_StockIssuedDuringPeriodValueWarrantsExercised" xml:lang="en-US" id="label_insm_StockIssuedDuringPeriodValueWarrantsExercised_1">Stock Issued During Period Value Warrants Exercised</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_StockIssuedDuringPeriodValueWarrantsExercised" xlink:to="label_insm_StockIssuedDuringPeriodValueWarrantsExercised_1" xlink:title="label: StockIssuedDuringPeriodValueWarrantsExercised to label_insm_StockIssuedDuringPeriodValueWarrantsExercised" />
    <link:label xlink:type="resource" xlink:label="label_insm_StockIssuedDuringPeriodValueWarrantsExercised_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_StockIssuedDuringPeriodValueWarrantsExercised" xml:lang="en-US" id="label_insm_StockIssuedDuringPeriodValueWarrantsExercised_2">Exercise of warrants</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_StockIssuedDuringPeriodValueWarrantsExercised" xlink:to="label_insm_StockIssuedDuringPeriodValueWarrantsExercised_2" xlink:title="label: StockIssuedDuringPeriodValueWarrantsExercised to label_insm_StockIssuedDuringPeriodValueWarrantsExercised" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_StockIssuedDuringPeriodValueMergerCommonStock" xlink:label="insm_StockIssuedDuringPeriodValueMergerCommonStock" xlink:title="StockIssuedDuringPeriodValueMergerCommonStock" />
    <link:label xlink:type="resource" xlink:label="label_insm_StockIssuedDuringPeriodValueMergerCommonStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_StockIssuedDuringPeriodValueMergerCommonStock" xml:lang="en-US" id="label_insm_StockIssuedDuringPeriodValueMergerCommonStock">Stock Issued During Period Value Merger Common Stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_StockIssuedDuringPeriodValueMergerCommonStock" xlink:to="label_insm_StockIssuedDuringPeriodValueMergerCommonStock" xlink:title="label: StockIssuedDuringPeriodValueMergerCommonStock to label_insm_StockIssuedDuringPeriodValueMergerCommonStock" />
    <link:label xlink:type="resource" xlink:label="label_insm_StockIssuedDuringPeriodValueMergerCommonStock_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_StockIssuedDuringPeriodValueMergerCommonStock" xml:lang="en-US" id="label_insm_StockIssuedDuringPeriodValueMergerCommonStock_1">Issuance of common stock upon merger</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_StockIssuedDuringPeriodValueMergerCommonStock" xlink:to="label_insm_StockIssuedDuringPeriodValueMergerCommonStock_1" xlink:title="label: StockIssuedDuringPeriodValueMergerCommonStock to label_insm_StockIssuedDuringPeriodValueMergerCommonStock" />
    <link:label xlink:type="resource" xlink:label="label_insm_StockIssuedDuringPeriodValueMergerCommonStock_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_StockIssuedDuringPeriodValueMergerCommonStock" xml:lang="en-US" id="label_insm_StockIssuedDuringPeriodValueMergerCommonStock_2">Represents the value of common stock issued during the period for a merger.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_StockIssuedDuringPeriodValueMergerCommonStock" xlink:to="label_insm_StockIssuedDuringPeriodValueMergerCommonStock_2" xlink:title="label: StockIssuedDuringPeriodValueMergerCommonStock to label_insm_StockIssuedDuringPeriodValueMergerCommonStock" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_StockIssuedDuringPeriodSharesMergerCommonStock" xlink:label="insm_StockIssuedDuringPeriodSharesMergerCommonStock" xlink:title="StockIssuedDuringPeriodSharesMergerCommonStock" />
    <link:label xlink:type="resource" xlink:label="label_insm_StockIssuedDuringPeriodSharesMergerCommonStock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_StockIssuedDuringPeriodSharesMergerCommonStock" xml:lang="en-US" id="label_insm_StockIssuedDuringPeriodSharesMergerCommonStock">Represents the number of shares of common stock issued during the period for a merger.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_StockIssuedDuringPeriodSharesMergerCommonStock" xlink:to="label_insm_StockIssuedDuringPeriodSharesMergerCommonStock" xlink:title="label: StockIssuedDuringPeriodSharesMergerCommonStock to label_insm_StockIssuedDuringPeriodSharesMergerCommonStock" />
    <link:label xlink:type="resource" xlink:label="label_insm_StockIssuedDuringPeriodSharesMergerCommonStock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_StockIssuedDuringPeriodSharesMergerCommonStock" xml:lang="en-US" id="label_insm_StockIssuedDuringPeriodSharesMergerCommonStock_1">Stock Issued During Period Shares Merger Common Stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_StockIssuedDuringPeriodSharesMergerCommonStock" xlink:to="label_insm_StockIssuedDuringPeriodSharesMergerCommonStock_1" xlink:title="label: StockIssuedDuringPeriodSharesMergerCommonStock to label_insm_StockIssuedDuringPeriodSharesMergerCommonStock" />
    <link:label xlink:type="resource" xlink:label="label_insm_StockIssuedDuringPeriodSharesMergerCommonStock_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_StockIssuedDuringPeriodSharesMergerCommonStock" xml:lang="en-US" id="label_insm_StockIssuedDuringPeriodSharesMergerCommonStock_2">Issuance of common stock upon merger (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_StockIssuedDuringPeriodSharesMergerCommonStock" xlink:to="label_insm_StockIssuedDuringPeriodSharesMergerCommonStock_2" xlink:title="label: StockIssuedDuringPeriodSharesMergerCommonStock to label_insm_StockIssuedDuringPeriodSharesMergerCommonStock" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_StockholdersEquityNoteStockSplitAdjustment" xlink:label="insm_StockholdersEquityNoteStockSplitAdjustment" xlink:title="StockholdersEquityNoteStockSplitAdjustment" />
    <link:label xlink:type="resource" xlink:label="label_insm_StockholdersEquityNoteStockSplitAdjustment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_StockholdersEquityNoteStockSplitAdjustment" xml:lang="en-US" id="label_insm_StockholdersEquityNoteStockSplitAdjustment">Stockholders Equity Note Stock Split Adjustment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_StockholdersEquityNoteStockSplitAdjustment" xlink:to="label_insm_StockholdersEquityNoteStockSplitAdjustment" xlink:title="label: StockholdersEquityNoteStockSplitAdjustment to label_insm_StockholdersEquityNoteStockSplitAdjustment" />
    <link:label xlink:type="resource" xlink:label="label_insm_StockholdersEquityNoteStockSplitAdjustment_1" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_insm_StockholdersEquityNoteStockSplitAdjustment" xml:lang="en-US" id="label_insm_StockholdersEquityNoteStockSplitAdjustment_1">1 for 10 reverse stock split</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_StockholdersEquityNoteStockSplitAdjustment" xlink:to="label_insm_StockholdersEquityNoteStockSplitAdjustment_1" xlink:title="label: StockholdersEquityNoteStockSplitAdjustment to label_insm_StockholdersEquityNoteStockSplitAdjustment" />
    <link:label xlink:type="resource" xlink:label="label_insm_StockholdersEquityNoteStockSplitAdjustment_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_StockholdersEquityNoteStockSplitAdjustment" xml:lang="en-US" id="label_insm_StockholdersEquityNoteStockSplitAdjustment_2">Represents the adjustment to equity as a result of a reverse stock split.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_StockholdersEquityNoteStockSplitAdjustment" xlink:to="label_insm_StockholdersEquityNoteStockSplitAdjustment_2" xlink:title="label: StockholdersEquityNoteStockSplitAdjustment to label_insm_StockholdersEquityNoteStockSplitAdjustment" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_DocumentAndEntityInformationAbstract" xlink:label="insm_DocumentAndEntityInformationAbstract" xlink:title="DocumentAndEntityInformationAbstract" />
    <link:label xlink:type="resource" xlink:label="label_insm_DocumentAndEntityInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_DocumentAndEntityInformationAbstract" xml:lang="en-US" id="label_insm_DocumentAndEntityInformationAbstract">Document and Entity Information</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_DocumentAndEntityInformationAbstract" xlink:to="label_insm_DocumentAndEntityInformationAbstract" xlink:title="label: DocumentAndEntityInformationAbstract to label_insm_DocumentAndEntityInformationAbstract" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_OtherAccruedLiabilitiesDisclosureTextBlock" xlink:label="insm_OtherAccruedLiabilitiesDisclosureTextBlock" xlink:title="OtherAccruedLiabilitiesDisclosureTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_insm_OtherAccruedLiabilitiesDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_OtherAccruedLiabilitiesDisclosureTextBlock" xml:lang="en-US" id="label_insm_OtherAccruedLiabilitiesDisclosureTextBlock">Other Accrued Liabilities Disclosure [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_OtherAccruedLiabilitiesDisclosureTextBlock" xlink:to="label_insm_OtherAccruedLiabilitiesDisclosureTextBlock" xlink:title="label: OtherAccruedLiabilitiesDisclosureTextBlock to label_insm_OtherAccruedLiabilitiesDisclosureTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_insm_OtherAccruedLiabilitiesDisclosureTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_OtherAccruedLiabilitiesDisclosureTextBlock" xml:lang="en-US" id="label_insm_OtherAccruedLiabilitiesDisclosureTextBlock_1">Accrued Expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_OtherAccruedLiabilitiesDisclosureTextBlock" xlink:to="label_insm_OtherAccruedLiabilitiesDisclosureTextBlock_1" xlink:title="label: OtherAccruedLiabilitiesDisclosureTextBlock to label_insm_OtherAccruedLiabilitiesDisclosureTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_insm_OtherAccruedLiabilitiesDisclosureTextBlock_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_OtherAccruedLiabilitiesDisclosureTextBlock" xml:lang="en-US" id="label_insm_OtherAccruedLiabilitiesDisclosureTextBlock_2">Disclosure of accrued liabilities, excluding liabilities related to accrued lease expense and accrued compensation.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_OtherAccruedLiabilitiesDisclosureTextBlock" xlink:to="label_insm_OtherAccruedLiabilitiesDisclosureTextBlock_2" xlink:title="label: OtherAccruedLiabilitiesDisclosureTextBlock to label_insm_OtherAccruedLiabilitiesDisclosureTextBlock" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_LicenseAndCollaborativeAgreementsAbstract" xlink:label="insm_LicenseAndCollaborativeAgreementsAbstract" xlink:title="LicenseAndCollaborativeAgreementsAbstract" />
    <link:label xlink:type="resource" xlink:label="label_insm_LicenseAndCollaborativeAgreementsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_LicenseAndCollaborativeAgreementsAbstract" xml:lang="en-US" id="label_insm_LicenseAndCollaborativeAgreementsAbstract">Collaboration Agreements</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_LicenseAndCollaborativeAgreementsAbstract" xlink:to="label_insm_LicenseAndCollaborativeAgreementsAbstract" xlink:title="label: LicenseAndCollaborativeAgreementsAbstract to label_insm_LicenseAndCollaborativeAgreementsAbstract" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_LicenseAndCollaborativeAgreementsAbstract_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_LicenseAndCollaborativeAgreementsAbstract" xml:lang="en-US" id="label_insm_LicenseAndCollaborativeAgreementsAbstract_1">Exercise of Buyout Option</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_LicenseAndCollaborativeAgreementsAbstract" xlink:to="label_insm_LicenseAndCollaborativeAgreementsAbstract_1" xlink:title="label: LicenseAndCollaborativeAgreementsAbstract to label_insm_LicenseAndCollaborativeAgreementsAbstract" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_BeneficialConversionChargeAbstract" xlink:label="insm_BeneficialConversionChargeAbstract" xlink:title="BeneficialConversionChargeAbstract" />
    <link:label xlink:type="resource" xlink:label="label_insm_BeneficialConversionChargeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_BeneficialConversionChargeAbstract" xml:lang="en-US" id="label_insm_BeneficialConversionChargeAbstract">Beneficial Conversion Charge ("BCC")</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_BeneficialConversionChargeAbstract" xlink:to="label_insm_BeneficialConversionChargeAbstract" xlink:title="label: BeneficialConversionChargeAbstract to label_insm_BeneficialConversionChargeAbstract" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_BeneficialConversionChargeAbstract_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_BeneficialConversionChargeAbstract" xml:lang="en-US" id="label_insm_BeneficialConversionChargeAbstract_1">Beneficial Conversion Charge ("BCC")</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_BeneficialConversionChargeAbstract" xlink:to="label_insm_BeneficialConversionChargeAbstract_1" xlink:title="label: BeneficialConversionChargeAbstract to label_insm_BeneficialConversionChargeAbstract" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate" xlink:title="CurrentFiscalYearEndDate" />
    <link:label xlink:type="resource" xlink:label="label_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_CurrentFiscalYearEndDate" xml:lang="en-US" id="label_dei_CurrentFiscalYearEndDate">Current Fiscal Year End Date</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CurrentFiscalYearEndDate" xlink:to="label_dei_CurrentFiscalYearEndDate" xlink:title="label: CurrentFiscalYearEndDate to label_dei_CurrentFiscalYearEndDate" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="us-gaap_AwardTypeAxis" xlink:title="AwardTypeAxis" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AwardTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AwardTypeAxis" xml:lang="en-US" id="label_us-gaap_AwardTypeAxis">Award Type [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AwardTypeAxis" xlink:to="label_us-gaap_AwardTypeAxis" xlink:title="label: AwardTypeAxis to label_us-gaap_AwardTypeAxis" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits" xlink:label="insm_MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits" xlink:title="MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits" />
    <link:label xlink:type="resource" xlink:label="label_insm_MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits" xml:lang="en-US" id="label_insm_MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits">Minimum Percentage of Likelihood for Recognition of Tax Benefits</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits" xlink:to="label_insm_MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits" xlink:title="label: MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits to label_insm_MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits" xml:lang="en-US" id="label_insm_MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits_1">Represents the minimum percentage of likelihood for recognition of tax benefits.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits" xlink:to="label_insm_MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits_1" xlink:title="label: MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits to label_insm_MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits" xml:lang="en-US" id="label_insm_MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits_2">Minimum percentage of likelihood for recognition of tax benefits (in hundredths)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits" xlink:to="label_insm_MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits_2" xlink:title="label: MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits to label_insm_MinimumPercentageOfLikelihoodForRecognitionOfTaxBenefits" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_LicenseAndCollaborativeAgreementsTextBlock" xlink:label="insm_LicenseAndCollaborativeAgreementsTextBlock" xlink:title="LicenseAndCollaborativeAgreementsTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_insm_LicenseAndCollaborativeAgreementsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_LicenseAndCollaborativeAgreementsTextBlock" xml:lang="en-US" id="label_insm_LicenseAndCollaborativeAgreementsTextBlock">License and Collaborative Agreements [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_LicenseAndCollaborativeAgreementsTextBlock" xlink:to="label_insm_LicenseAndCollaborativeAgreementsTextBlock" xlink:title="label: LicenseAndCollaborativeAgreementsTextBlock to label_insm_LicenseAndCollaborativeAgreementsTextBlock" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_LicenseAndCollaborativeAgreementsTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_LicenseAndCollaborativeAgreementsTextBlock" xml:lang="en-US" id="label_insm_LicenseAndCollaborativeAgreementsTextBlock_1">Collaboration Agreements</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_LicenseAndCollaborativeAgreementsTextBlock" xlink:to="label_insm_LicenseAndCollaborativeAgreementsTextBlock_1" xlink:title="label: LicenseAndCollaborativeAgreementsTextBlock to label_insm_LicenseAndCollaborativeAgreementsTextBlock" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_LicenseAndCollaborativeAgreementsTextBlock_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_LicenseAndCollaborativeAgreementsTextBlock" xml:lang="en-US" id="label_insm_LicenseAndCollaborativeAgreementsTextBlock_2">This entire text block refers to License and Collaborative Agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_LicenseAndCollaborativeAgreementsTextBlock" xlink:to="label_insm_LicenseAndCollaborativeAgreementsTextBlock_2" xlink:title="label: LicenseAndCollaborativeAgreementsTextBlock to label_insm_LicenseAndCollaborativeAgreementsTextBlock" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_InvestmentIncomeExpensePolicyTextBlock" xlink:label="insm_InvestmentIncomeExpensePolicyTextBlock" xlink:title="InvestmentIncomeExpensePolicyTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_insm_InvestmentIncomeExpensePolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_InvestmentIncomeExpensePolicyTextBlock" xml:lang="en-US" id="label_insm_InvestmentIncomeExpensePolicyTextBlock">Investment Income (Expense) [Policy Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_InvestmentIncomeExpensePolicyTextBlock" xlink:to="label_insm_InvestmentIncomeExpensePolicyTextBlock" xlink:title="label: InvestmentIncomeExpensePolicyTextBlock to label_insm_InvestmentIncomeExpensePolicyTextBlock" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_InvestmentIncomeExpensePolicyTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_InvestmentIncomeExpensePolicyTextBlock" xml:lang="en-US" id="label_insm_InvestmentIncomeExpensePolicyTextBlock_1">Investment Income and Interest Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_InvestmentIncomeExpensePolicyTextBlock" xlink:to="label_insm_InvestmentIncomeExpensePolicyTextBlock_1" xlink:title="label: InvestmentIncomeExpensePolicyTextBlock to label_insm_InvestmentIncomeExpensePolicyTextBlock" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_InvestmentIncomeExpensePolicyTextBlock_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_InvestmentIncomeExpensePolicyTextBlock" xml:lang="en-US" id="label_insm_InvestmentIncomeExpensePolicyTextBlock_2">Disclosure of accounting policy for components of investment income and interest expense.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_InvestmentIncomeExpensePolicyTextBlock" xlink:to="label_insm_InvestmentIncomeExpensePolicyTextBlock_2" xlink:title="label: InvestmentIncomeExpensePolicyTextBlock to label_insm_InvestmentIncomeExpensePolicyTextBlock" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_CommonStockReverseSplitPolicyTextBlock" xlink:label="insm_CommonStockReverseSplitPolicyTextBlock" xlink:title="CommonStockReverseSplitPolicyTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_insm_CommonStockReverseSplitPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_CommonStockReverseSplitPolicyTextBlock" xml:lang="en-US" id="label_insm_CommonStockReverseSplitPolicyTextBlock">Common Stock Reverse Split</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CommonStockReverseSplitPolicyTextBlock" xlink:to="label_insm_CommonStockReverseSplitPolicyTextBlock" xlink:title="label: CommonStockReverseSplitPolicyTextBlock to label_insm_CommonStockReverseSplitPolicyTextBlock" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_CommonStockReverseSplitPolicyTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_CommonStockReverseSplitPolicyTextBlock" xml:lang="en-US" id="label_insm_CommonStockReverseSplitPolicyTextBlock_1">Disclosure of accounting policy for the common stock reverse split in conformity with generally accepted accounting principles.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CommonStockReverseSplitPolicyTextBlock" xlink:to="label_insm_CommonStockReverseSplitPolicyTextBlock_1" xlink:title="label: CommonStockReverseSplitPolicyTextBlock to label_insm_CommonStockReverseSplitPolicyTextBlock" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_CommonStockReverseSplitPolicyTextBlock_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_CommonStockReverseSplitPolicyTextBlock" xml:lang="en-US" id="label_insm_CommonStockReverseSplitPolicyTextBlock_2">Common Stock Reverse Split [Policy Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CommonStockReverseSplitPolicyTextBlock" xlink:to="label_insm_CommonStockReverseSplitPolicyTextBlock_2" xlink:title="label: CommonStockReverseSplitPolicyTextBlock to label_insm_CommonStockReverseSplitPolicyTextBlock" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_BeneficialConversionChargePolicyTextBlock" xlink:label="insm_BeneficialConversionChargePolicyTextBlock" xlink:title="BeneficialConversionChargePolicyTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_insm_BeneficialConversionChargePolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_BeneficialConversionChargePolicyTextBlock" xml:lang="en-US" id="label_insm_BeneficialConversionChargePolicyTextBlock">Beneficial Conversion Charge [Policy Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_BeneficialConversionChargePolicyTextBlock" xlink:to="label_insm_BeneficialConversionChargePolicyTextBlock" xlink:title="label: BeneficialConversionChargePolicyTextBlock to label_insm_BeneficialConversionChargePolicyTextBlock" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_BeneficialConversionChargePolicyTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_BeneficialConversionChargePolicyTextBlock" xml:lang="en-US" id="label_insm_BeneficialConversionChargePolicyTextBlock_1">Beneficial Conversion Charge ("BCC")</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_BeneficialConversionChargePolicyTextBlock" xlink:to="label_insm_BeneficialConversionChargePolicyTextBlock_1" xlink:title="label: BeneficialConversionChargePolicyTextBlock to label_insm_BeneficialConversionChargePolicyTextBlock" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_BeneficialConversionChargePolicyTextBlock_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_BeneficialConversionChargePolicyTextBlock" xml:lang="en-US" id="label_insm_BeneficialConversionChargePolicyTextBlock_2">Disclosure of accounting policy for beneficial conversion charge. This accounting policy address how an entity issuing debt or equity securities that are convertible into common stock at a discount from the fair value of the common stock at the date the debt or equity financing is committed.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_BeneficialConversionChargePolicyTextBlock" xlink:to="label_insm_BeneficialConversionChargePolicyTextBlock_2" xlink:title="label: BeneficialConversionChargePolicyTextBlock to label_insm_BeneficialConversionChargePolicyTextBlock" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_AccruedClinicalTrialExpenses" xlink:label="insm_AccruedClinicalTrialExpenses" xlink:title="AccruedClinicalTrialExpenses" />
    <link:label xlink:type="resource" xlink:label="label_insm_AccruedClinicalTrialExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_AccruedClinicalTrialExpenses" xml:lang="en-US" id="label_insm_AccruedClinicalTrialExpenses">Accrued Clinical Trial Expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AccruedClinicalTrialExpenses" xlink:to="label_insm_AccruedClinicalTrialExpenses" xlink:title="label: AccruedClinicalTrialExpenses to label_insm_AccruedClinicalTrialExpenses" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_AccruedClinicalTrialExpenses_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_AccruedClinicalTrialExpenses" xml:lang="en-US" id="label_insm_AccruedClinicalTrialExpenses_1">Accrued clinical trial expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AccruedClinicalTrialExpenses" xlink:to="label_insm_AccruedClinicalTrialExpenses_1" xlink:title="label: AccruedClinicalTrialExpenses to label_insm_AccruedClinicalTrialExpenses" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_AccruedClinicalTrialExpenses_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_AccruedClinicalTrialExpenses" xml:lang="en-US" id="label_insm_AccruedClinicalTrialExpenses_2">Carrying value as of the balance sheet date of obligations incurred through that date and payable for clinical trial expenses.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AccruedClinicalTrialExpenses" xlink:to="label_insm_AccruedClinicalTrialExpenses_2" xlink:title="label: AccruedClinicalTrialExpenses to label_insm_AccruedClinicalTrialExpenses" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_LiabilityForStockBasedCompensationAwards" xlink:label="insm_LiabilityForStockBasedCompensationAwards" xlink:title="LiabilityForStockBasedCompensationAwards" />
    <link:label xlink:type="resource" xlink:label="label_insm_LiabilityForStockBasedCompensationAwards" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_LiabilityForStockBasedCompensationAwards" xml:lang="en-US" id="label_insm_LiabilityForStockBasedCompensationAwards">Liability for Stock Based Compensation Awards</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_LiabilityForStockBasedCompensationAwards" xlink:to="label_insm_LiabilityForStockBasedCompensationAwards" xlink:title="label: LiabilityForStockBasedCompensationAwards to label_insm_LiabilityForStockBasedCompensationAwards" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_LiabilityForStockBasedCompensationAwards_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_LiabilityForStockBasedCompensationAwards" xml:lang="en-US" id="label_insm_LiabilityForStockBasedCompensationAwards_1">Liability for stock-based compensation awards</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_LiabilityForStockBasedCompensationAwards" xlink:to="label_insm_LiabilityForStockBasedCompensationAwards_1" xlink:title="label: LiabilityForStockBasedCompensationAwards to label_insm_LiabilityForStockBasedCompensationAwards" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_LiabilityForStockBasedCompensationAwards_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_LiabilityForStockBasedCompensationAwards" xml:lang="en-US" id="label_insm_LiabilityForStockBasedCompensationAwards_2">Liability accrued for stock based compensation awards as of the report date.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_LiabilityForStockBasedCompensationAwards" xlink:to="label_insm_LiabilityForStockBasedCompensationAwards_2" xlink:title="label: LiabilityForStockBasedCompensationAwards to label_insm_LiabilityForStockBasedCompensationAwards" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_NoteAMember" xlink:label="insm_NoteAMember" xlink:title="NoteAMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_NoteAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_NoteAMember" xml:lang="en-US" id="label_insm_NoteAMember">One of two secured promissory notes included in the loan agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NoteAMember" xlink:to="label_insm_NoteAMember" xlink:title="label: NoteAMember to label_insm_NoteAMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NoteAMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_NoteAMember" xml:lang="en-US" id="label_insm_NoteAMember_1">Note A [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NoteAMember" xlink:to="label_insm_NoteAMember_1" xlink:title="label: NoteAMember to label_insm_NoteAMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NoteAMember_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_NoteAMember" xml:lang="en-US" id="label_insm_NoteAMember_2">Note A</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NoteAMember" xlink:to="label_insm_NoteAMember_2" xlink:title="label: NoteAMember to label_insm_NoteAMember" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_NoteBMember" xlink:label="insm_NoteBMember" xlink:title="NoteBMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_NoteBMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_NoteBMember" xml:lang="en-US" id="label_insm_NoteBMember">Note B [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NoteBMember" xlink:to="label_insm_NoteBMember" xlink:title="label: NoteBMember to label_insm_NoteBMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NoteBMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_NoteBMember" xml:lang="en-US" id="label_insm_NoteBMember_1">Note B</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NoteBMember" xlink:to="label_insm_NoteBMember_1" xlink:title="label: NoteBMember to label_insm_NoteBMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NoteBMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_NoteBMember" xml:lang="en-US" id="label_insm_NoteBMember_2">One of two secured promissory notes included in the loan agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NoteBMember" xlink:to="label_insm_NoteBMember_2" xlink:title="label: NoteBMember to label_insm_NoteBMember" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_NoteAAndNoteBMember" xlink:label="insm_NoteAAndNoteBMember" xlink:title="NoteAAndNoteBMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_NoteAAndNoteBMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_NoteAAndNoteBMember" xml:lang="en-US" id="label_insm_NoteAAndNoteBMember">Note A and Note B [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NoteAAndNoteBMember" xlink:to="label_insm_NoteAAndNoteBMember" xlink:title="label: NoteAAndNoteBMember to label_insm_NoteAAndNoteBMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NoteAAndNoteBMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_NoteAAndNoteBMember" xml:lang="en-US" id="label_insm_NoteAAndNoteBMember_1">Notes</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NoteAAndNoteBMember" xlink:to="label_insm_NoteAAndNoteBMember_1" xlink:title="label: NoteAAndNoteBMember to label_insm_NoteAAndNoteBMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NoteAAndNoteBMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_NoteAAndNoteBMember" xml:lang="en-US" id="label_insm_NoteAAndNoteBMember_2">Represents information pertaining to the Note A and Note B, secured promissory notes included in the loan agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NoteAAndNoteBMember" xlink:to="label_insm_NoteAAndNoteBMember_2" xlink:title="label: NoteAAndNoteBMember to label_insm_NoteAAndNoteBMember" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_IncrementalAmountOfTermLoan" xlink:label="insm_IncrementalAmountOfTermLoan" xlink:title="IncrementalAmountOfTermLoan" />
    <link:label xlink:type="resource" xlink:label="label_insm_IncrementalAmountOfTermLoan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_IncrementalAmountOfTermLoan" xml:lang="en-US" id="label_insm_IncrementalAmountOfTermLoan">Incremental Amount of Term Loan</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IncrementalAmountOfTermLoan" xlink:to="label_insm_IncrementalAmountOfTermLoan" xlink:title="label: IncrementalAmountOfTermLoan to label_insm_IncrementalAmountOfTermLoan" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_IncrementalAmountOfTermLoan_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_IncrementalAmountOfTermLoan" xml:lang="en-US" id="label_insm_IncrementalAmountOfTermLoan_1">Incremental amount of term loan</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IncrementalAmountOfTermLoan" xlink:to="label_insm_IncrementalAmountOfTermLoan_1" xlink:title="label: IncrementalAmountOfTermLoan to label_insm_IncrementalAmountOfTermLoan" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_IncrementalAmountOfTermLoan_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_IncrementalAmountOfTermLoan" xml:lang="en-US" id="label_insm_IncrementalAmountOfTermLoan_2">The increments of Company borrowings by signing two Secured Promissory Notes ("Note A and B").</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IncrementalAmountOfTermLoan" xlink:to="label_insm_IncrementalAmountOfTermLoan_2" xlink:title="label: IncrementalAmountOfTermLoan to label_insm_IncrementalAmountOfTermLoan" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate" xlink:title="DocumentPeriodEndDate" />
    <link:label xlink:type="resource" xlink:label="label_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_DocumentPeriodEndDate" xml:lang="en-US" id="label_dei_DocumentPeriodEndDate">Document Period End Date</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodEndDate" xlink:to="label_dei_DocumentPeriodEndDate" xlink:title="label: DocumentPeriodEndDate to label_dei_DocumentPeriodEndDate" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities" xlink:label="insm_MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities" xlink:title="MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities" />
    <link:label xlink:type="resource" xlink:label="label_insm_MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities" xml:lang="en-US" id="label_insm_MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities">Maximum amount of the subsequent private financing of equity securities pursuant to the Loan Agreement, which the lender has the right to participate in.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities" xlink:to="label_insm_MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities" xlink:title="label: MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities to label_insm_MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities" xml:lang="en-US" id="label_insm_MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities_1">Maximum Amount of Subsequent Private Financing of Equity Securities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities" xlink:to="label_insm_MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities_1" xlink:title="label: MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities to label_insm_MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities" xml:lang="en-US" id="label_insm_MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities_2">Limit on lender's participation rights in certain future private equity financings</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities" xlink:to="label_insm_MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities_2" xlink:title="label: MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities to label_insm_MaximumAmountOfSubsequentPrivateFinancingOfEquitySecurities" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_NumberOfSecuredPromissoryNotes" xlink:label="insm_NumberOfSecuredPromissoryNotes" xlink:title="NumberOfSecuredPromissoryNotes" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfSecuredPromissoryNotes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_NumberOfSecuredPromissoryNotes" xml:lang="en-US" id="label_insm_NumberOfSecuredPromissoryNotes">Number of Secured Promissory Notes</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfSecuredPromissoryNotes" xlink:to="label_insm_NumberOfSecuredPromissoryNotes" xlink:title="label: NumberOfSecuredPromissoryNotes to label_insm_NumberOfSecuredPromissoryNotes" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfSecuredPromissoryNotes_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_NumberOfSecuredPromissoryNotes" xml:lang="en-US" id="label_insm_NumberOfSecuredPromissoryNotes_1">Number of Secured Promissory Notes</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfSecuredPromissoryNotes" xlink:to="label_insm_NumberOfSecuredPromissoryNotes_1" xlink:title="label: NumberOfSecuredPromissoryNotes to label_insm_NumberOfSecuredPromissoryNotes" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfSecuredPromissoryNotes_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_NumberOfSecuredPromissoryNotes" xml:lang="en-US" id="label_insm_NumberOfSecuredPromissoryNotes_2">The number of Secured Promissory Notes execute to secure the Company borrowings.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfSecuredPromissoryNotes" xlink:to="label_insm_NumberOfSecuredPromissoryNotes_2" xlink:title="label: NumberOfSecuredPromissoryNotes to label_insm_NumberOfSecuredPromissoryNotes" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_DebtInstrumentPaymentPeriods" xlink:label="insm_DebtInstrumentPaymentPeriods" xlink:title="DebtInstrumentPaymentPeriods" />
    <link:label xlink:type="resource" xlink:label="label_insm_DebtInstrumentPaymentPeriods" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_DebtInstrumentPaymentPeriods" xml:lang="en-US" id="label_insm_DebtInstrumentPaymentPeriods">Description of the payment terms of the debt instrument (for example, whether periodic payments include principal and frequency of payments) and discussion about any contingencies associated with the payment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_DebtInstrumentPaymentPeriods" xlink:to="label_insm_DebtInstrumentPaymentPeriods" xlink:title="label: DebtInstrumentPaymentPeriods to label_insm_DebtInstrumentPaymentPeriods" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_DebtInstrumentPaymentPeriods_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_DebtInstrumentPaymentPeriods" xml:lang="en-US" id="label_insm_DebtInstrumentPaymentPeriods_1">Debt Instrument, Payment Periods</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_DebtInstrumentPaymentPeriods" xlink:to="label_insm_DebtInstrumentPaymentPeriods_1" xlink:title="label: DebtInstrumentPaymentPeriods to label_insm_DebtInstrumentPaymentPeriods" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_DebtInstrumentPaymentPeriods_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_DebtInstrumentPaymentPeriods" xml:lang="en-US" id="label_insm_DebtInstrumentPaymentPeriods_2">Period over which note is to be repaid</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_DebtInstrumentPaymentPeriods" xlink:to="label_insm_DebtInstrumentPaymentPeriods_2" xlink:title="label: DebtInstrumentPaymentPeriods to label_insm_DebtInstrumentPaymentPeriods" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_NumberOfPaymentPeriodsRepresentingInterestOnly" xlink:label="insm_NumberOfPaymentPeriodsRepresentingInterestOnly" xlink:title="NumberOfPaymentPeriodsRepresentingInterestOnly" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfPaymentPeriodsRepresentingInterestOnly" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_NumberOfPaymentPeriodsRepresentingInterestOnly" xml:lang="en-US" id="label_insm_NumberOfPaymentPeriodsRepresentingInterestOnly">Number of Payment Periods Representing Interest Only</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfPaymentPeriodsRepresentingInterestOnly" xlink:to="label_insm_NumberOfPaymentPeriodsRepresentingInterestOnly" xlink:title="label: NumberOfPaymentPeriodsRepresentingInterestOnly to label_insm_NumberOfPaymentPeriodsRepresentingInterestOnly" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfPaymentPeriodsRepresentingInterestOnly_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_NumberOfPaymentPeriodsRepresentingInterestOnly" xml:lang="en-US" id="label_insm_NumberOfPaymentPeriodsRepresentingInterestOnly_1">Payment periods representing interest only</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfPaymentPeriodsRepresentingInterestOnly" xlink:to="label_insm_NumberOfPaymentPeriodsRepresentingInterestOnly_1" xlink:title="label: NumberOfPaymentPeriodsRepresentingInterestOnly to label_insm_NumberOfPaymentPeriodsRepresentingInterestOnly" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfPaymentPeriodsRepresentingInterestOnly_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_NumberOfPaymentPeriodsRepresentingInterestOnly" xml:lang="en-US" id="label_insm_NumberOfPaymentPeriodsRepresentingInterestOnly_2">Number of the first monthly payment periods representing interest only.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfPaymentPeriodsRepresentingInterestOnly" xlink:to="label_insm_NumberOfPaymentPeriodsRepresentingInterestOnly_2" xlink:title="label: NumberOfPaymentPeriodsRepresentingInterestOnly to label_insm_NumberOfPaymentPeriodsRepresentingInterestOnly" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest" xlink:label="insm_NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest" xlink:title="NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest" xml:lang="en-US" id="label_insm_NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest">Periods of equal payment of principal and interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest" xlink:to="label_insm_NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest" xlink:title="label: NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest to label_insm_NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest" xml:lang="en-US" id="label_insm_NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest_1">Number of payment periods of equal payments of principal and interest.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest" xlink:to="label_insm_NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest_1" xlink:title="label: NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest to label_insm_NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest" xml:lang="en-US" id="label_insm_NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest_2">Number of Payment Periods of Equal Payments of Principal and Interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest" xlink:to="label_insm_NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest_2" xlink:title="label: NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest to label_insm_NumberOfPaymentPeriodsOfEqualPaymentsOfPrincipalAndInterest" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed" xlink:label="insm_DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed" xlink:title="DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed" />
    <link:label xlink:type="resource" xlink:label="label_insm_DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed" xml:lang="en-US" id="label_insm_DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed">Represents the period over which principal payment of notes under loan agreement could be delayed.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed" xlink:to="label_insm_DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed" xlink:title="label: DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed to label_insm_DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed" xml:lang="en-US" id="label_insm_DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed_1">Debt Instrument, Periods over which Principal Payment Could be Delayed</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed" xlink:to="label_insm_DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed_1" xlink:title="label: DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed to label_insm_DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed" xml:lang="en-US" id="label_insm_DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed_2">Period over which principal payment could be delayed</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed" xlink:to="label_insm_DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed_2" xlink:title="label: DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed to label_insm_DebtInstrumentPeriodsOverWhichPrincipalPaymentCouldBeDelayed" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_EndOfTermCharge" xlink:label="insm_EndOfTermCharge" xlink:title="EndOfTermCharge" />
    <link:label xlink:type="resource" xlink:label="label_insm_EndOfTermCharge" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_EndOfTermCharge" xml:lang="en-US" id="label_insm_EndOfTermCharge">End of Term Charge</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EndOfTermCharge" xlink:to="label_insm_EndOfTermCharge" xlink:title="label: EndOfTermCharge to label_insm_EndOfTermCharge" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_EndOfTermCharge_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_EndOfTermCharge" xml:lang="en-US" id="label_insm_EndOfTermCharge_1">"End of term" charge</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EndOfTermCharge" xlink:to="label_insm_EndOfTermCharge_1" xlink:title="label: EndOfTermCharge to label_insm_EndOfTermCharge" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_EndOfTermCharge_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_EndOfTermCharge" xml:lang="en-US" id="label_insm_EndOfTermCharge_2">The cost incurring from "end of term" charge to the Loan Agreement. This expense is being charged to interest expense using the effective interest method over the life of the Loan Agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EndOfTermCharge" xlink:to="label_insm_EndOfTermCharge_2" xlink:title="label: EndOfTermCharge to label_insm_EndOfTermCharge" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_AdditionalInterestRateToOutstandingLoanBalances" xlink:label="insm_AdditionalInterestRateToOutstandingLoanBalances" xlink:title="AdditionalInterestRateToOutstandingLoanBalances" />
    <link:label xlink:type="resource" xlink:label="label_insm_AdditionalInterestRateToOutstandingLoanBalances" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_AdditionalInterestRateToOutstandingLoanBalances" xml:lang="en-US" id="label_insm_AdditionalInterestRateToOutstandingLoanBalances">Additional Interest Rate to Outstanding Loan Balances</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AdditionalInterestRateToOutstandingLoanBalances" xlink:to="label_insm_AdditionalInterestRateToOutstandingLoanBalances" xlink:title="label: AdditionalInterestRateToOutstandingLoanBalances to label_insm_AdditionalInterestRateToOutstandingLoanBalances" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_AdditionalInterestRateToOutstandingLoanBalances_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_AdditionalInterestRateToOutstandingLoanBalances" xml:lang="en-US" id="label_insm_AdditionalInterestRateToOutstandingLoanBalances_1">Additional interest rate in event of default (as a percent)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AdditionalInterestRateToOutstandingLoanBalances" xlink:to="label_insm_AdditionalInterestRateToOutstandingLoanBalances_1" xlink:title="label: AdditionalInterestRateToOutstandingLoanBalances to label_insm_AdditionalInterestRateToOutstandingLoanBalances" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_AdditionalInterestRateToOutstandingLoanBalances_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_AdditionalInterestRateToOutstandingLoanBalances" xml:lang="en-US" id="label_insm_AdditionalInterestRateToOutstandingLoanBalances_2">Represents an additional interest rate charge to outstanding loan balances in event of a default.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AdditionalInterestRateToOutstandingLoanBalances" xlink:to="label_insm_AdditionalInterestRateToOutstandingLoanBalances_2" xlink:title="label: AdditionalInterestRateToOutstandingLoanBalances to label_insm_AdditionalInterestRateToOutstandingLoanBalances" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_AddAbstract" xlink:label="insm_AddAbstract" xlink:title="AddAbstract" />
    <link:label xlink:type="resource" xlink:label="label_insm_AddAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_AddAbstract" xml:lang="en-US" id="label_insm_AddAbstract">Add [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AddAbstract" xlink:to="label_insm_AddAbstract" xlink:title="label: AddAbstract to label_insm_AddAbstract" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_AddAbstract_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_AddAbstract" xml:lang="en-US" id="label_insm_AddAbstract_1">Add:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AddAbstract" xlink:to="label_insm_AddAbstract_1" xlink:title="label: AddAbstract to label_insm_AddAbstract" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_LessAbstract" xlink:label="insm_LessAbstract" xlink:title="LessAbstract" />
    <link:label xlink:type="resource" xlink:label="label_insm_LessAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_LessAbstract" xml:lang="en-US" id="label_insm_LessAbstract">Less [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_LessAbstract" xlink:to="label_insm_LessAbstract" xlink:title="label: LessAbstract to label_insm_LessAbstract" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_LessAbstract_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_LessAbstract" xml:lang="en-US" id="label_insm_LessAbstract_1">Less:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_LessAbstract" xlink:to="label_insm_LessAbstract_1" xlink:title="label: LessAbstract to label_insm_LessAbstract" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_AdditionalChargeAtEndOfTerm" xlink:label="insm_AdditionalChargeAtEndOfTerm" xlink:title="AdditionalChargeAtEndOfTerm" />
    <link:label xlink:type="resource" xlink:label="label_insm_AdditionalChargeAtEndOfTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_AdditionalChargeAtEndOfTerm" xml:lang="en-US" id="label_insm_AdditionalChargeAtEndOfTerm">Accretion of end of term charge</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AdditionalChargeAtEndOfTerm" xlink:to="label_insm_AdditionalChargeAtEndOfTerm" xlink:title="label: AdditionalChargeAtEndOfTerm to label_insm_AdditionalChargeAtEndOfTerm" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_AdditionalChargeAtEndOfTerm_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_AdditionalChargeAtEndOfTerm" xml:lang="en-US" id="label_insm_AdditionalChargeAtEndOfTerm_1">Represents the cumulative amount of the end of term charge which has been accreted as of the balance sheet date.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AdditionalChargeAtEndOfTerm" xlink:to="label_insm_AdditionalChargeAtEndOfTerm_1" xlink:title="label: AdditionalChargeAtEndOfTerm to label_insm_AdditionalChargeAtEndOfTerm" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_AdditionalChargeAtEndOfTerm_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_AdditionalChargeAtEndOfTerm" xml:lang="en-US" id="label_insm_AdditionalChargeAtEndOfTerm_2">Additional Charge at End of Term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AdditionalChargeAtEndOfTerm" xlink:to="label_insm_AdditionalChargeAtEndOfTerm_2" xlink:title="label: AdditionalChargeAtEndOfTerm to label_insm_AdditionalChargeAtEndOfTerm" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_UnamortizedDiscountFromWarrant" xlink:label="insm_UnamortizedDiscountFromWarrant" xlink:title="UnamortizedDiscountFromWarrant" />
    <link:label xlink:type="resource" xlink:label="label_insm_UnamortizedDiscountFromWarrant" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_UnamortizedDiscountFromWarrant" xml:lang="en-US" id="label_insm_UnamortizedDiscountFromWarrant">Unamortized Discount from Warrant</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_UnamortizedDiscountFromWarrant" xlink:to="label_insm_UnamortizedDiscountFromWarrant" xlink:title="label: UnamortizedDiscountFromWarrant to label_insm_UnamortizedDiscountFromWarrant" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_UnamortizedDiscountFromWarrant_1" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_insm_UnamortizedDiscountFromWarrant" xml:lang="en-US" id="label_insm_UnamortizedDiscountFromWarrant_1">Discount from warrant</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_UnamortizedDiscountFromWarrant" xlink:to="label_insm_UnamortizedDiscountFromWarrant_1" xlink:title="label: UnamortizedDiscountFromWarrant to label_insm_UnamortizedDiscountFromWarrant" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_UnamortizedDiscountFromWarrant_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_UnamortizedDiscountFromWarrant" xml:lang="en-US" id="label_insm_UnamortizedDiscountFromWarrant_2">Unamortized discount from the issuance of warrants as of the report date.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_UnamortizedDiscountFromWarrant" xlink:to="label_insm_UnamortizedDiscountFromWarrant_2" xlink:title="label: UnamortizedDiscountFromWarrant to label_insm_UnamortizedDiscountFromWarrant" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:title="ArrangementsAndNonarrangementTransactionsMember" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ArrangementsAndNonarrangementTransactionsMember" xml:lang="en-US" id="label_us-gaap_ArrangementsAndNonarrangementTransactionsMember">Arrangements and Non-arrangement Transactions [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:to="label_us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:title="label: ArrangementsAndNonarrangementTransactionsMember to label_us-gaap_ArrangementsAndNonarrangementTransactionsMember" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_PremacureLicenseAgreementMember" xlink:label="insm_PremacureLicenseAgreementMember" xlink:title="PremacureLicenseAgreementMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_PremacureLicenseAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_PremacureLicenseAgreementMember" xml:lang="en-US" id="label_insm_PremacureLicenseAgreementMember">Premacure License Agreement [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_PremacureLicenseAgreementMember" xlink:to="label_insm_PremacureLicenseAgreementMember" xlink:title="label: PremacureLicenseAgreementMember to label_insm_PremacureLicenseAgreementMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_PremacureLicenseAgreementMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_PremacureLicenseAgreementMember" xml:lang="en-US" id="label_insm_PremacureLicenseAgreementMember_1">Premacure License Agreement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_PremacureLicenseAgreementMember" xlink:to="label_insm_PremacureLicenseAgreementMember_1" xlink:title="label: PremacureLicenseAgreementMember to label_insm_PremacureLicenseAgreementMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_PremacureLicenseAgreementMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_PremacureLicenseAgreementMember" xml:lang="en-US" id="label_insm_PremacureLicenseAgreementMember_2">Represents the agreement with Premacure Holdings AB and Premacure AB of Sweden pursuant to which the reporting entity granted an exclusive worldwide license to develop manufacture and commercialize IGH-1, with its natural binding protein, IGFBP-3, for the prevention and treatment of complications of preterm birth.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_PremacureLicenseAgreementMember" xlink:to="label_insm_PremacureLicenseAgreementMember_2" xlink:title="label: PremacureLicenseAgreementMember to label_insm_PremacureLicenseAgreementMember" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_OptionPriceForLicense" xlink:label="insm_OptionPriceForLicense" xlink:title="OptionPriceForLicense" />
    <link:label xlink:type="resource" xlink:label="label_insm_OptionPriceForLicense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_OptionPriceForLicense" xml:lang="en-US" id="label_insm_OptionPriceForLicense">Option Price for License</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_OptionPriceForLicense" xlink:to="label_insm_OptionPriceForLicense" xlink:title="label: OptionPriceForLicense to label_insm_OptionPriceForLicense" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_OptionPriceForLicense_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_OptionPriceForLicense" xml:lang="en-US" id="label_insm_OptionPriceForLicense_1">License purchase option price</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_OptionPriceForLicense" xlink:to="label_insm_OptionPriceForLicense_1" xlink:title="label: OptionPriceForLicense to label_insm_OptionPriceForLicense" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_OptionPriceForLicense_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_OptionPriceForLicense" xml:lang="en-US" id="label_insm_OptionPriceForLicense_2">Represents the option provided to the licensee to purchase a fully paid option for cash payment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_OptionPriceForLicense" xlink:to="label_insm_OptionPriceForLicense_2" xlink:title="label: OptionPriceForLicense to label_insm_OptionPriceForLicense" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_ProceedsFromSaleOfLicense" xlink:label="insm_ProceedsFromSaleOfLicense" xlink:title="ProceedsFromSaleOfLicense" />
    <link:label xlink:type="resource" xlink:label="label_insm_ProceedsFromSaleOfLicense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_ProceedsFromSaleOfLicense" xml:lang="en-US" id="label_insm_ProceedsFromSaleOfLicense">Proceeds from Sale of License</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ProceedsFromSaleOfLicense" xlink:to="label_insm_ProceedsFromSaleOfLicense" xlink:title="label: ProceedsFromSaleOfLicense to label_insm_ProceedsFromSaleOfLicense" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ProceedsFromSaleOfLicense_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_ProceedsFromSaleOfLicense" xml:lang="en-US" id="label_insm_ProceedsFromSaleOfLicense_1">Proceeds from sale of license</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ProceedsFromSaleOfLicense" xlink:to="label_insm_ProceedsFromSaleOfLicense_1" xlink:title="label: ProceedsFromSaleOfLicense to label_insm_ProceedsFromSaleOfLicense" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ProceedsFromSaleOfLicense_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_ProceedsFromSaleOfLicense" xml:lang="en-US" id="label_insm_ProceedsFromSaleOfLicense_2">Represents the amount received by the entity in sale of a fully paid license related to the entity's product(s).</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ProceedsFromSaleOfLicense" xlink:to="label_insm_ProceedsFromSaleOfLicense_2" xlink:title="label: ProceedsFromSaleOfLicense to label_insm_ProceedsFromSaleOfLicense" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_RoyaltyPaymentPeriod" xlink:label="insm_RoyaltyPaymentPeriod" xlink:title="RoyaltyPaymentPeriod" />
    <link:label xlink:type="resource" xlink:label="label_insm_RoyaltyPaymentPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_RoyaltyPaymentPeriod" xml:lang="en-US" id="label_insm_RoyaltyPaymentPeriod">Royalty Payment Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_RoyaltyPaymentPeriod" xlink:to="label_insm_RoyaltyPaymentPeriod" xlink:title="label: RoyaltyPaymentPeriod to label_insm_RoyaltyPaymentPeriod" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_RoyaltyPaymentPeriod_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_RoyaltyPaymentPeriod" xml:lang="en-US" id="label_insm_RoyaltyPaymentPeriod_1">Royalty payment period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_RoyaltyPaymentPeriod" xlink:to="label_insm_RoyaltyPaymentPeriod_1" xlink:title="label: RoyaltyPaymentPeriod to label_insm_RoyaltyPaymentPeriod" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_RoyaltyPaymentPeriod_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_RoyaltyPaymentPeriod" xml:lang="en-US" id="label_insm_RoyaltyPaymentPeriod_2">Period for royalty payments under a research and development agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_RoyaltyPaymentPeriod" xlink:to="label_insm_RoyaltyPaymentPeriod_2" xlink:title="label: RoyaltyPaymentPeriod to label_insm_RoyaltyPaymentPeriod" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments" xlink:label="insm_PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments" xlink:title="PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments" />
    <link:label xlink:type="resource" xlink:label="label_insm_PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments" xml:lang="en-US" id="label_insm_PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments">Period for Meeting Sales Milestones for Additional Royalty Payments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments" xlink:to="label_insm_PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments" xlink:title="label: PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments to label_insm_PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments" xml:lang="en-US" id="label_insm_PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments_1">Period for meeting sales milestones for additional royalty payments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments" xlink:to="label_insm_PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments_1" xlink:title="label: PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments to label_insm_PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments" xml:lang="en-US" id="label_insm_PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments_2">Period for meeting sales milestones for additional royalty payments after the drug is commercialized.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments" xlink:to="label_insm_PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments_2" xlink:title="label: PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments to label_insm_PeriodForMeetingSalesMilestonesForAdditionalRoyaltyPayments" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_AdditionalRoyaltyGuaranteesCommitmentsAmount" xlink:label="insm_AdditionalRoyaltyGuaranteesCommitmentsAmount" xlink:title="AdditionalRoyaltyGuaranteesCommitmentsAmount" />
    <link:label xlink:type="resource" xlink:label="label_insm_AdditionalRoyaltyGuaranteesCommitmentsAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_AdditionalRoyaltyGuaranteesCommitmentsAmount" xml:lang="en-US" id="label_insm_AdditionalRoyaltyGuaranteesCommitmentsAmount">Additional Royalty Guarantees Commitments Amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AdditionalRoyaltyGuaranteesCommitmentsAmount" xlink:to="label_insm_AdditionalRoyaltyGuaranteesCommitmentsAmount" xlink:title="label: AdditionalRoyaltyGuaranteesCommitmentsAmount to label_insm_AdditionalRoyaltyGuaranteesCommitmentsAmount" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_AdditionalRoyaltyGuaranteesCommitmentsAmount_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_AdditionalRoyaltyGuaranteesCommitmentsAmount" xml:lang="en-US" id="label_insm_AdditionalRoyaltyGuaranteesCommitmentsAmount_1">Royalty payable on meeting certain sales milestones</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AdditionalRoyaltyGuaranteesCommitmentsAmount" xlink:to="label_insm_AdditionalRoyaltyGuaranteesCommitmentsAmount_1" xlink:title="label: AdditionalRoyaltyGuaranteesCommitmentsAmount to label_insm_AdditionalRoyaltyGuaranteesCommitmentsAmount" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_AdditionalRoyaltyGuaranteesCommitmentsAmount_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_AdditionalRoyaltyGuaranteesCommitmentsAmount" xml:lang="en-US" id="label_insm_AdditionalRoyaltyGuaranteesCommitmentsAmount_2">Amount of royalty payments if entity meets certain milestones under a research and development agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AdditionalRoyaltyGuaranteesCommitmentsAmount" xlink:to="label_insm_AdditionalRoyaltyGuaranteesCommitmentsAmount_2" xlink:title="label: AdditionalRoyaltyGuaranteesCommitmentsAmount to label_insm_AdditionalRoyaltyGuaranteesCommitmentsAmount" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_BeneficialConversionChargeTextBlock" xlink:label="insm_BeneficialConversionChargeTextBlock" xlink:title="BeneficialConversionChargeTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_insm_BeneficialConversionChargeTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_BeneficialConversionChargeTextBlock" xml:lang="en-US" id="label_insm_BeneficialConversionChargeTextBlock">Complete disclosure of the company's beneficial conversion charge related to debt and equity securities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_BeneficialConversionChargeTextBlock" xlink:to="label_insm_BeneficialConversionChargeTextBlock" xlink:title="label: BeneficialConversionChargeTextBlock to label_insm_BeneficialConversionChargeTextBlock" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_BeneficialConversionChargeTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_BeneficialConversionChargeTextBlock" xml:lang="en-US" id="label_insm_BeneficialConversionChargeTextBlock_1">Beneficial Conversion Charge [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_BeneficialConversionChargeTextBlock" xlink:to="label_insm_BeneficialConversionChargeTextBlock_1" xlink:title="label: BeneficialConversionChargeTextBlock to label_insm_BeneficialConversionChargeTextBlock" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_BeneficialConversionChargeTextBlock_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_BeneficialConversionChargeTextBlock" xml:lang="en-US" id="label_insm_BeneficialConversionChargeTextBlock_2">Beneficial Conversion Charge ("BCC")</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_BeneficialConversionChargeTextBlock" xlink:to="label_insm_BeneficialConversionChargeTextBlock_2" xlink:title="label: BeneficialConversionChargeTextBlock to label_insm_BeneficialConversionChargeTextBlock" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_ComputerHardwareAndSoftwareMember" xlink:label="insm_ComputerHardwareAndSoftwareMember" xlink:title="ComputerHardwareAndSoftwareMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_ComputerHardwareAndSoftwareMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_ComputerHardwareAndSoftwareMember" xml:lang="en-US" id="label_insm_ComputerHardwareAndSoftwareMember">Computer Hardware and Software [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ComputerHardwareAndSoftwareMember" xlink:to="label_insm_ComputerHardwareAndSoftwareMember" xlink:title="label: ComputerHardwareAndSoftwareMember to label_insm_ComputerHardwareAndSoftwareMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ComputerHardwareAndSoftwareMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_ComputerHardwareAndSoftwareMember" xml:lang="en-US" id="label_insm_ComputerHardwareAndSoftwareMember_1">Computer hardware and software</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ComputerHardwareAndSoftwareMember" xlink:to="label_insm_ComputerHardwareAndSoftwareMember_1" xlink:title="label: ComputerHardwareAndSoftwareMember to label_insm_ComputerHardwareAndSoftwareMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ComputerHardwareAndSoftwareMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_ComputerHardwareAndSoftwareMember" xml:lang="en-US" id="label_insm_ComputerHardwareAndSoftwareMember_2">Purchased computer hardware and software applications.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ComputerHardwareAndSoftwareMember" xlink:to="label_insm_ComputerHardwareAndSoftwareMember_2" xlink:title="label: ComputerHardwareAndSoftwareMember to label_insm_ComputerHardwareAndSoftwareMember" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_AmendedAndRestated2000StockIncentivePlanMember" xlink:label="insm_AmendedAndRestated2000StockIncentivePlanMember" xlink:title="AmendedAndRestated2000StockIncentivePlanMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_AmendedAndRestated2000StockIncentivePlanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_AmendedAndRestated2000StockIncentivePlanMember" xml:lang="en-US" id="label_insm_AmendedAndRestated2000StockIncentivePlanMember">Amended and Restated 2000 Stock Incentive Plan [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AmendedAndRestated2000StockIncentivePlanMember" xlink:to="label_insm_AmendedAndRestated2000StockIncentivePlanMember" xlink:title="label: AmendedAndRestated2000StockIncentivePlanMember to label_insm_AmendedAndRestated2000StockIncentivePlanMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_AmendedAndRestated2000StockIncentivePlanMember_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_AmendedAndRestated2000StockIncentivePlanMember" xml:lang="en-US" id="label_insm_AmendedAndRestated2000StockIncentivePlanMember_1">Represents the Amended and Restated 2000 Stock Incentive Plan.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AmendedAndRestated2000StockIncentivePlanMember" xlink:to="label_insm_AmendedAndRestated2000StockIncentivePlanMember_1" xlink:title="label: AmendedAndRestated2000StockIncentivePlanMember to label_insm_AmendedAndRestated2000StockIncentivePlanMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_AmendedAndRestated2000StockIncentivePlanMember_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_AmendedAndRestated2000StockIncentivePlanMember" xml:lang="en-US" id="label_insm_AmendedAndRestated2000StockIncentivePlanMember_2">Previous equity compensation plan</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AmendedAndRestated2000StockIncentivePlanMember" xlink:to="label_insm_AmendedAndRestated2000StockIncentivePlanMember_2" xlink:title="label: AmendedAndRestated2000StockIncentivePlanMember to label_insm_AmendedAndRestated2000StockIncentivePlanMember" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_IncentivePlan2013Member" xlink:label="insm_IncentivePlan2013Member" xlink:title="IncentivePlan2013Member" />
    <link:label xlink:type="resource" xlink:label="label_insm_IncentivePlan2013Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_IncentivePlan2013Member" xml:lang="en-US" id="label_insm_IncentivePlan2013Member">Incentive Plan, 2013 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IncentivePlan2013Member" xlink:to="label_insm_IncentivePlan2013Member" xlink:title="label: IncentivePlan2013Member to label_insm_IncentivePlan2013Member" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_IncentivePlan2013Member_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_IncentivePlan2013Member" xml:lang="en-US" id="label_insm_IncentivePlan2013Member_1">Represents the 2013 Incentive Plan.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IncentivePlan2013Member" xlink:to="label_insm_IncentivePlan2013Member_1" xlink:title="label: IncentivePlan2013Member to label_insm_IncentivePlan2013Member" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_IncentivePlan2013Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_IncentivePlan2013Member" xml:lang="en-US" id="label_insm_IncentivePlan2013Member_2">2013 Incentive Plan</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IncentivePlan2013Member" xlink:to="label_insm_IncentivePlan2013Member_2" xlink:title="label: IncentivePlan2013Member to label_insm_IncentivePlan2013Member" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares" xlink:label="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares">Share Based Compensation Arrangement by Share Based Payment Award, Right to Purchase Maximum Value of Shares</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares_1">Value of shares that can be purchased under the plan per year</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares_1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares_2">The maximum value which each eligible employee can purchase under the plan per year.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares_2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardRightToPurchaseMaximumValueOfShares" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_WeightedAverageRemainingContractualLifeInYearsAbstract" xlink:label="insm_WeightedAverageRemainingContractualLifeInYearsAbstract" xlink:title="WeightedAverageRemainingContractualLifeInYearsAbstract" />
    <link:label xlink:type="resource" xlink:label="label_insm_WeightedAverageRemainingContractualLifeInYearsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_WeightedAverageRemainingContractualLifeInYearsAbstract" xml:lang="en-US" id="label_insm_WeightedAverageRemainingContractualLifeInYearsAbstract">Weighted Average Remaining Contractual Life</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_WeightedAverageRemainingContractualLifeInYearsAbstract" xlink:to="label_insm_WeightedAverageRemainingContractualLifeInYearsAbstract" xlink:title="label: WeightedAverageRemainingContractualLifeInYearsAbstract to label_insm_WeightedAverageRemainingContractualLifeInYearsAbstract" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_WeightedAverageRemainingContractualLifeInYearsAbstract_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_WeightedAverageRemainingContractualLifeInYearsAbstract" xml:lang="en-US" id="label_insm_WeightedAverageRemainingContractualLifeInYearsAbstract_1">Weighted Average Remaining Contractual Life in Years [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_WeightedAverageRemainingContractualLifeInYearsAbstract" xlink:to="label_insm_WeightedAverageRemainingContractualLifeInYearsAbstract_1" xlink:title="label: WeightedAverageRemainingContractualLifeInYearsAbstract to label_insm_WeightedAverageRemainingContractualLifeInYearsAbstract" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_Range1Member" xlink:label="insm_Range1Member" xlink:title="Range1Member" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_Range1Member" xml:lang="en-US" id="label_insm_Range1Member">Range 1 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range1Member" xlink:to="label_insm_Range1Member" xlink:title="label: Range1Member to label_insm_Range1Member" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range1Member_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_Range1Member" xml:lang="en-US" id="label_insm_Range1Member_1">$3.03 to $3.29</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range1Member" xlink:to="label_insm_Range1Member_1" xlink:title="label: Range1Member to label_insm_Range1Member" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range1Member_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_Range1Member" xml:lang="en-US" id="label_insm_Range1Member_2">Selected disclosure of Stock options outstanding and exercisable by share price exercise range.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range1Member" xlink:to="label_insm_Range1Member_2" xlink:title="label: Range1Member to label_insm_Range1Member" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_Range2Member" xlink:label="insm_Range2Member" xlink:title="Range2Member" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range2Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_Range2Member" xml:lang="en-US" id="label_insm_Range2Member">Range 2 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range2Member" xlink:to="label_insm_Range2Member" xlink:title="label: Range2Member to label_insm_Range2Member" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range2Member_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_Range2Member" xml:lang="en-US" id="label_insm_Range2Member_1">$3.40 to $3.40</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range2Member" xlink:to="label_insm_Range2Member_1" xlink:title="label: Range2Member to label_insm_Range2Member" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range2Member_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_Range2Member" xml:lang="en-US" id="label_insm_Range2Member_2">Selected disclosure of Stock options outstanding and exercisable by share price exercise range.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range2Member" xlink:to="label_insm_Range2Member_2" xlink:title="label: Range2Member to label_insm_Range2Member" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_Range3Member" xlink:label="insm_Range3Member" xlink:title="Range3Member" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range3Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_Range3Member" xml:lang="en-US" id="label_insm_Range3Member">Range 3 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range3Member" xlink:to="label_insm_Range3Member" xlink:title="label: Range3Member to label_insm_Range3Member" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range3Member_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_Range3Member" xml:lang="en-US" id="label_insm_Range3Member_1">$3.48 to $6.90</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range3Member" xlink:to="label_insm_Range3Member_1" xlink:title="label: Range3Member to label_insm_Range3Member" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range3Member_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_Range3Member" xml:lang="en-US" id="label_insm_Range3Member_2">Selected disclosure of Stock options outstanding and exercisable by share price exercise range.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range3Member" xlink:to="label_insm_Range3Member_2" xlink:title="label: Range3Member to label_insm_Range3Member" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_Range4Member" xlink:label="insm_Range4Member" xlink:title="Range4Member" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range4Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_Range4Member" xml:lang="en-US" id="label_insm_Range4Member">Range 4 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range4Member" xlink:to="label_insm_Range4Member" xlink:title="label: Range4Member to label_insm_Range4Member" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range4Member_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_Range4Member" xml:lang="en-US" id="label_insm_Range4Member_1">$6.96 to $10.35</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range4Member" xlink:to="label_insm_Range4Member_1" xlink:title="label: Range4Member to label_insm_Range4Member" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range4Member_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_Range4Member" xml:lang="en-US" id="label_insm_Range4Member_2">Selected disclosure of Stock options outstanding and exercisable by share price exercise range.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range4Member" xlink:to="label_insm_Range4Member_2" xlink:title="label: Range4Member to label_insm_Range4Member" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_Range5Member" xlink:label="insm_Range5Member" xlink:title="Range5Member" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range5Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_Range5Member" xml:lang="en-US" id="label_insm_Range5Member">Range 5 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range5Member" xlink:to="label_insm_Range5Member" xlink:title="label: Range5Member to label_insm_Range5Member" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range5Member_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_Range5Member" xml:lang="en-US" id="label_insm_Range5Member_1">$11.14 to $11.46</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range5Member" xlink:to="label_insm_Range5Member_1" xlink:title="label: Range5Member to label_insm_Range5Member" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range5Member_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_Range5Member" xml:lang="en-US" id="label_insm_Range5Member_2">Selected disclosure of Stock options outstanding and exercisable by share price exercise range.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range5Member" xlink:to="label_insm_Range5Member_2" xlink:title="label: Range5Member to label_insm_Range5Member" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_Range6Member" xlink:label="insm_Range6Member" xlink:title="Range6Member" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range6Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_Range6Member" xml:lang="en-US" id="label_insm_Range6Member">Range 6 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range6Member" xlink:to="label_insm_Range6Member" xlink:title="label: Range6Member to label_insm_Range6Member" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range6Member_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_Range6Member" xml:lang="en-US" id="label_insm_Range6Member_1">$12.44 to $12.44</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range6Member" xlink:to="label_insm_Range6Member_1" xlink:title="label: Range6Member to label_insm_Range6Member" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range6Member_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_Range6Member" xml:lang="en-US" id="label_insm_Range6Member_2">Selected disclosure of Stock options outstanding and exercisable by share price exercise range.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range6Member" xlink:to="label_insm_Range6Member_2" xlink:title="label: Range6Member to label_insm_Range6Member" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_Range7Member" xlink:label="insm_Range7Member" xlink:title="Range7Member" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range7Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_Range7Member" xml:lang="en-US" id="label_insm_Range7Member">Range 7 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range7Member" xlink:to="label_insm_Range7Member" xlink:title="label: Range7Member to label_insm_Range7Member" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range7Member_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_Range7Member" xml:lang="en-US" id="label_insm_Range7Member_1">$12.58 to $12.58</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range7Member" xlink:to="label_insm_Range7Member_1" xlink:title="label: Range7Member to label_insm_Range7Member" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range7Member_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_Range7Member" xml:lang="en-US" id="label_insm_Range7Member_2">Selected disclosure of Stock options outstanding and exercisable by share price exercise range.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range7Member" xlink:to="label_insm_Range7Member_2" xlink:title="label: Range7Member to label_insm_Range7Member" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_Range8Member" xlink:label="insm_Range8Member" xlink:title="Range8Member" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range8Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_Range8Member" xml:lang="en-US" id="label_insm_Range8Member">Range 8 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range8Member" xlink:to="label_insm_Range8Member" xlink:title="label: Range8Member to label_insm_Range8Member" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range8Member_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_Range8Member" xml:lang="en-US" id="label_insm_Range8Member_1">$12.70 to $15.61</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range8Member" xlink:to="label_insm_Range8Member_1" xlink:title="label: Range8Member to label_insm_Range8Member" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range8Member_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_Range8Member" xml:lang="en-US" id="label_insm_Range8Member_2">Selected disclosure of Stock options outstanding and exercisable by share price exercise range.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range8Member" xlink:to="label_insm_Range8Member_2" xlink:title="label: Range8Member to label_insm_Range8Member" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_Range9Member" xlink:label="insm_Range9Member" xlink:title="Range9Member" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range9Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_Range9Member" xml:lang="en-US" id="label_insm_Range9Member">Range 9 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range9Member" xlink:to="label_insm_Range9Member" xlink:title="label: Range9Member to label_insm_Range9Member" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range9Member_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_Range9Member" xml:lang="en-US" id="label_insm_Range9Member_1">$15.63 to $20.49</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range9Member" xlink:to="label_insm_Range9Member_1" xlink:title="label: Range9Member to label_insm_Range9Member" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range9Member_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_Range9Member" xml:lang="en-US" id="label_insm_Range9Member_2">Selected disclosure of Stock options outstanding and exercisable by share price exercise range.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range9Member" xlink:to="label_insm_Range9Member_2" xlink:title="label: Range9Member to label_insm_Range9Member" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_Range10Member" xlink:label="insm_Range10Member" xlink:title="Range10Member" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range10Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_Range10Member" xml:lang="en-US" id="label_insm_Range10Member">Range 10 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range10Member" xlink:to="label_insm_Range10Member" xlink:title="label: Range10Member to label_insm_Range10Member" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range10Member_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_Range10Member" xml:lang="en-US" id="label_insm_Range10Member_1">$21.54 to $21.54</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range10Member" xlink:to="label_insm_Range10Member_1" xlink:title="label: Range10Member to label_insm_Range10Member" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_Range10Member_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_Range10Member" xml:lang="en-US" id="label_insm_Range10Member_2">Selected disclosure of Stock options outstanding and exercisable by share price exercise range.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_Range10Member" xlink:to="label_insm_Range10Member_2" xlink:title="label: Range10Member to label_insm_Range10Member" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_RestrictedStockAndRestrictedStockUnitsMember" xlink:label="insm_RestrictedStockAndRestrictedStockUnitsMember" xlink:title="RestrictedStockAndRestrictedStockUnitsMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_RestrictedStockAndRestrictedStockUnitsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_RestrictedStockAndRestrictedStockUnitsMember" xml:lang="en-US" id="label_insm_RestrictedStockAndRestrictedStockUnitsMember">Restricted Stock and Restricted Stock Units [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_RestrictedStockAndRestrictedStockUnitsMember" xlink:to="label_insm_RestrictedStockAndRestrictedStockUnitsMember" xlink:title="label: RestrictedStockAndRestrictedStockUnitsMember to label_insm_RestrictedStockAndRestrictedStockUnitsMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_RestrictedStockAndRestrictedStockUnitsMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_RestrictedStockAndRestrictedStockUnitsMember" xml:lang="en-US" id="label_insm_RestrictedStockAndRestrictedStockUnitsMember_1">Restricted Stock and Restricted Stock Units</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_RestrictedStockAndRestrictedStockUnitsMember" xlink:to="label_insm_RestrictedStockAndRestrictedStockUnitsMember_1" xlink:title="label: RestrictedStockAndRestrictedStockUnitsMember to label_insm_RestrictedStockAndRestrictedStockUnitsMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_RestrictedStockAndRestrictedStockUnitsMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_RestrictedStockAndRestrictedStockUnitsMember" xml:lang="en-US" id="label_insm_RestrictedStockAndRestrictedStockUnitsMember_2">Shares and stock units that an entity has not yet issued because the agreed-upon consideration, such as employee services, has not yet been received.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_RestrictedStockAndRestrictedStockUnitsMember" xlink:to="label_insm_RestrictedStockAndRestrictedStockUnitsMember_2" xlink:title="label: RestrictedStockAndRestrictedStockUnitsMember to label_insm_RestrictedStockAndRestrictedStockUnitsMember" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu" xlink:label="insm_NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu" xlink:title="NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu" xml:lang="en-US" id="label_insm_NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu">Number of Common Shares to be Received in Lieu of Per Rs and Rsu</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu" xlink:to="label_insm_NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu" xlink:title="label: NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu to label_insm_NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu" xml:lang="en-US" id="label_insm_NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu_1">Number of common shares each award holder is entitled to receive</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu" xlink:to="label_insm_NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu_1" xlink:title="label: NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu to label_insm_NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu" xml:lang="en-US" id="label_insm_NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu_2">Number of shares of common stock each restricted stock award entitles the holder to receive upon completion of a specific period of service or achievement of a specified milestone.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu" xlink:to="label_insm_NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu_2" xlink:title="label: NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu to label_insm_NumberOfCommonSharesToBeReceivedInLieuOfPerRsAndRsu" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber" xlink:label="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber">Share Based Compensation Arrangement by Share Based Payment Award other than Options Vested and Expected to Vest Outstanding Number</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber_1">Expected to Vest (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber_1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber_2">As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the other than option plan.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber_2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_WeightedAverageGrantPriceExpectedToVest" xlink:label="insm_WeightedAverageGrantPriceExpectedToVest" xlink:title="WeightedAverageGrantPriceExpectedToVest" />
    <link:label xlink:type="resource" xlink:label="label_insm_WeightedAverageGrantPriceExpectedToVest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_WeightedAverageGrantPriceExpectedToVest" xml:lang="en-US" id="label_insm_WeightedAverageGrantPriceExpectedToVest">Expected to Vest (in dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_WeightedAverageGrantPriceExpectedToVest" xlink:to="label_insm_WeightedAverageGrantPriceExpectedToVest" xlink:title="label: WeightedAverageGrantPriceExpectedToVest to label_insm_WeightedAverageGrantPriceExpectedToVest" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_WeightedAverageGrantPriceExpectedToVest_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_WeightedAverageGrantPriceExpectedToVest" xml:lang="en-US" id="label_insm_WeightedAverageGrantPriceExpectedToVest_1">Weighted average grant price of other than options instruments expected to vest.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_WeightedAverageGrantPriceExpectedToVest" xlink:to="label_insm_WeightedAverageGrantPriceExpectedToVest_1" xlink:title="label: WeightedAverageGrantPriceExpectedToVest to label_insm_WeightedAverageGrantPriceExpectedToVest" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_WeightedAverageGrantPriceExpectedToVest_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_WeightedAverageGrantPriceExpectedToVest" xml:lang="en-US" id="label_insm_WeightedAverageGrantPriceExpectedToVest_2">Weighted Average Grant Price Expected to Vest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_WeightedAverageGrantPriceExpectedToVest" xlink:to="label_insm_WeightedAverageGrantPriceExpectedToVest_2" xlink:title="label: WeightedAverageGrantPriceExpectedToVest to label_insm_WeightedAverageGrantPriceExpectedToVest" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee" xlink:label="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee">Share Based Compensation Arrangement by Share Based Payment Award, Awards in Excess of Maximum Number of Shares Allowed Per Employee</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee_1">RSUs and stock options in excess of the per person annual sub-limits</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee_1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee_2">Represents the number of share based compensation awards which exceeded the maximum number of awards allowable per employee.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee_2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsInExcessOfMaximumNumberOfSharesAllowedPerEmployee" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_NumberOfLeases" xlink:label="insm_NumberOfLeases" xlink:title="NumberOfLeases" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfLeases" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_NumberOfLeases" xml:lang="en-US" id="label_insm_NumberOfLeases">Number of Leases</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfLeases" xlink:to="label_insm_NumberOfLeases" xlink:title="label: NumberOfLeases to label_insm_NumberOfLeases" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfLeases_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_NumberOfLeases" xml:lang="en-US" id="label_insm_NumberOfLeases_1">Number of Leases</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfLeases" xlink:to="label_insm_NumberOfLeases_1" xlink:title="label: NumberOfLeases to label_insm_NumberOfLeases" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfLeases_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_NumberOfLeases" xml:lang="en-US" id="label_insm_NumberOfLeases_2">Number of operating leases for office and laboratory space located in Monmouth Junction, NJ.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfLeases" xlink:to="label_insm_NumberOfLeases_2" xlink:title="label: NumberOfLeases to label_insm_NumberOfLeases" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_NewJerseyFacilityMember" xlink:label="insm_NewJerseyFacilityMember" xlink:title="NewJerseyFacilityMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_NewJerseyFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_NewJerseyFacilityMember" xml:lang="en-US" id="label_insm_NewJerseyFacilityMember">New Jersey Facility</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NewJerseyFacilityMember" xlink:to="label_insm_NewJerseyFacilityMember" xlink:title="label: NewJerseyFacilityMember to label_insm_NewJerseyFacilityMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NewJerseyFacilityMember_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_NewJerseyFacilityMember" xml:lang="en-US" id="label_insm_NewJerseyFacilityMember_1">Represent the location in New Jersey where the entity has leased office and laboratory space.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NewJerseyFacilityMember" xlink:to="label_insm_NewJerseyFacilityMember_1" xlink:title="label: NewJerseyFacilityMember to label_insm_NewJerseyFacilityMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NewJerseyFacilityMember_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_NewJerseyFacilityMember" xml:lang="en-US" id="label_insm_NewJerseyFacilityMember_2">New Jersey Facility [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NewJerseyFacilityMember" xlink:to="label_insm_NewJerseyFacilityMember_2" xlink:title="label: NewJerseyFacilityMember to label_insm_NewJerseyFacilityMember" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_RichmondFacilityMember" xlink:label="insm_RichmondFacilityMember" xlink:title="RichmondFacilityMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_RichmondFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_RichmondFacilityMember" xml:lang="en-US" id="label_insm_RichmondFacilityMember">Represent the location in Virginia where the entity's previous corporate headquarters were located.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_RichmondFacilityMember" xlink:to="label_insm_RichmondFacilityMember" xlink:title="label: RichmondFacilityMember to label_insm_RichmondFacilityMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_RichmondFacilityMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_RichmondFacilityMember" xml:lang="en-US" id="label_insm_RichmondFacilityMember_1">Richmond Facility [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_RichmondFacilityMember" xlink:to="label_insm_RichmondFacilityMember_1" xlink:title="label: RichmondFacilityMember to label_insm_RichmondFacilityMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_RichmondFacilityMember_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_RichmondFacilityMember" xml:lang="en-US" id="label_insm_RichmondFacilityMember_2">Richmond facility</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_RichmondFacilityMember" xlink:to="label_insm_RichmondFacilityMember_2" xlink:title="label: RichmondFacilityMember to label_insm_RichmondFacilityMember" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_LeaseTerminationCharge" xlink:label="insm_LeaseTerminationCharge" xlink:title="LeaseTerminationCharge" />
    <link:label xlink:type="resource" xlink:label="label_insm_LeaseTerminationCharge" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_LeaseTerminationCharge" xml:lang="en-US" id="label_insm_LeaseTerminationCharge">Lease Termination Charge</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_LeaseTerminationCharge" xlink:to="label_insm_LeaseTerminationCharge" xlink:title="label: LeaseTerminationCharge to label_insm_LeaseTerminationCharge" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_LeaseTerminationCharge_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_LeaseTerminationCharge" xml:lang="en-US" id="label_insm_LeaseTerminationCharge_1">Net present value charge</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_LeaseTerminationCharge" xlink:to="label_insm_LeaseTerminationCharge_1" xlink:title="label: LeaseTerminationCharge to label_insm_LeaseTerminationCharge" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_LeaseTerminationCharge_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_LeaseTerminationCharge" xml:lang="en-US" id="label_insm_LeaseTerminationCharge_2">Represents the present value of lease recorded due to vacating the premises.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_LeaseTerminationCharge" xlink:to="label_insm_LeaseTerminationCharge_2" xlink:title="label: LeaseTerminationCharge to label_insm_LeaseTerminationCharge" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_CacchilloVInsmedMember" xlink:label="insm_CacchilloVInsmedMember" xlink:title="CacchilloVInsmedMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_CacchilloVInsmedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_CacchilloVInsmedMember" xml:lang="en-US" id="label_insm_CacchilloVInsmedMember">Cachillo V Insmed [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CacchilloVInsmedMember" xlink:to="label_insm_CacchilloVInsmedMember" xlink:title="label: CacchilloVInsmedMember to label_insm_CacchilloVInsmedMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_CacchilloVInsmedMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_CacchilloVInsmedMember" xml:lang="en-US" id="label_insm_CacchilloVInsmedMember_1">Cacchillo v. Insmed</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CacchilloVInsmedMember" xlink:to="label_insm_CacchilloVInsmedMember_1" xlink:title="label: CacchilloVInsmedMember to label_insm_CacchilloVInsmedMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_CacchilloVInsmedMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_CacchilloVInsmedMember" xml:lang="en-US" id="label_insm_CacchilloVInsmedMember_2">Represents complaint filed against the reposting entity by Angeline Cacchillo seeking monetary damages and a court order requiring the entity to support a compassionate use application to the FDA.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CacchilloVInsmedMember" xlink:to="label_insm_CacchilloVInsmedMember_2" xlink:title="label: CacchilloVInsmedMember to label_insm_CacchilloVInsmedMember" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_PikliewiczVTransaveLLCMember" xlink:label="insm_PikliewiczVTransaveLLCMember" xlink:title="PikliewiczVTransaveLLCMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_PikliewiczVTransaveLLCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_PikliewiczVTransaveLLCMember" xml:lang="en-US" id="label_insm_PikliewiczVTransaveLLCMember">Pikliewicz V Transave LLC [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_PikliewiczVTransaveLLCMember" xlink:to="label_insm_PikliewiczVTransaveLLCMember" xlink:title="label: PikliewiczVTransaveLLCMember to label_insm_PikliewiczVTransaveLLCMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_PikliewiczVTransaveLLCMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_PikliewiczVTransaveLLCMember" xml:lang="en-US" id="label_insm_PikliewiczVTransaveLLCMember_1">Pilkiewicz v. Transave LLC</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_PikliewiczVTransaveLLCMember" xlink:to="label_insm_PikliewiczVTransaveLLCMember_1" xlink:title="label: PikliewiczVTransaveLLCMember to label_insm_PikliewiczVTransaveLLCMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_PikliewiczVTransaveLLCMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_PikliewiczVTransaveLLCMember" xml:lang="en-US" id="label_insm_PikliewiczVTransaveLLCMember_2">Represents an appraisal action challenging the valuation that plaintiffs would have received in merger transaction.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_PikliewiczVTransaveLLCMember" xlink:to="label_insm_PikliewiczVTransaveLLCMember_2" xlink:title="label: PikliewiczVTransaveLLCMember to label_insm_PikliewiczVTransaveLLCMember" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings" xlink:label="insm_NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings" xlink:title="NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings" xml:lang="en-US" id="label_insm_NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings">Number of Shares under Appraisal of Combined Common Stock Holdings</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings" xlink:to="label_insm_NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings" xlink:title="label: NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings to label_insm_NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings" xml:lang="en-US" id="label_insm_NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings_1">Number of dissenting shares to Transave Merger represented in appraisal action</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings" xlink:to="label_insm_NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings_1" xlink:title="label: NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings to label_insm_NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings" xml:lang="en-US" id="label_insm_NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings_2">Number of shares requesting appraisal.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings" xlink:to="label_insm_NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings_2" xlink:title="label: NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings to label_insm_NumberOfSharesUnderAppraisalOfCombinedCommonStockHoldings" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares" xlink:label="insm_TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares" xlink:title="TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares" />
    <link:label xlink:type="resource" xlink:label="label_insm_TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares" xml:lang="en-US" id="label_insm_TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares">Total Holdback Shares as Securities for Indemnification Payments due under Merger Agreement in Shares</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares" xlink:to="label_insm_TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares" xlink:title="label: TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares to label_insm_TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares" xml:lang="en-US" id="label_insm_TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares_1">Total holdback shares as securities for indemnification payments due under merger agreement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares" xlink:to="label_insm_TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares_1" xlink:title="label: TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares to label_insm_TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares" xml:lang="en-US" id="label_insm_TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares_2">Number of shares withheld by the company as security for its indemnification of liabilities in accordance with the merger agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares" xlink:to="label_insm_TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares_2" xlink:title="label: TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares to label_insm_TotalHoldbackSharesAsSecuritiesForIndemnificationPaymentsDueUnderMergerAgreementInShares" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_OperatingLossCarryforwardsSold" xlink:label="insm_OperatingLossCarryforwardsSold" xlink:title="OperatingLossCarryforwardsSold" />
    <link:label xlink:type="resource" xlink:label="label_insm_OperatingLossCarryforwardsSold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_OperatingLossCarryforwardsSold" xml:lang="en-US" id="label_insm_OperatingLossCarryforwardsSold">Operating Loss Carryforwards Sold</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_OperatingLossCarryforwardsSold" xlink:to="label_insm_OperatingLossCarryforwardsSold" xlink:title="label: OperatingLossCarryforwardsSold to label_insm_OperatingLossCarryforwardsSold" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_OperatingLossCarryforwardsSold_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_OperatingLossCarryforwardsSold" xml:lang="en-US" id="label_insm_OperatingLossCarryforwardsSold_1">State NOLs sold under the State of New Jersey's Technology Business Tax Certificate Transfer Program</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_OperatingLossCarryforwardsSold" xlink:to="label_insm_OperatingLossCarryforwardsSold_1" xlink:title="label: OperatingLossCarryforwardsSold to label_insm_OperatingLossCarryforwardsSold" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_OperatingLossCarryforwardsSold_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_OperatingLossCarryforwardsSold" xml:lang="en-US" id="label_insm_OperatingLossCarryforwardsSold_2">The sum of net operating loss carryforwards sold by the reporting entity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_OperatingLossCarryforwardsSold" xlink:to="label_insm_OperatingLossCarryforwardsSold_2" xlink:title="label: OperatingLossCarryforwardsSold to label_insm_OperatingLossCarryforwardsSold" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_ProceedsFromSaleOfNOLNet" xlink:label="insm_ProceedsFromSaleOfNOLNet" xlink:title="ProceedsFromSaleOfNOLNet" />
    <link:label xlink:type="resource" xlink:label="label_insm_ProceedsFromSaleOfNOLNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_ProceedsFromSaleOfNOLNet" xml:lang="en-US" id="label_insm_ProceedsFromSaleOfNOLNet">Proceeds from Sale of NOL, Net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ProceedsFromSaleOfNOLNet" xlink:to="label_insm_ProceedsFromSaleOfNOLNet" xlink:title="label: ProceedsFromSaleOfNOLNet to label_insm_ProceedsFromSaleOfNOLNet" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ProceedsFromSaleOfNOLNet_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_ProceedsFromSaleOfNOLNet" xml:lang="en-US" id="label_insm_ProceedsFromSaleOfNOLNet_1">Cash proceeds from sale of NOLs, net of commissions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ProceedsFromSaleOfNOLNet" xlink:to="label_insm_ProceedsFromSaleOfNOLNet_1" xlink:title="label: ProceedsFromSaleOfNOLNet to label_insm_ProceedsFromSaleOfNOLNet" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ProceedsFromSaleOfNOLNet_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_ProceedsFromSaleOfNOLNet" xml:lang="en-US" id="label_insm_ProceedsFromSaleOfNOLNet_2">Represents the cash inflow received from the sale of net operating loss carryforwards, net of commissions.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ProceedsFromSaleOfNOLNet" xlink:to="label_insm_ProceedsFromSaleOfNOLNet_2" xlink:title="label: ProceedsFromSaleOfNOLNet to label_insm_ProceedsFromSaleOfNOLNet" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ProceedsFromSaleOfNOLNet_3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_insm_ProceedsFromSaleOfNOLNet" xml:lang="en-US" id="label_insm_ProceedsFromSaleOfNOLNet_3">Proceeds from the sale of certain net operating losses related to prior years</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ProceedsFromSaleOfNOLNet" xlink:to="label_insm_ProceedsFromSaleOfNOLNet_3" xlink:title="label: ProceedsFromSaleOfNOLNet to label_insm_ProceedsFromSaleOfNOLNet" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_IncreaseInOwnershipOfCertainShareholdersOrPublicGroup" xlink:label="insm_IncreaseInOwnershipOfCertainShareholdersOrPublicGroup" xlink:title="IncreaseInOwnershipOfCertainShareholdersOrPublicGroup" />
    <link:label xlink:type="resource" xlink:label="label_insm_IncreaseInOwnershipOfCertainShareholdersOrPublicGroup" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_IncreaseInOwnershipOfCertainShareholdersOrPublicGroup" xml:lang="en-US" id="label_insm_IncreaseInOwnershipOfCertainShareholdersOrPublicGroup">Increase in Ownership of Certain Shareholders or Public Group</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IncreaseInOwnershipOfCertainShareholdersOrPublicGroup" xlink:to="label_insm_IncreaseInOwnershipOfCertainShareholdersOrPublicGroup" xlink:title="label: IncreaseInOwnershipOfCertainShareholdersOrPublicGroup to label_insm_IncreaseInOwnershipOfCertainShareholdersOrPublicGroup" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_IncreaseInOwnershipOfCertainShareholdersOrPublicGroup_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_IncreaseInOwnershipOfCertainShareholdersOrPublicGroup" xml:lang="en-US" id="label_insm_IncreaseInOwnershipOfCertainShareholdersOrPublicGroup_1">Ownership change, as defined in Section 382, which could limit utilization of NOLs (as a percent)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IncreaseInOwnershipOfCertainShareholdersOrPublicGroup" xlink:to="label_insm_IncreaseInOwnershipOfCertainShareholdersOrPublicGroup_1" xlink:title="label: IncreaseInOwnershipOfCertainShareholdersOrPublicGroup to label_insm_IncreaseInOwnershipOfCertainShareholdersOrPublicGroup" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_IncreaseInOwnershipOfCertainShareholdersOrPublicGroup_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_IncreaseInOwnershipOfCertainShareholdersOrPublicGroup" xml:lang="en-US" id="label_insm_IncreaseInOwnershipOfCertainShareholdersOrPublicGroup_2">Represent the percentage of change in ownership which could result over a specified period that could result in a limitation on the use of NOLs.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IncreaseInOwnershipOfCertainShareholdersOrPublicGroup" xlink:to="label_insm_IncreaseInOwnershipOfCertainShareholdersOrPublicGroup_2" xlink:title="label: IncreaseInOwnershipOfCertainShareholdersOrPublicGroup to label_insm_IncreaseInOwnershipOfCertainShareholdersOrPublicGroup" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups" xlink:label="insm_PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups" xlink:title="PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups" />
    <link:label xlink:type="resource" xlink:label="label_insm_PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups" xml:lang="en-US" id="label_insm_PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups">Period of Increase in Ownership of Certain Shareholders or Public Groups</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups" xlink:to="label_insm_PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups" xlink:title="label: PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups to label_insm_PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups" xml:lang="en-US" id="label_insm_PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups_1">Period of time for measuring ownership changes under Section 382</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups" xlink:to="label_insm_PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups_1" xlink:title="label: PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups to label_insm_PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups" xml:lang="en-US" id="label_insm_PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups_2">Represent the period of time in which ownership changes are measured for purposes of applying Section 382 to limit utilization of NOLs.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups" xlink:to="label_insm_PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups_2" xlink:title="label: PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups to label_insm_PeriodOfIncreaseInOwnershipOfCertainShareholdersOrPublicGroups" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards" xlink:label="insm_EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards" xlink:title="EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards" />
    <link:label xlink:type="resource" xlink:label="label_insm_EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards" xml:lang="en-US" id="label_insm_EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards">Expired net operating loss carryforwards (as a percent)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards" xlink:to="label_insm_EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards" xlink:title="label: EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards to label_insm_EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards" xml:lang="en-US" id="label_insm_EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards_1">The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to net operating loss carryforwards.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards" xlink:to="label_insm_EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards_1" xlink:title="label: EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards to label_insm_EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards" xml:lang="en-US" id="label_insm_EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards_2">Effective Income Tax Rate Reconciliation Expired Net Operating Loss Carryforwards</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards" xlink:to="label_insm_EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards_2" xlink:title="label: EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards to label_insm_EffectiveIncomeTaxRateReconciliationExpiredNetOperatingLossCarryforwards" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax" xlink:label="insm_EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax" xlink:title="EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax" />
    <link:label xlink:type="resource" xlink:label="label_insm_EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax" xml:lang="en-US" id="label_insm_EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax">Effective Income Tax Rate Reconciliation Alternative Minimum Tax</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax" xlink:to="label_insm_EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax" xlink:title="label: EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax to label_insm_EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax" xml:lang="en-US" id="label_insm_EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax_1">Alternative minimum tax (as a percent)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax" xlink:to="label_insm_EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax_1" xlink:title="label: EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax to label_insm_EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax" xml:lang="en-US" id="label_insm_EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax_2">The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to alternative minimum tax.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax" xlink:to="label_insm_EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax_2" xlink:title="label: EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax to label_insm_EffectiveIncomeTaxRateReconciliationAlternativeMinimumTax" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="dei_EntityWellKnownSeasonedIssuer" xlink:title="EntityWellKnownSeasonedIssuer" />
    <link:label xlink:type="resource" xlink:label="label_dei_EntityWellKnownSeasonedIssuer" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityWellKnownSeasonedIssuer" xml:lang="en-US" id="label_dei_EntityWellKnownSeasonedIssuer">Entity Well-known Seasoned Issuer</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityWellKnownSeasonedIssuer" xlink:to="label_dei_EntityWellKnownSeasonedIssuer" xlink:title="label: EntityWellKnownSeasonedIssuer to label_dei_EntityWellKnownSeasonedIssuer" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_DeferredTaxLiabilitiesInProcessResearchAndDevelopment" xlink:label="insm_DeferredTaxLiabilitiesInProcessResearchAndDevelopment" xlink:title="DeferredTaxLiabilitiesInProcessResearchAndDevelopment" />
    <link:label xlink:type="resource" xlink:label="label_insm_DeferredTaxLiabilitiesInProcessResearchAndDevelopment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_DeferredTaxLiabilitiesInProcessResearchAndDevelopment" xml:lang="en-US" id="label_insm_DeferredTaxLiabilitiesInProcessResearchAndDevelopment">Deferred Tax Liabilities in Process Research and Development</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_DeferredTaxLiabilitiesInProcessResearchAndDevelopment" xlink:to="label_insm_DeferredTaxLiabilitiesInProcessResearchAndDevelopment" xlink:title="label: DeferredTaxLiabilitiesInProcessResearchAndDevelopment to label_insm_DeferredTaxLiabilitiesInProcessResearchAndDevelopment" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_DeferredTaxLiabilitiesInProcessResearchAndDevelopment_1" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_insm_DeferredTaxLiabilitiesInProcessResearchAndDevelopment" xml:lang="en-US" id="label_insm_DeferredTaxLiabilitiesInProcessResearchAndDevelopment_1">In-process research and development</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_DeferredTaxLiabilitiesInProcessResearchAndDevelopment" xlink:to="label_insm_DeferredTaxLiabilitiesInProcessResearchAndDevelopment_1" xlink:title="label: DeferredTaxLiabilitiesInProcessResearchAndDevelopment to label_insm_DeferredTaxLiabilitiesInProcessResearchAndDevelopment" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_DeferredTaxLiabilitiesInProcessResearchAndDevelopment_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_DeferredTaxLiabilitiesInProcessResearchAndDevelopment" xml:lang="en-US" id="label_insm_DeferredTaxLiabilitiesInProcessResearchAndDevelopment_2">Amount of deferred tax liability attributable to in-process research and development.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_DeferredTaxLiabilitiesInProcessResearchAndDevelopment" xlink:to="label_insm_DeferredTaxLiabilitiesInProcessResearchAndDevelopment_2" xlink:title="label: DeferredTaxLiabilitiesInProcessResearchAndDevelopment to label_insm_DeferredTaxLiabilitiesInProcessResearchAndDevelopment" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="dei_EntityVoluntaryFilers" xlink:title="EntityVoluntaryFilers" />
    <link:label xlink:type="resource" xlink:label="label_dei_EntityVoluntaryFilers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityVoluntaryFilers" xml:lang="en-US" id="label_dei_EntityVoluntaryFilers">Entity Voluntary Filers</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityVoluntaryFilers" xlink:to="label_dei_EntityVoluntaryFilers" xlink:title="label: EntityVoluntaryFilers to label_dei_EntityVoluntaryFilers" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances" xlink:label="insm_DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances" xlink:title="DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances" />
    <link:label xlink:type="resource" xlink:label="label_insm_DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_insm_DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances" xml:lang="en-US" id="label_insm_DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances">Net deferred tax assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances" xlink:to="label_insm_DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances" xlink:title="label: DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances to label_insm_DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances" xml:lang="en-US" id="label_insm_DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances_1">Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances" xlink:to="label_insm_DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances_1" xlink:title="label: DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances to label_insm_DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances" xml:lang="en-US" id="label_insm_DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances_2">Deferred Tax Assets (Liabilities) Net before Valuation Allowances</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances" xlink:to="label_insm_DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances_2" xlink:title="label: DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances to label_insm_DeferredTaxAssetsLiabilitiesNetBeforeValuationAllowances" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="dei_EntityCurrentReportingStatus" xlink:title="EntityCurrentReportingStatus" />
    <link:label xlink:type="resource" xlink:label="label_dei_EntityCurrentReportingStatus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityCurrentReportingStatus" xml:lang="en-US" id="label_dei_EntityCurrentReportingStatus">Entity Current Reporting Status</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCurrentReportingStatus" xlink:to="label_dei_EntityCurrentReportingStatus" xlink:title="label: EntityCurrentReportingStatus to label_dei_EntityCurrentReportingStatus" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_NumberOfEquityCompensationPlans" xlink:label="insm_NumberOfEquityCompensationPlans" xlink:title="NumberOfEquityCompensationPlans" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfEquityCompensationPlans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_NumberOfEquityCompensationPlans" xml:lang="en-US" id="label_insm_NumberOfEquityCompensationPlans">Number of equity compensation plans.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfEquityCompensationPlans" xlink:to="label_insm_NumberOfEquityCompensationPlans" xlink:title="label: NumberOfEquityCompensationPlans to label_insm_NumberOfEquityCompensationPlans" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfEquityCompensationPlans_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_NumberOfEquityCompensationPlans" xml:lang="en-US" id="label_insm_NumberOfEquityCompensationPlans_1">Number of Equity Compensation Plans</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfEquityCompensationPlans" xlink:to="label_insm_NumberOfEquityCompensationPlans_1" xlink:title="label: NumberOfEquityCompensationPlans to label_insm_NumberOfEquityCompensationPlans" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfEquityCompensationPlans_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_NumberOfEquityCompensationPlans" xml:lang="en-US" id="label_insm_NumberOfEquityCompensationPlans_2">Number of equity compensation plans</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfEquityCompensationPlans" xlink:to="label_insm_NumberOfEquityCompensationPlans_2" xlink:title="label: NumberOfEquityCompensationPlans to label_insm_NumberOfEquityCompensationPlans" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityFilerCategory" xlink:label="dei_EntityFilerCategory" xlink:title="EntityFilerCategory" />
    <link:label xlink:type="resource" xlink:label="label_dei_EntityFilerCategory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityFilerCategory" xml:lang="en-US" id="label_dei_EntityFilerCategory">Entity Filer Category</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFilerCategory" xlink:to="label_dei_EntityFilerCategory" xlink:title="label: EntityFilerCategory to label_dei_EntityFilerCategory" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_EquityInstrumentConvertibleBeneficialConversionFeature" xlink:label="insm_EquityInstrumentConvertibleBeneficialConversionFeature" xlink:title="EquityInstrumentConvertibleBeneficialConversionFeature" />
    <link:label xlink:type="resource" xlink:label="label_insm_EquityInstrumentConvertibleBeneficialConversionFeature" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_EquityInstrumentConvertibleBeneficialConversionFeature" xml:lang="en-US" id="label_insm_EquityInstrumentConvertibleBeneficialConversionFeature">Amount of a favorable spread to an equity instrument holder between the amount of stock being converted and the value of the securities received upon conversion.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EquityInstrumentConvertibleBeneficialConversionFeature" xlink:to="label_insm_EquityInstrumentConvertibleBeneficialConversionFeature" xlink:title="label: EquityInstrumentConvertibleBeneficialConversionFeature to label_insm_EquityInstrumentConvertibleBeneficialConversionFeature" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_EquityInstrumentConvertibleBeneficialConversionFeature_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_EquityInstrumentConvertibleBeneficialConversionFeature" xml:lang="en-US" id="label_insm_EquityInstrumentConvertibleBeneficialConversionFeature_1">Equity Instrument Convertible Beneficial Conversion Feature</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EquityInstrumentConvertibleBeneficialConversionFeature" xlink:to="label_insm_EquityInstrumentConvertibleBeneficialConversionFeature_1" xlink:title="label: EquityInstrumentConvertibleBeneficialConversionFeature to label_insm_EquityInstrumentConvertibleBeneficialConversionFeature" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_EquityInstrumentConvertibleBeneficialConversionFeature_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_EquityInstrumentConvertibleBeneficialConversionFeature" xml:lang="en-US" id="label_insm_EquityInstrumentConvertibleBeneficialConversionFeature_2">Accretion of beneficial conversion charge</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EquityInstrumentConvertibleBeneficialConversionFeature" xlink:to="label_insm_EquityInstrumentConvertibleBeneficialConversionFeature_2" xlink:title="label: EquityInstrumentConvertibleBeneficialConversionFeature to label_insm_EquityInstrumentConvertibleBeneficialConversionFeature" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityPublicFloat" xlink:label="dei_EntityPublicFloat" xlink:title="EntityPublicFloat" />
    <link:label xlink:type="resource" xlink:label="label_dei_EntityPublicFloat" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityPublicFloat" xml:lang="en-US" id="label_dei_EntityPublicFloat">Entity Public Float</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityPublicFloat" xlink:to="label_dei_EntityPublicFloat" xlink:title="label: EntityPublicFloat to label_dei_EntityPublicFloat" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_FairValueOfWarrantsInConnectionWithDebt" xlink:label="insm_FairValueOfWarrantsInConnectionWithDebt" xlink:title="FairValueOfWarrantsInConnectionWithDebt" />
    <link:label xlink:type="resource" xlink:label="label_insm_FairValueOfWarrantsInConnectionWithDebt" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_FairValueOfWarrantsInConnectionWithDebt" xml:lang="en-US" id="label_insm_FairValueOfWarrantsInConnectionWithDebt">The net change in fair value of warrants in connection with debt during the reporting period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_FairValueOfWarrantsInConnectionWithDebt" xlink:to="label_insm_FairValueOfWarrantsInConnectionWithDebt" xlink:title="label: FairValueOfWarrantsInConnectionWithDebt to label_insm_FairValueOfWarrantsInConnectionWithDebt" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_FairValueOfWarrantsInConnectionWithDebt_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_FairValueOfWarrantsInConnectionWithDebt" xml:lang="en-US" id="label_insm_FairValueOfWarrantsInConnectionWithDebt_1">Fair Value of Warrants in Connection with Debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_FairValueOfWarrantsInConnectionWithDebt" xlink:to="label_insm_FairValueOfWarrantsInConnectionWithDebt_1" xlink:title="label: FairValueOfWarrantsInConnectionWithDebt to label_insm_FairValueOfWarrantsInConnectionWithDebt" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_FairValueOfWarrantsInConnectionWithDebt_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_FairValueOfWarrantsInConnectionWithDebt" xml:lang="en-US" id="label_insm_FairValueOfWarrantsInConnectionWithDebt_2">Value of warrant exercised by converting the warrant into shares of common stock ("net issuance method")</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_FairValueOfWarrantsInConnectionWithDebt" xlink:to="label_insm_FairValueOfWarrantsInConnectionWithDebt_2" xlink:title="label: FairValueOfWarrantsInConnectionWithDebt to label_insm_FairValueOfWarrantsInConnectionWithDebt" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName" xlink:title="EntityRegistrantName" />
    <link:label xlink:type="resource" xlink:label="label_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityRegistrantName" xml:lang="en-US" id="label_dei_EntityRegistrantName">Entity Registrant Name</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="label_dei_EntityRegistrantName" xlink:title="label: EntityRegistrantName to label_dei_EntityRegistrantName" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit" xlink:label="insm_IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit" xlink:title="IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit" />
    <link:label xlink:type="resource" xlink:label="label_insm_IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit" xml:lang="en-US" id="label_insm_IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit">The increase (decrease) during the reporting period in the sum of accrued expenses and the deferred rent credit.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit" xlink:to="label_insm_IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit" xlink:title="label: IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit to label_insm_IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit" xml:lang="en-US" id="label_insm_IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit_1">Increase (Decrease) in Accrued Liabilities and Deferred Rent Credit</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit" xlink:to="label_insm_IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit_1" xlink:title="label: IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit to label_insm_IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit" xml:lang="en-US" id="label_insm_IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit_2">Accrued expenses and deferred rent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit" xlink:to="label_insm_IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit_2" xlink:title="label: IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit to label_insm_IncreaseDecreaseInAccruedLiabilitiesAndDeferredRentCredit" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey" xlink:title="EntityCentralIndexKey" />
    <link:label xlink:type="resource" xlink:label="label_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityCentralIndexKey" xml:lang="en-US" id="label_dei_EntityCentralIndexKey">Entity Central Index Key</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCentralIndexKey" xlink:to="label_dei_EntityCentralIndexKey" xlink:title="label: EntityCentralIndexKey to label_dei_EntityCentralIndexKey" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_IncreaseDecreaseInAccruedLeaseExpenses" xlink:label="insm_IncreaseDecreaseInAccruedLeaseExpenses" xlink:title="IncreaseDecreaseInAccruedLeaseExpenses" />
    <link:label xlink:type="resource" xlink:label="label_insm_IncreaseDecreaseInAccruedLeaseExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_IncreaseDecreaseInAccruedLeaseExpenses" xml:lang="en-US" id="label_insm_IncreaseDecreaseInAccruedLeaseExpenses">Increase (Decrease) in Accrued Lease Expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IncreaseDecreaseInAccruedLeaseExpenses" xlink:to="label_insm_IncreaseDecreaseInAccruedLeaseExpenses" xlink:title="label: IncreaseDecreaseInAccruedLeaseExpenses to label_insm_IncreaseDecreaseInAccruedLeaseExpenses" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_IncreaseDecreaseInAccruedLeaseExpenses_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_IncreaseDecreaseInAccruedLeaseExpenses" xml:lang="en-US" id="label_insm_IncreaseDecreaseInAccruedLeaseExpenses_1">Accrued lease expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IncreaseDecreaseInAccruedLeaseExpenses" xlink:to="label_insm_IncreaseDecreaseInAccruedLeaseExpenses_1" xlink:title="label: IncreaseDecreaseInAccruedLeaseExpenses to label_insm_IncreaseDecreaseInAccruedLeaseExpenses" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_IncreaseDecreaseInAccruedLeaseExpenses_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_IncreaseDecreaseInAccruedLeaseExpenses" xml:lang="en-US" id="label_insm_IncreaseDecreaseInAccruedLeaseExpenses_2">The increase (decrease) in accrued lease expenses not included in the increase (decrease) in other accrued liabilities and deferred rent credit.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IncreaseDecreaseInAccruedLeaseExpenses" xlink:to="label_insm_IncreaseDecreaseInAccruedLeaseExpenses_2" xlink:title="label: IncreaseDecreaseInAccruedLeaseExpenses to label_insm_IncreaseDecreaseInAccruedLeaseExpenses" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_StockIssuedDuringPeriodValueAcquisitionsPreferredStock" xlink:label="insm_StockIssuedDuringPeriodValueAcquisitionsPreferredStock" xlink:title="StockIssuedDuringPeriodValueAcquisitionsPreferredStock" />
    <link:label xlink:type="resource" xlink:label="label_insm_StockIssuedDuringPeriodValueAcquisitionsPreferredStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_StockIssuedDuringPeriodValueAcquisitionsPreferredStock" xml:lang="en-US" id="label_insm_StockIssuedDuringPeriodValueAcquisitionsPreferredStock">Stock Issued During Period Value Acquisitions Preferred Stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_StockIssuedDuringPeriodValueAcquisitionsPreferredStock" xlink:to="label_insm_StockIssuedDuringPeriodValueAcquisitionsPreferredStock" xlink:title="label: StockIssuedDuringPeriodValueAcquisitionsPreferredStock to label_insm_StockIssuedDuringPeriodValueAcquisitionsPreferredStock" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_StockIssuedDuringPeriodValueAcquisitionsPreferredStock_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_StockIssuedDuringPeriodValueAcquisitionsPreferredStock" xml:lang="en-US" id="label_insm_StockIssuedDuringPeriodValueAcquisitionsPreferredStock_1">Issuance of preferred stock upon merger</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_StockIssuedDuringPeriodValueAcquisitionsPreferredStock" xlink:to="label_insm_StockIssuedDuringPeriodValueAcquisitionsPreferredStock_1" xlink:title="label: StockIssuedDuringPeriodValueAcquisitionsPreferredStock to label_insm_StockIssuedDuringPeriodValueAcquisitionsPreferredStock" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_StockIssuedDuringPeriodValueAcquisitionsPreferredStock_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_StockIssuedDuringPeriodValueAcquisitionsPreferredStock" xml:lang="en-US" id="label_insm_StockIssuedDuringPeriodValueAcquisitionsPreferredStock_2">Value of preferred stock issued pursuant to acquisitions during the period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_StockIssuedDuringPeriodValueAcquisitionsPreferredStock" xlink:to="label_insm_StockIssuedDuringPeriodValueAcquisitionsPreferredStock_2" xlink:title="label: StockIssuedDuringPeriodValueAcquisitionsPreferredStock to label_insm_StockIssuedDuringPeriodValueAcquisitionsPreferredStock" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_ClassOfWarrantOrRightExpirationTerm" xlink:label="insm_ClassOfWarrantOrRightExpirationTerm" xlink:title="ClassOfWarrantOrRightExpirationTerm" />
    <link:label xlink:type="resource" xlink:label="label_insm_ClassOfWarrantOrRightExpirationTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_ClassOfWarrantOrRightExpirationTerm" xml:lang="en-US" id="label_insm_ClassOfWarrantOrRightExpirationTerm">Class of Warrant or Right Expiration Term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ClassOfWarrantOrRightExpirationTerm" xlink:to="label_insm_ClassOfWarrantOrRightExpirationTerm" xlink:title="label: ClassOfWarrantOrRightExpirationTerm to label_insm_ClassOfWarrantOrRightExpirationTerm" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ClassOfWarrantOrRightExpirationTerm_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_ClassOfWarrantOrRightExpirationTerm" xml:lang="en-US" id="label_insm_ClassOfWarrantOrRightExpirationTerm_1">Expiration term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ClassOfWarrantOrRightExpirationTerm" xlink:to="label_insm_ClassOfWarrantOrRightExpirationTerm_1" xlink:title="label: ClassOfWarrantOrRightExpirationTerm to label_insm_ClassOfWarrantOrRightExpirationTerm" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ClassOfWarrantOrRightExpirationTerm_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_ClassOfWarrantOrRightExpirationTerm" xml:lang="en-US" id="label_insm_ClassOfWarrantOrRightExpirationTerm_2">The period of time, from the grant date until the time at which the warrant expires.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ClassOfWarrantOrRightExpirationTerm" xlink:to="label_insm_ClassOfWarrantOrRightExpirationTerm_2" xlink:title="label: ClassOfWarrantOrRightExpirationTerm to label_insm_ClassOfWarrantOrRightExpirationTerm" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted" xlink:label="insm_NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted" xlink:title="NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted" xml:lang="en-US" id="label_insm_NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted">Number of initial indications in orphan patient populations for which clinical trials of ARIKAYCE is conducted</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted" xlink:to="label_insm_NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted" xlink:title="label: NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted to label_insm_NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted" xml:lang="en-US" id="label_insm_NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted_1">Represents the number of initial indications in orphan patient populations for which clinical trials are conducted by the entity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted" xlink:to="label_insm_NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted_1" xlink:title="label: NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted to label_insm_NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted" xml:lang="en-US" id="label_insm_NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted_2">Number of Initial Indications in Orphan Patient Populations for which Clinical Trials Conducted</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted" xlink:to="label_insm_NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted_2" xlink:title="label: NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted to label_insm_NumberOfInitialIndicationsInOrphanPatientPopulationsForWhichClinicalTrialsConducted" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding" xlink:title="EntityCommonStockSharesOutstanding" />
    <link:label xlink:type="resource" xlink:label="label_dei_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityCommonStockSharesOutstanding" xml:lang="en-US" id="label_dei_EntityCommonStockSharesOutstanding">Entity Common Stock, Shares Outstanding</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCommonStockSharesOutstanding" xlink:to="label_dei_EntityCommonStockSharesOutstanding" xlink:title="label: EntityCommonStockSharesOutstanding to label_dei_EntityCommonStockSharesOutstanding" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_ClinicalTrialExtendedStudyPeriod" xlink:label="insm_ClinicalTrialExtendedStudyPeriod" xlink:title="ClinicalTrialExtendedStudyPeriod" />
    <link:label xlink:type="resource" xlink:label="label_insm_ClinicalTrialExtendedStudyPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_ClinicalTrialExtendedStudyPeriod" xml:lang="en-US" id="label_insm_ClinicalTrialExtendedStudyPeriod">Period of extension study for Phase 3 clinical trial in cystic fibrosis ("CF") patients</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ClinicalTrialExtendedStudyPeriod" xlink:to="label_insm_ClinicalTrialExtendedStudyPeriod" xlink:title="label: ClinicalTrialExtendedStudyPeriod to label_insm_ClinicalTrialExtendedStudyPeriod" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ClinicalTrialExtendedStudyPeriod_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_ClinicalTrialExtendedStudyPeriod" xml:lang="en-US" id="label_insm_ClinicalTrialExtendedStudyPeriod_1">Represents the period of extension study in clinical trial conducted by the entity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ClinicalTrialExtendedStudyPeriod" xlink:to="label_insm_ClinicalTrialExtendedStudyPeriod_1" xlink:title="label: ClinicalTrialExtendedStudyPeriod to label_insm_ClinicalTrialExtendedStudyPeriod" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ClinicalTrialExtendedStudyPeriod_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_ClinicalTrialExtendedStudyPeriod" xml:lang="en-US" id="label_insm_ClinicalTrialExtendedStudyPeriod_2">Clinical Trial Extended Study Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ClinicalTrialExtendedStudyPeriod" xlink:to="label_insm_ClinicalTrialExtendedStudyPeriod_2" xlink:title="label: ClinicalTrialExtendedStudyPeriod to label_insm_ClinicalTrialExtendedStudyPeriod" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_OpenLabelSafetyStudyPeriod" xlink:label="insm_OpenLabelSafetyStudyPeriod" xlink:title="OpenLabelSafetyStudyPeriod" />
    <link:label xlink:type="resource" xlink:label="label_insm_OpenLabelSafetyStudyPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_OpenLabelSafetyStudyPeriod" xml:lang="en-US" id="label_insm_OpenLabelSafetyStudyPeriod">Open Label Safety Study Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_OpenLabelSafetyStudyPeriod" xlink:to="label_insm_OpenLabelSafetyStudyPeriod" xlink:title="label: OpenLabelSafetyStudyPeriod to label_insm_OpenLabelSafetyStudyPeriod" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_OpenLabelSafetyStudyPeriod_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_OpenLabelSafetyStudyPeriod" xml:lang="en-US" id="label_insm_OpenLabelSafetyStudyPeriod_1">Open-label safety study period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_OpenLabelSafetyStudyPeriod" xlink:to="label_insm_OpenLabelSafetyStudyPeriod_1" xlink:title="label: OpenLabelSafetyStudyPeriod to label_insm_OpenLabelSafetyStudyPeriod" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_OpenLabelSafetyStudyPeriod_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_OpenLabelSafetyStudyPeriod" xml:lang="en-US" id="label_insm_OpenLabelSafetyStudyPeriod_2">Represents the period of open-label safety study that is enrolling eligible patients who have completed the entity's Phase 3 registrational clinical trial in CF patients.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_OpenLabelSafetyStudyPeriod" xlink:to="label_insm_OpenLabelSafetyStudyPeriod_2" xlink:title="label: OpenLabelSafetyStudyPeriod to label_insm_OpenLabelSafetyStudyPeriod" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_NumberOfEntitiesIntegrated" xlink:label="insm_NumberOfEntitiesIntegrated" xlink:title="NumberOfEntitiesIntegrated" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfEntitiesIntegrated" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_NumberOfEntitiesIntegrated" xml:lang="en-US" id="label_insm_NumberOfEntitiesIntegrated">Represents the number of entities integrated.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfEntitiesIntegrated" xlink:to="label_insm_NumberOfEntitiesIntegrated" xlink:title="label: NumberOfEntitiesIntegrated to label_insm_NumberOfEntitiesIntegrated" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfEntitiesIntegrated_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_NumberOfEntitiesIntegrated" xml:lang="en-US" id="label_insm_NumberOfEntitiesIntegrated_1">Number of entities integrated</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfEntitiesIntegrated" xlink:to="label_insm_NumberOfEntitiesIntegrated_1" xlink:title="label: NumberOfEntitiesIntegrated to label_insm_NumberOfEntitiesIntegrated" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfEntitiesIntegrated_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_NumberOfEntitiesIntegrated" xml:lang="en-US" id="label_insm_NumberOfEntitiesIntegrated_2">Number of Entities Integrated</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfEntitiesIntegrated" xlink:to="label_insm_NumberOfEntitiesIntegrated_2" xlink:title="label: NumberOfEntitiesIntegrated to label_insm_NumberOfEntitiesIntegrated" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_EquipmentFurnitureAndFixturesMember" xlink:label="insm_EquipmentFurnitureAndFixturesMember" xlink:title="EquipmentFurnitureAndFixturesMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_EquipmentFurnitureAndFixturesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_EquipmentFurnitureAndFixturesMember" xml:lang="en-US" id="label_insm_EquipmentFurnitureAndFixturesMember">Represents information pertaining to equipment, furniture and fixtures.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EquipmentFurnitureAndFixturesMember" xlink:to="label_insm_EquipmentFurnitureAndFixturesMember" xlink:title="label: EquipmentFurnitureAndFixturesMember to label_insm_EquipmentFurnitureAndFixturesMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_EquipmentFurnitureAndFixturesMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_EquipmentFurnitureAndFixturesMember" xml:lang="en-US" id="label_insm_EquipmentFurnitureAndFixturesMember_1">Equipment, Furniture and Fixtures [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EquipmentFurnitureAndFixturesMember" xlink:to="label_insm_EquipmentFurnitureAndFixturesMember_1" xlink:title="label: EquipmentFurnitureAndFixturesMember to label_insm_EquipmentFurnitureAndFixturesMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_EquipmentFurnitureAndFixturesMember_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_EquipmentFurnitureAndFixturesMember" xml:lang="en-US" id="label_insm_EquipmentFurnitureAndFixturesMember_2">Computer equipment, laboratory equipment, office equipment and furniture and fixtures</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EquipmentFurnitureAndFixturesMember" xlink:to="label_insm_EquipmentFurnitureAndFixturesMember_2" xlink:title="label: EquipmentFurnitureAndFixturesMember to label_insm_EquipmentFurnitureAndFixturesMember" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment" xlink:label="insm_NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment" xlink:title="NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment" xml:lang="en-US" id="label_insm_NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment">Number of Shares Held by Entity Stockholders after Conversion Adjustment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment" xlink:to="label_insm_NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment" xlink:title="label: NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment to label_insm_NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment" xml:lang="en-US" id="label_insm_NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment_1">Number of shares held by entity stockholders after conversion adjustment (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment" xlink:to="label_insm_NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment_1" xlink:title="label: NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment to label_insm_NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment" xml:lang="en-US" id="label_insm_NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment_2">Represents the number of shares held by entity's stockholders after the conversion adjustment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment" xlink:to="label_insm_NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment_2" xlink:title="label: NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment to label_insm_NumberOfSharesHeldByEntityStockholdersAfterConversionAdjustment" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_MutualFundsMember" xlink:label="insm_MutualFundsMember" xlink:title="MutualFundsMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_MutualFundsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_MutualFundsMember" xml:lang="en-US" id="label_insm_MutualFundsMember">Mutual Funds [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_MutualFundsMember" xlink:to="label_insm_MutualFundsMember" xlink:title="label: MutualFundsMember to label_insm_MutualFundsMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_MutualFundsMember_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_MutualFundsMember" xml:lang="en-US" id="label_insm_MutualFundsMember_1">A mutual fund is a type of professionally managed collective investment vehicle that pools money from many investors to purchase securities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_MutualFundsMember" xlink:to="label_insm_MutualFundsMember_1" xlink:title="label: MutualFundsMember to label_insm_MutualFundsMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_MutualFundsMember_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_MutualFundsMember" xml:lang="en-US" id="label_insm_MutualFundsMember_2">Mutual Funds</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_MutualFundsMember" xlink:to="label_insm_MutualFundsMember_2" xlink:title="label: MutualFundsMember to label_insm_MutualFundsMember" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_CarryingValuePerShare" xlink:label="insm_CarryingValuePerShare" xlink:title="CarryingValuePerShare" />
    <link:label xlink:type="resource" xlink:label="label_insm_CarryingValuePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_CarryingValuePerShare" xml:lang="en-US" id="label_insm_CarryingValuePerShare">Carrying Value Per Share</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CarryingValuePerShare" xlink:to="label_insm_CarryingValuePerShare" xlink:title="label: CarryingValuePerShare to label_insm_CarryingValuePerShare" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_CarryingValuePerShare_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_CarryingValuePerShare" xml:lang="en-US" id="label_insm_CarryingValuePerShare_1">Carrying value per share.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CarryingValuePerShare" xlink:to="label_insm_CarryingValuePerShare_1" xlink:title="label: CarryingValuePerShare to label_insm_CarryingValuePerShare" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_CarryingValuePerShare_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_CarryingValuePerShare" xml:lang="en-US" id="label_insm_CarryingValuePerShare_2">Carrying value per share (in dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CarryingValuePerShare" xlink:to="label_insm_CarryingValuePerShare_2" xlink:title="label: CarryingValuePerShare to label_insm_CarryingValuePerShare" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_NonCashChargeForBeneficialConversion" xlink:label="insm_NonCashChargeForBeneficialConversion" xlink:title="NonCashChargeForBeneficialConversion" />
    <link:label xlink:type="resource" xlink:label="label_insm_NonCashChargeForBeneficialConversion" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_NonCashChargeForBeneficialConversion" xml:lang="en-US" id="label_insm_NonCashChargeForBeneficialConversion">Non cash charge for beneficial conversion (in dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NonCashChargeForBeneficialConversion" xlink:to="label_insm_NonCashChargeForBeneficialConversion" xlink:title="label: NonCashChargeForBeneficialConversion to label_insm_NonCashChargeForBeneficialConversion" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NonCashChargeForBeneficialConversion_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_NonCashChargeForBeneficialConversion" xml:lang="en-US" id="label_insm_NonCashChargeForBeneficialConversion_1">Non Cash Charge for Beneficial Conversion</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NonCashChargeForBeneficialConversion" xlink:to="label_insm_NonCashChargeForBeneficialConversion_1" xlink:title="label: NonCashChargeForBeneficialConversion to label_insm_NonCashChargeForBeneficialConversion" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NonCashChargeForBeneficialConversion_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_NonCashChargeForBeneficialConversion" xml:lang="en-US" id="label_insm_NonCashChargeForBeneficialConversion_2">Non-cash charge for beneficial conversion.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NonCashChargeForBeneficialConversion" xlink:to="label_insm_NonCashChargeForBeneficialConversion_2" xlink:title="label: NonCashChargeForBeneficialConversion to label_insm_NonCashChargeForBeneficialConversion" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_ConversionPricePerShare" xlink:label="insm_ConversionPricePerShare" xlink:title="ConversionPricePerShare" />
    <link:label xlink:type="resource" xlink:label="label_insm_ConversionPricePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_ConversionPricePerShare" xml:lang="en-US" id="label_insm_ConversionPricePerShare">Conversion Price Per Share</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ConversionPricePerShare" xlink:to="label_insm_ConversionPricePerShare" xlink:title="label: ConversionPricePerShare to label_insm_ConversionPricePerShare" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ConversionPricePerShare_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_ConversionPricePerShare" xml:lang="en-US" id="label_insm_ConversionPricePerShare_1">Conversion price per share.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ConversionPricePerShare" xlink:to="label_insm_ConversionPricePerShare_1" xlink:title="label: ConversionPricePerShare to label_insm_ConversionPricePerShare" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ConversionPricePerShare_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_ConversionPricePerShare" xml:lang="en-US" id="label_insm_ConversionPricePerShare_2">Conversion price per share (in dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ConversionPricePerShare" xlink:to="label_insm_ConversionPricePerShare_2" xlink:title="label: ConversionPricePerShare to label_insm_ConversionPricePerShare" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_LicensePriceDue" xlink:label="insm_LicensePriceDue" xlink:title="LicensePriceDue" />
    <link:label xlink:type="resource" xlink:label="label_insm_LicensePriceDue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_LicensePriceDue" xml:lang="en-US" id="label_insm_LicensePriceDue">License price due</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_LicensePriceDue" xlink:to="label_insm_LicensePriceDue" xlink:title="label: LicensePriceDue to label_insm_LicensePriceDue" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_LicensePriceDue_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_LicensePriceDue" xml:lang="en-US" id="label_insm_LicensePriceDue_1">Represents the license price due upon exercise of buyout option.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_LicensePriceDue" xlink:to="label_insm_LicensePriceDue_1" xlink:title="label: LicensePriceDue to label_insm_LicensePriceDue" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_LicensePriceDue_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_LicensePriceDue" xml:lang="en-US" id="label_insm_LicensePriceDue_2">License Price Due</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_LicensePriceDue" xlink:to="label_insm_LicensePriceDue_2" xlink:title="label: LicensePriceDue to label_insm_LicensePriceDue" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_ClassOfWarrantOrRightIssued" xlink:label="insm_ClassOfWarrantOrRightIssued" xlink:title="ClassOfWarrantOrRightIssued" />
    <link:label xlink:type="resource" xlink:label="label_insm_ClassOfWarrantOrRightIssued" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_ClassOfWarrantOrRightIssued" xml:lang="en-US" id="label_insm_ClassOfWarrantOrRightIssued">Represents the number of each class of warrants or rights issued at a specific price, on or before a certain date.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ClassOfWarrantOrRightIssued" xlink:to="label_insm_ClassOfWarrantOrRightIssued" xlink:title="label: ClassOfWarrantOrRightIssued to label_insm_ClassOfWarrantOrRightIssued" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ClassOfWarrantOrRightIssued_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_ClassOfWarrantOrRightIssued" xml:lang="en-US" id="label_insm_ClassOfWarrantOrRightIssued_1">Class of Warrant or Right Issued</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ClassOfWarrantOrRightIssued" xlink:to="label_insm_ClassOfWarrantOrRightIssued_1" xlink:title="label: ClassOfWarrantOrRightIssued to label_insm_ClassOfWarrantOrRightIssued" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ClassOfWarrantOrRightIssued_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_ClassOfWarrantOrRightIssued" xml:lang="en-US" id="label_insm_ClassOfWarrantOrRightIssued_2">Warrant Shares issued and delivered</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ClassOfWarrantOrRightIssued" xlink:to="label_insm_ClassOfWarrantOrRightIssued_2" xlink:title="label: ClassOfWarrantOrRightIssued to label_insm_ClassOfWarrantOrRightIssued" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption" xlink:label="insm_CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption" xlink:title="CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption" />
    <link:label xlink:type="resource" xlink:label="label_insm_CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption" xml:lang="en-US" id="label_insm_CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption">Common Stock Shares Exercise to Underwriters in Full of over Allotment Option</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption" xlink:to="label_insm_CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption" xlink:title="label: CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption to label_insm_CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption" xml:lang="en-US" id="label_insm_CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption_1">Number of share's exercise in full of over-allotment option by underwriter</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption" xlink:to="label_insm_CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption_1" xlink:title="label: CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption to label_insm_CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption" xml:lang="en-US" id="label_insm_CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption_2">Represents the number of share's exercise in full of over-allotment option by underwriter.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption" xlink:to="label_insm_CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption_2" xlink:title="label: CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption to label_insm_CommonStockSharesExerciseToUnderwritersInFullOfOverAllotmentOption" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_SharePriceForUnderwriter" xlink:label="insm_SharePriceForUnderwriter" xlink:title="SharePriceForUnderwriter" />
    <link:label xlink:type="resource" xlink:label="label_insm_SharePriceForUnderwriter" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_SharePriceForUnderwriter" xml:lang="en-US" id="label_insm_SharePriceForUnderwriter">Share Price for Underwriter</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_SharePriceForUnderwriter" xlink:to="label_insm_SharePriceForUnderwriter" xlink:title="label: SharePriceForUnderwriter to label_insm_SharePriceForUnderwriter" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_SharePriceForUnderwriter_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_SharePriceForUnderwriter" xml:lang="en-US" id="label_insm_SharePriceForUnderwriter_1">Purchase price of shares for underwriter (in dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_SharePriceForUnderwriter" xlink:to="label_insm_SharePriceForUnderwriter_1" xlink:title="label: SharePriceForUnderwriter to label_insm_SharePriceForUnderwriter" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_SharePriceForUnderwriter_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_SharePriceForUnderwriter" xml:lang="en-US" id="label_insm_SharePriceForUnderwriter_2">Represents the purchase price for the underwriter for a single share of a number of saleable stocks of a company.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_SharePriceForUnderwriter" xlink:to="label_insm_SharePriceForUnderwriter_2" xlink:title="label: SharePriceForUnderwriter to label_insm_SharePriceForUnderwriter" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers" xlink:label="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers">The remaining number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan that are transferred from one plan to another during the reporting period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers_1">Share Based Compensation Arrangement by Share Based Payment Award, Number of Shares Inter Plan Transfers</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers_1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers_2">Number of shares transferred from previous plan</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers_2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesInterPlanTransfers" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary" xlink:label="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary">Share Based Compensation Arrangement by Share Based Payment Award, Number of Shares Vesting on First Anniversary</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary_1">Number of the shares vesting on first anniversary</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary_1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary_2">Represents the number of shares vesting on the first anniversary.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary_2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingOnFirstAnniversary" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary" xlink:label="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary">Represents the number of shares vesting from the first anniversary through the fourth anniversary.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary_1">Share Based Compensation Arrangement by Share Based Payment Award, Number of Shares Vesting from First Anniversary Through Fourth Anniversary</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary_1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary_2">Number of the shares vesting from first anniversary through fourth anniversary</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary_2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestingFromFirstAnniversaryThroughFourthAnniversary" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" xlink:label="insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary">Share Based Compensation Arrangement by Share Based Payment, Number of Equal Installments Following First Anniversary Date Through Fourth Anniversary</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary_1">Number of equal installments following the first anniversary date through the fourth anniversary</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary_1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary_2">Represents the number of equal installments vested following the first anniversary date through the fourth anniversary of the date of grant, subject to continued employment with the entity during the reporting period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary_2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus" xlink:title="DocumentFiscalYearFocus" />
    <link:label xlink:type="resource" xlink:label="label_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_DocumentFiscalYearFocus" xml:lang="en-US" id="label_dei_DocumentFiscalYearFocus">Document Fiscal Year Focus</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalYearFocus" xlink:to="label_dei_DocumentFiscalYearFocus" xlink:title="label: DocumentFiscalYearFocus to label_dei_DocumentFiscalYearFocus" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings" xlink:label="insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings">Number of stock options vest on the date of the company's issuance of quarterly earnings (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings_1">Represents the number of stock options vesting on the date of the entity's issuance of quarterly earnings release pertaining to the fiscal quarter during the reporting period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings_1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings_2">Share Based Compensation Arrangement by Share Based Payment, Number of Stock Options Vesting on Date of Issuance of Quarterly Earnings</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings_2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfStockOptionsVestingOnDateOfIssuanceOfQuarterlyEarnings" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus" xlink:title="DocumentFiscalPeriodFocus" />
    <link:label xlink:type="resource" xlink:label="label_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_DocumentFiscalPeriodFocus" xml:lang="en-US" id="label_dei_DocumentFiscalPeriodFocus">Document Fiscal Period Focus</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalPeriodFocus" xlink:to="label_dei_DocumentFiscalPeriodFocus" xlink:title="label: DocumentFiscalPeriodFocus to label_dei_DocumentFiscalPeriodFocus" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" xlink:label="insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary">Represents the number of shares vested in equal installments vested following the First Anniversary Date through the fourth anniversary of the date of grant, subject to continued employment with the entity during the reporting period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary_1">Share Based Compensation Arrangement by Share Based Payment, Number of Shares Vested in Equal Installments Following First Anniversary Date Through Fourth Anniversary</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary_1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary_2">Number of shares vested in equal installments following the First Anniversary Date through the fourth anniversary</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary_2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfSharesVestedInEqualInstallmentsFollowingFirstAnniversaryDateThroughFourthAnniversary" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans" xlink:label="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans">Represents the number of outstanding stock options deemed to be granted outside the entity's incentive plans as of the balance sheet date.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans_1">Share Based Compensation Arrangement by Share Based Payment Award, Outstanding Options Deemed to be Granted Outside Incentive Plans</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans_1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans_2">Number of outstanding stock options deemed to be granted outside the Company's incentive plans (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans_2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingOptionsDeemedToBeGrantedOutsideIncentivePlans" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts" xlink:label="insm_ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts">Amount of cumulative revenues from all approved products</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts_1">Represents the amount of cumulative revenues from all approved products subject to continued employment with the entity through such date.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts_1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts_2">Share Based Compensation Arrangement by Share Based Payment, Amount of Required Cumulative Revenues from All Approved Products</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts_2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentAmountOfRequiredCumulativeRevenuesFromAllApprovedProducts" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment" xlink:label="insm_ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment">Period of equal installments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment_1">Represents the period of equal installments vested following the First Anniversary Date through the fourth anniversary of the date of grant, subject to continued employment with the entity during the reporting period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment_1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment" xml:lang="en-US" id="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment_2">Share Based Compensation Arrangement by Share Based Payment, Period of Equal Installment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment" xlink:to="label_insm_ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment_2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment to label_insm_ShareBasedCompensationArrangementByShareBasedPaymentPeriodOfEqualInstallment" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards" xlink:label="insm_AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards" xlink:title="AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards" />
    <link:label xlink:type="resource" xlink:label="label_insm_AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards" xml:lang="en-US" id="label_insm_AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards">Stock-based compensation expense that resulted from the remeasurement of awards</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards" xlink:to="label_insm_AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards" xlink:title="label: AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards to label_insm_AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards" xml:lang="en-US" id="label_insm_AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards_1">Represents the amount of stock-based compensation expense that resulted from the remeasurement of awards.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards" xlink:to="label_insm_AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards_1" xlink:title="label: AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards to label_insm_AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards" xml:lang="en-US" id="label_insm_AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards_2">Allocated Share Based Compensation Expense, Due to Remeasurement of Awards</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards" xlink:to="label_insm_AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards_2" xlink:title="label: AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards to label_insm_AllocatedShareBasedCompensationExpenseDueToRemeasurementOfAwards" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_NumberOfPatientsEnrolledInClinicalTrialsConducted" xlink:label="insm_NumberOfPatientsEnrolledInClinicalTrialsConducted" xlink:title="NumberOfPatientsEnrolledInClinicalTrialsConducted" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfPatientsEnrolledInClinicalTrialsConducted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_NumberOfPatientsEnrolledInClinicalTrialsConducted" xml:lang="en-US" id="label_insm_NumberOfPatientsEnrolledInClinicalTrialsConducted">Represents the number of patients enrolled in clinical trials conducted by the entity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfPatientsEnrolledInClinicalTrialsConducted" xlink:to="label_insm_NumberOfPatientsEnrolledInClinicalTrialsConducted" xlink:title="label: NumberOfPatientsEnrolledInClinicalTrialsConducted to label_insm_NumberOfPatientsEnrolledInClinicalTrialsConducted" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfPatientsEnrolledInClinicalTrialsConducted_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_NumberOfPatientsEnrolledInClinicalTrialsConducted" xml:lang="en-US" id="label_insm_NumberOfPatientsEnrolledInClinicalTrialsConducted_1">Number of Patients Enrolled in Clinical Trials Conducted</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfPatientsEnrolledInClinicalTrialsConducted" xlink:to="label_insm_NumberOfPatientsEnrolledInClinicalTrialsConducted_1" xlink:title="label: NumberOfPatientsEnrolledInClinicalTrialsConducted to label_insm_NumberOfPatientsEnrolledInClinicalTrialsConducted" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_NumberOfPatientsEnrolledInClinicalTrialsConducted_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_NumberOfPatientsEnrolledInClinicalTrialsConducted" xml:lang="en-US" id="label_insm_NumberOfPatientsEnrolledInClinicalTrialsConducted_2">Number of patients enrolled in clinical trials of ARIKAYCE</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_NumberOfPatientsEnrolledInClinicalTrialsConducted" xlink:to="label_insm_NumberOfPatientsEnrolledInClinicalTrialsConducted_2" xlink:title="label: NumberOfPatientsEnrolledInClinicalTrialsConducted to label_insm_NumberOfPatientsEnrolledInClinicalTrialsConducted" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent" xlink:label="insm_AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent" xlink:title="AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent" />
    <link:label xlink:type="resource" xlink:label="label_insm_AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent" xml:lang="en-US" id="label_insm_AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent">Accrued clinical trial and manufacturing expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent" xlink:to="label_insm_AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent" xlink:title="label: AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent to label_insm_AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent" xml:lang="en-US" id="label_insm_AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent_1">Carrying value, as of the balance sheet date, of obligations incurred through that date and payable for clinical trial expenses and manufacturing expenses.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent" xlink:to="label_insm_AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent_1" xlink:title="label: AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent to label_insm_AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent" xml:lang="en-US" id="label_insm_AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent_2">Accrued Clinical Trial Expenses and Manufacturing Expenses Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent" xlink:to="label_insm_AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent_2" xlink:title="label: AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent to label_insm_AccruedClinicalTrialExpensesAndManufacturingExpensesCurrent" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt" xlink:label="insm_StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt" xlink:title="StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt" />
    <link:label xlink:type="resource" xlink:label="label_insm_StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt" xml:lang="en-US" id="label_insm_StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt">Value of stock issued during the period as a result of warrants granted in connection with debt financing.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt" xlink:to="label_insm_StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt" xlink:title="label: StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt to label_insm_StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt" xml:lang="en-US" id="label_insm_StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt_1">Stock Issued During Period Value Warrants Granted in Connection with Debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt" xlink:to="label_insm_StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt_1" xlink:title="label: StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt to label_insm_StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt" xml:lang="en-US" id="label_insm_StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt_2">Fair value of warrants granted in connection with debt financing</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt" xlink:to="label_insm_StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt_2" xlink:title="label: StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt to label_insm_StockIssuedDuringPeriodValueWarrantsGrantedInConnectionWithDebt" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt" xlink:label="insm_IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt" xlink:title="IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt" />
    <link:label xlink:type="resource" xlink:label="label_insm_IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt" xml:lang="en-US" id="label_insm_IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt">Issuance of Common Stock for Warrant Granted in Connection with Debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt" xlink:to="label_insm_IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt" xlink:title="label: IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt to label_insm_IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt" xml:lang="en-US" id="label_insm_IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt_1">Fair value of warrants granted in connection with debt financing (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt" xlink:to="label_insm_IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt_1" xlink:title="label: IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt to label_insm_IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt" xml:lang="en-US" id="label_insm_IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt_2">Shares of stock issued during the period as a result of warrants granted in connection with debt financing.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt" xlink:to="label_insm_IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt_2" xlink:title="label: IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt to label_insm_IssuanceOfCommonStockForWarrantGrantedInConnectionWithDebt" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_AccruedContractManufacturerExpensesCurrent" xlink:label="insm_AccruedContractManufacturerExpensesCurrent" xlink:title="AccruedContractManufacturerExpensesCurrent" />
    <link:label xlink:type="resource" xlink:label="label_insm_AccruedContractManufacturerExpensesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_AccruedContractManufacturerExpensesCurrent" xml:lang="en-US" id="label_insm_AccruedContractManufacturerExpensesCurrent">Accrued Contract Manufacturer Expenses Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AccruedContractManufacturerExpensesCurrent" xlink:to="label_insm_AccruedContractManufacturerExpensesCurrent" xlink:title="label: AccruedContractManufacturerExpensesCurrent to label_insm_AccruedContractManufacturerExpensesCurrent" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_AccruedContractManufacturerExpensesCurrent_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_AccruedContractManufacturerExpensesCurrent" xml:lang="en-US" id="label_insm_AccruedContractManufacturerExpensesCurrent_1">Contract Manufacturer expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AccruedContractManufacturerExpensesCurrent" xlink:to="label_insm_AccruedContractManufacturerExpensesCurrent_1" xlink:title="label: AccruedContractManufacturerExpensesCurrent to label_insm_AccruedContractManufacturerExpensesCurrent" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_AccruedContractManufacturerExpensesCurrent_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_AccruedContractManufacturerExpensesCurrent" xml:lang="en-US" id="label_insm_AccruedContractManufacturerExpensesCurrent_2">Liability accrued for contract manufacturer expenses as of the report date.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AccruedContractManufacturerExpensesCurrent" xlink:to="label_insm_AccruedContractManufacturerExpensesCurrent_2" xlink:title="label: AccruedContractManufacturerExpensesCurrent to label_insm_AccruedContractManufacturerExpensesCurrent" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_IpsenAndGenentechLicenseAgreementMember" xlink:label="insm_IpsenAndGenentechLicenseAgreementMember" xlink:title="IpsenAndGenentechLicenseAgreementMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_IpsenAndGenentechLicenseAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_IpsenAndGenentechLicenseAgreementMember" xml:lang="en-US" id="label_insm_IpsenAndGenentechLicenseAgreementMember">Ipsen and Genentech License Agreement [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IpsenAndGenentechLicenseAgreementMember" xlink:to="label_insm_IpsenAndGenentechLicenseAgreementMember" xlink:title="label: IpsenAndGenentechLicenseAgreementMember to label_insm_IpsenAndGenentechLicenseAgreementMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_IpsenAndGenentechLicenseAgreementMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_IpsenAndGenentechLicenseAgreementMember" xml:lang="en-US" id="label_insm_IpsenAndGenentechLicenseAgreementMember_1">Ipsen and Genentech License Agreement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IpsenAndGenentechLicenseAgreementMember" xlink:to="label_insm_IpsenAndGenentechLicenseAgreementMember_1" xlink:title="label: IpsenAndGenentechLicenseAgreementMember to label_insm_IpsenAndGenentechLicenseAgreementMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_IpsenAndGenentechLicenseAgreementMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_IpsenAndGenentechLicenseAgreementMember" xml:lang="en-US" id="label_insm_IpsenAndGenentechLicenseAgreementMember_2">Represents the agreement with Ipsen and Genentech to develop IPLEX in certain medical indications in the US and foreign territories.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_IpsenAndGenentechLicenseAgreementMember" xlink:to="label_insm_IpsenAndGenentechLicenseAgreementMember_2" xlink:title="label: IpsenAndGenentechLicenseAgreementMember to label_insm_IpsenAndGenentechLicenseAgreementMember" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_EleisonPharmaceuticalsLicenseAgreementMember" xlink:label="insm_EleisonPharmaceuticalsLicenseAgreementMember" xlink:title="EleisonPharmaceuticalsLicenseAgreementMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_EleisonPharmaceuticalsLicenseAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_EleisonPharmaceuticalsLicenseAgreementMember" xml:lang="en-US" id="label_insm_EleisonPharmaceuticalsLicenseAgreementMember">Eleison Pharmaceuticals License Agreement [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EleisonPharmaceuticalsLicenseAgreementMember" xlink:to="label_insm_EleisonPharmaceuticalsLicenseAgreementMember" xlink:title="label: EleisonPharmaceuticalsLicenseAgreementMember to label_insm_EleisonPharmaceuticalsLicenseAgreementMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_EleisonPharmaceuticalsLicenseAgreementMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_EleisonPharmaceuticalsLicenseAgreementMember" xml:lang="en-US" id="label_insm_EleisonPharmaceuticalsLicenseAgreementMember_1">Eleison License Agreement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EleisonPharmaceuticalsLicenseAgreementMember" xlink:to="label_insm_EleisonPharmaceuticalsLicenseAgreementMember_1" xlink:title="label: EleisonPharmaceuticalsLicenseAgreementMember to label_insm_EleisonPharmaceuticalsLicenseAgreementMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_EleisonPharmaceuticalsLicenseAgreementMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_EleisonPharmaceuticalsLicenseAgreementMember" xml:lang="en-US" id="label_insm_EleisonPharmaceuticalsLicenseAgreementMember_2">Represents the agreement with Eleison Pharmaceuticals, whereby it granted counter party an exclusive license for CISPLATIN Lipid Complex.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EleisonPharmaceuticalsLicenseAgreementMember" xlink:to="label_insm_EleisonPharmaceuticalsLicenseAgreementMember_2" xlink:title="label: EleisonPharmaceuticalsLicenseAgreementMember to label_insm_EleisonPharmaceuticalsLicenseAgreementMember" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentType" xlink:label="dei_DocumentType" xlink:title="DocumentType" />
    <link:label xlink:type="resource" xlink:label="label_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_DocumentType" xml:lang="en-US" id="label_dei_DocumentType">Document Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentType" xlink:to="label_dei_DocumentType" xlink:title="label: DocumentType to label_dei_DocumentType" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_DebtInstrumentFeePaidToExtendInterestOnlyPeriod" xlink:label="insm_DebtInstrumentFeePaidToExtendInterestOnlyPeriod" xlink:title="DebtInstrumentFeePaidToExtendInterestOnlyPeriod" />
    <link:label xlink:type="resource" xlink:label="label_insm_DebtInstrumentFeePaidToExtendInterestOnlyPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_DebtInstrumentFeePaidToExtendInterestOnlyPeriod" xml:lang="en-US" id="label_insm_DebtInstrumentFeePaidToExtendInterestOnlyPeriod">Debt Instrument Fee Paid to Extend Interest only Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_DebtInstrumentFeePaidToExtendInterestOnlyPeriod" xlink:to="label_insm_DebtInstrumentFeePaidToExtendInterestOnlyPeriod" xlink:title="label: DebtInstrumentFeePaidToExtendInterestOnlyPeriod to label_insm_DebtInstrumentFeePaidToExtendInterestOnlyPeriod" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_DebtInstrumentFeePaidToExtendInterestOnlyPeriod_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_DebtInstrumentFeePaidToExtendInterestOnlyPeriod" xml:lang="en-US" id="label_insm_DebtInstrumentFeePaidToExtendInterestOnlyPeriod_1">Fee paid to extend the interest-only period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_DebtInstrumentFeePaidToExtendInterestOnlyPeriod" xlink:to="label_insm_DebtInstrumentFeePaidToExtendInterestOnlyPeriod_1" xlink:title="label: DebtInstrumentFeePaidToExtendInterestOnlyPeriod to label_insm_DebtInstrumentFeePaidToExtendInterestOnlyPeriod" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_DebtInstrumentFeePaidToExtendInterestOnlyPeriod_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_DebtInstrumentFeePaidToExtendInterestOnlyPeriod" xml:lang="en-US" id="label_insm_DebtInstrumentFeePaidToExtendInterestOnlyPeriod_2">Represents the fee to be paid which would allow the entity to extend the interest-only payment period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_DebtInstrumentFeePaidToExtendInterestOnlyPeriod" xlink:to="label_insm_DebtInstrumentFeePaidToExtendInterestOnlyPeriod_2" xlink:title="label: DebtInstrumentFeePaidToExtendInterestOnlyPeriod to label_insm_DebtInstrumentFeePaidToExtendInterestOnlyPeriod" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="us-gaap_AccountingPoliciesAbstract" xlink:title="AccountingPoliciesAbstract" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AccountingPoliciesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AccountingPoliciesAbstract" xml:lang="en-US" id="label_us-gaap_AccountingPoliciesAbstract">Summary of Significant Accounting Policies</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="label_us-gaap_AccountingPoliciesAbstract" xlink:title="label: AccountingPoliciesAbstract to label_us-gaap_AccountingPoliciesAbstract" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_StockOptionsAndRestrictedStockUnitsMember" xlink:label="insm_StockOptionsAndRestrictedStockUnitsMember" xlink:title="StockOptionsAndRestrictedStockUnitsMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_StockOptionsAndRestrictedStockUnitsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_StockOptionsAndRestrictedStockUnitsMember" xml:lang="en-US" id="label_insm_StockOptionsAndRestrictedStockUnitsMember">Stock options and RSUs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_StockOptionsAndRestrictedStockUnitsMember" xlink:to="label_insm_StockOptionsAndRestrictedStockUnitsMember" xlink:title="label: StockOptionsAndRestrictedStockUnitsMember to label_insm_StockOptionsAndRestrictedStockUnitsMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_StockOptionsAndRestrictedStockUnitsMember_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_StockOptionsAndRestrictedStockUnitsMember" xml:lang="en-US" id="label_insm_StockOptionsAndRestrictedStockUnitsMember_1">Represents contract that gives the holder the right, but not the obligation, either to purchase or to sell a certain number of shares of stock at a predetermined price for a specified period of time. It also includes stock units that an entity has not yet issued because the agreed-upon consideration, such as employee services, has not yet been received.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_StockOptionsAndRestrictedStockUnitsMember" xlink:to="label_insm_StockOptionsAndRestrictedStockUnitsMember_1" xlink:title="label: StockOptionsAndRestrictedStockUnitsMember to label_insm_StockOptionsAndRestrictedStockUnitsMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_StockOptionsAndRestrictedStockUnitsMember_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_StockOptionsAndRestrictedStockUnitsMember" xml:lang="en-US" id="label_insm_StockOptionsAndRestrictedStockUnitsMember_2">Stock Options and Restricted Stock Units [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_StockOptionsAndRestrictedStockUnitsMember" xlink:to="label_insm_StockOptionsAndRestrictedStockUnitsMember_2" xlink:title="label: StockOptionsAndRestrictedStockUnitsMember to label_insm_StockOptionsAndRestrictedStockUnitsMember" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate" xlink:label="insm_EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate" xlink:title="EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate" />
    <link:label xlink:type="resource" xlink:label="label_insm_EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate" xml:lang="en-US" id="label_insm_EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate">The portion of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the state tax rates.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate" xlink:to="label_insm_EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate" xlink:title="label: EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate to label_insm_EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate" xml:lang="en-US" id="label_insm_EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate_1">Effective Income Tax Rate Reconciliation Change in State Tax Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate" xlink:to="label_insm_EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate_1" xlink:title="label: EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate to label_insm_EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate" xml:lang="en-US" id="label_insm_EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate_2">Change in state tax rate (as a percent)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate" xlink:to="label_insm_EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate_2" xlink:title="label: EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate to label_insm_EffectiveIncomeTaxRateReconciliationChangeInStateTaxRate" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_AccruedTechnicalOperationExpenses" xlink:label="insm_AccruedTechnicalOperationExpenses" xlink:title="AccruedTechnicalOperationExpenses" />
    <link:label xlink:type="resource" xlink:label="label_insm_AccruedTechnicalOperationExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_AccruedTechnicalOperationExpenses" xml:lang="en-US" id="label_insm_AccruedTechnicalOperationExpenses">Carrying value as of the balance sheet date of obligations incurred through that date and payable for technical operation expenses.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AccruedTechnicalOperationExpenses" xlink:to="label_insm_AccruedTechnicalOperationExpenses" xlink:title="label: AccruedTechnicalOperationExpenses to label_insm_AccruedTechnicalOperationExpenses" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_AccruedTechnicalOperationExpenses_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_AccruedTechnicalOperationExpenses" xml:lang="en-US" id="label_insm_AccruedTechnicalOperationExpenses_1">Accrued Technical Operation Expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AccruedTechnicalOperationExpenses" xlink:to="label_insm_AccruedTechnicalOperationExpenses_1" xlink:title="label: AccruedTechnicalOperationExpenses to label_insm_AccruedTechnicalOperationExpenses" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_AccruedTechnicalOperationExpenses_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_AccruedTechnicalOperationExpenses" xml:lang="en-US" id="label_insm_AccruedTechnicalOperationExpenses_2">Accrued technical operation expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AccruedTechnicalOperationExpenses" xlink:to="label_insm_AccruedTechnicalOperationExpenses_2" xlink:title="label: AccruedTechnicalOperationExpenses to label_insm_AccruedTechnicalOperationExpenses" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_CollaborativeArrangementInitialTerm" xlink:label="insm_CollaborativeArrangementInitialTerm" xlink:title="CollaborativeArrangementInitialTerm" />
    <link:label xlink:type="resource" xlink:label="label_insm_CollaborativeArrangementInitialTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_CollaborativeArrangementInitialTerm" xml:lang="en-US" id="label_insm_CollaborativeArrangementInitialTerm">Collaborative Arrangement Initial Term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CollaborativeArrangementInitialTerm" xlink:to="label_insm_CollaborativeArrangementInitialTerm" xlink:title="label: CollaborativeArrangementInitialTerm to label_insm_CollaborativeArrangementInitialTerm" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_CollaborativeArrangementInitialTerm_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_CollaborativeArrangementInitialTerm" xml:lang="en-US" id="label_insm_CollaborativeArrangementInitialTerm_1">Initial term of collaborative arrangement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CollaborativeArrangementInitialTerm" xlink:to="label_insm_CollaborativeArrangementInitialTerm_1" xlink:title="label: CollaborativeArrangementInitialTerm to label_insm_CollaborativeArrangementInitialTerm" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_CollaborativeArrangementInitialTerm_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_CollaborativeArrangementInitialTerm" xml:lang="en-US" id="label_insm_CollaborativeArrangementInitialTerm_2">Represents the term of the collaborative agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CollaborativeArrangementInitialTerm" xlink:to="label_insm_CollaborativeArrangementInitialTerm_2" xlink:title="label: CollaborativeArrangementInitialTerm to label_insm_CollaborativeArrangementInitialTerm" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_CollaborativeArrangementSuccessiveRenewalPeriod" xlink:label="insm_CollaborativeArrangementSuccessiveRenewalPeriod" xlink:title="CollaborativeArrangementSuccessiveRenewalPeriod" />
    <link:label xlink:type="resource" xlink:label="label_insm_CollaborativeArrangementSuccessiveRenewalPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_CollaborativeArrangementSuccessiveRenewalPeriod" xml:lang="en-US" id="label_insm_CollaborativeArrangementSuccessiveRenewalPeriod">Represents the successive renewal period of the collaborative agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CollaborativeArrangementSuccessiveRenewalPeriod" xlink:to="label_insm_CollaborativeArrangementSuccessiveRenewalPeriod" xlink:title="label: CollaborativeArrangementSuccessiveRenewalPeriod to label_insm_CollaborativeArrangementSuccessiveRenewalPeriod" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_CollaborativeArrangementSuccessiveRenewalPeriod_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_CollaborativeArrangementSuccessiveRenewalPeriod" xml:lang="en-US" id="label_insm_CollaborativeArrangementSuccessiveRenewalPeriod_1">Collaborative Arrangement Successive Renewal Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CollaborativeArrangementSuccessiveRenewalPeriod" xlink:to="label_insm_CollaborativeArrangementSuccessiveRenewalPeriod_1" xlink:title="label: CollaborativeArrangementSuccessiveRenewalPeriod to label_insm_CollaborativeArrangementSuccessiveRenewalPeriod" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_CollaborativeArrangementSuccessiveRenewalPeriod_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_CollaborativeArrangementSuccessiveRenewalPeriod" xml:lang="en-US" id="label_insm_CollaborativeArrangementSuccessiveRenewalPeriod_2">Successive renewal period of collaborative arrangement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CollaborativeArrangementSuccessiveRenewalPeriod" xlink:to="label_insm_CollaborativeArrangementSuccessiveRenewalPeriod_2" xlink:title="label: CollaborativeArrangementSuccessiveRenewalPeriod to label_insm_CollaborativeArrangementSuccessiveRenewalPeriod" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty" xlink:label="insm_CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty" xlink:title="CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty" />
    <link:label xlink:type="resource" xlink:label="label_insm_CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty" xml:lang="en-US" id="label_insm_CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty">Collaborative Arrangement Prior Written Notice Period for Termination by Either Party</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty" xlink:to="label_insm_CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty" xlink:title="label: CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty to label_insm_CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty" xml:lang="en-US" id="label_insm_CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty_1">Prior written notice period for termination</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty" xlink:to="label_insm_CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty_1" xlink:title="label: CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty to label_insm_CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty" xml:lang="en-US" id="label_insm_CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty_2">Represents the prior written notice period required for termination of agreement by either party.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty" xlink:to="label_insm_CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty_2" xlink:title="label: CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty to label_insm_CollaborativeArrangementPriorWrittenNoticePeriodForTerminationByEitherParty" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination" xlink:label="insm_CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination" xlink:title="CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination" />
    <link:label xlink:type="resource" xlink:label="label_insm_CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination" xml:lang="en-US" id="label_insm_CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination">Collaborative Arrangement Minimum Number of Days of Advance Notice for Termination</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination" xlink:to="label_insm_CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination" xlink:title="label: CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination to label_insm_CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination" xml:lang="en-US" id="label_insm_CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination_1">Minimum number of days of advance notice for termination</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination" xlink:to="label_insm_CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination_1" xlink:title="label: CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination to label_insm_CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination" xml:lang="en-US" id="label_insm_CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination_2">Represents the minimum number of advance notice required for termination of agreement by the entity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination" xlink:to="label_insm_CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination_2" xlink:title="label: CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination to label_insm_CollaborativeArrangementMinimumNumberOfDaysOfAdvanceNoticeForTermination" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_EmployeeAndDirectorsStockOptionsMember" xlink:label="insm_EmployeeAndDirectorsStockOptionsMember" xlink:title="EmployeeAndDirectorsStockOptionsMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_EmployeeAndDirectorsStockOptionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_EmployeeAndDirectorsStockOptionsMember" xml:lang="en-US" id="label_insm_EmployeeAndDirectorsStockOptionsMember">Stock options</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EmployeeAndDirectorsStockOptionsMember" xlink:to="label_insm_EmployeeAndDirectorsStockOptionsMember" xlink:title="label: EmployeeAndDirectorsStockOptionsMember to label_insm_EmployeeAndDirectorsStockOptionsMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_EmployeeAndDirectorsStockOptionsMember_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_insm_EmployeeAndDirectorsStockOptionsMember" xml:lang="en-US" id="label_insm_EmployeeAndDirectorsStockOptionsMember_1">Stock options to purchase common stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EmployeeAndDirectorsStockOptionsMember" xlink:to="label_insm_EmployeeAndDirectorsStockOptionsMember_1" xlink:title="label: EmployeeAndDirectorsStockOptionsMember to label_insm_EmployeeAndDirectorsStockOptionsMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_EmployeeAndDirectorsStockOptionsMember_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_EmployeeAndDirectorsStockOptionsMember" xml:lang="en-US" id="label_insm_EmployeeAndDirectorsStockOptionsMember_2">Employee and Directors Stock Options [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EmployeeAndDirectorsStockOptionsMember" xlink:to="label_insm_EmployeeAndDirectorsStockOptionsMember_2" xlink:title="label: EmployeeAndDirectorsStockOptionsMember to label_insm_EmployeeAndDirectorsStockOptionsMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_EmployeeAndDirectorsStockOptionsMember_3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_EmployeeAndDirectorsStockOptionsMember" xml:lang="en-US" id="label_insm_EmployeeAndDirectorsStockOptionsMember_3">An arrangement whereby an employee or member of the Board of Directors is entitled to receive in the future, subject to vesting and other restrictions, a number of shares in the entity at a specified price, as defined in the agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_EmployeeAndDirectorsStockOptionsMember" xlink:to="label_insm_EmployeeAndDirectorsStockOptionsMember_3" xlink:title="label: EmployeeAndDirectorsStockOptionsMember to label_insm_EmployeeAndDirectorsStockOptionsMember" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_FairValueOfWarrantsOutstanding" xlink:label="insm_FairValueOfWarrantsOutstanding" xlink:title="FairValueOfWarrantsOutstanding" />
    <link:label xlink:type="resource" xlink:label="label_insm_FairValueOfWarrantsOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_FairValueOfWarrantsOutstanding" xml:lang="en-US" id="label_insm_FairValueOfWarrantsOutstanding">Fair Value of Warrants Outstanding</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_FairValueOfWarrantsOutstanding" xlink:to="label_insm_FairValueOfWarrantsOutstanding" xlink:title="label: FairValueOfWarrantsOutstanding to label_insm_FairValueOfWarrantsOutstanding" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_FairValueOfWarrantsOutstanding_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_FairValueOfWarrantsOutstanding" xml:lang="en-US" id="label_insm_FairValueOfWarrantsOutstanding_1">Value of warrant exercised by converting the warrant into shares of common stock ("net issuance method")</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_FairValueOfWarrantsOutstanding" xlink:to="label_insm_FairValueOfWarrantsOutstanding_1" xlink:title="label: FairValueOfWarrantsOutstanding to label_insm_FairValueOfWarrantsOutstanding" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_FairValueOfWarrantsOutstanding_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_FairValueOfWarrantsOutstanding" xml:lang="en-US" id="label_insm_FairValueOfWarrantsOutstanding_2">Represents the amount of change in value of warrant exercised by converting the warrant into shares of common stock.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_FairValueOfWarrantsOutstanding" xlink:to="label_insm_FairValueOfWarrantsOutstanding_2" xlink:title="label: FairValueOfWarrantsOutstanding to label_insm_FairValueOfWarrantsOutstanding" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_PARIPharmaGmbHCommercializationAgreementMember" xlink:label="insm_PARIPharmaGmbHCommercializationAgreementMember" xlink:title="PARIPharmaGmbHCommercializationAgreementMember" />
    <link:label xlink:type="resource" xlink:label="label_insm_PARIPharmaGmbHCommercializationAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_PARIPharmaGmbHCommercializationAgreementMember" xml:lang="en-US" id="label_insm_PARIPharmaGmbHCommercializationAgreementMember">PARI Pharma GmbH Commercialization Agreement [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_PARIPharmaGmbHCommercializationAgreementMember" xlink:to="label_insm_PARIPharmaGmbHCommercializationAgreementMember" xlink:title="label: PARIPharmaGmbHCommercializationAgreementMember to label_insm_PARIPharmaGmbHCommercializationAgreementMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_PARIPharmaGmbHCommercializationAgreementMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_PARIPharmaGmbHCommercializationAgreementMember" xml:lang="en-US" id="label_insm_PARIPharmaGmbHCommercializationAgreementMember_1">PARI Agreement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_PARIPharmaGmbHCommercializationAgreementMember" xlink:to="label_insm_PARIPharmaGmbHCommercializationAgreementMember_1" xlink:title="label: PARIPharmaGmbHCommercializationAgreementMember to label_insm_PARIPharmaGmbHCommercializationAgreementMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_PARIPharmaGmbHCommercializationAgreementMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_PARIPharmaGmbHCommercializationAgreementMember" xml:lang="en-US" id="label_insm_PARIPharmaGmbHCommercializationAgreementMember_2">Represents the agreement with PARI Pharma GmbH, for the manufacture and supply of eFlow nebulizer systems and related accessories, liposomal amikacin for inhalation.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_PARIPharmaGmbHCommercializationAgreementMember" xlink:to="label_insm_PARIPharmaGmbHCommercializationAgreementMember_2" xlink:title="label: PARIPharmaGmbHCommercializationAgreementMember to label_insm_PARIPharmaGmbHCommercializationAgreementMember" use="optional" />
    <link:loc xlink:type="locator" xlink:href="insm-20140630.xsd#insm_AdditionalTermOfContractManufacturingAgreement" xlink:label="insm_AdditionalTermOfContractManufacturingAgreement" xlink:title="AdditionalTermOfContractManufacturingAgreement" />
    <link:label xlink:type="resource" xlink:label="label_insm_AdditionalTermOfContractManufacturingAgreement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_insm_AdditionalTermOfContractManufacturingAgreement" xml:lang="en-US" id="label_insm_AdditionalTermOfContractManufacturingAgreement">Additional Term of Contract Manufacturing Agreement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AdditionalTermOfContractManufacturingAgreement" xlink:to="label_insm_AdditionalTermOfContractManufacturingAgreement" xlink:title="label: AdditionalTermOfContractManufacturingAgreement to label_insm_AdditionalTermOfContractManufacturingAgreement" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_AdditionalTermOfContractManufacturingAgreement_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_insm_AdditionalTermOfContractManufacturingAgreement" xml:lang="en-US" id="label_insm_AdditionalTermOfContractManufacturingAgreement_1">Additional term of contract manufacturing agreement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AdditionalTermOfContractManufacturingAgreement" xlink:to="label_insm_AdditionalTermOfContractManufacturingAgreement_1" xlink:title="label: AdditionalTermOfContractManufacturingAgreement to label_insm_AdditionalTermOfContractManufacturingAgreement" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_insm_AdditionalTermOfContractManufacturingAgreement_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_insm_AdditionalTermOfContractManufacturingAgreement" xml:lang="en-US" id="label_insm_AdditionalTermOfContractManufacturingAgreement_2">Represents the additional extension period of contract manufacturing agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="insm_AdditionalTermOfContractManufacturingAgreement" xlink:to="label_insm_AdditionalTermOfContractManufacturingAgreement_2" xlink:title="label: AdditionalTermOfContractManufacturingAgreement to label_insm_AdditionalTermOfContractManufacturingAgreement" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="us-gaap_AccountsReceivableNetCurrent" xlink:title="AccountsReceivableNetCurrent" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AccountsReceivableNetCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_AccountsReceivableNetCurrent" xml:lang="en-US" id="label_us-gaap_AccountsReceivableNetCurrent">Accounts receivable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableNetCurrent" xlink:to="label_us-gaap_AccountsReceivableNetCurrent" xlink:title="label: AccountsReceivableNetCurrent to label_us-gaap_AccountsReceivableNetCurrent" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AccountsReceivableNetCurrent_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AccountsReceivableNetCurrent" xml:lang="en-US" id="label_us-gaap_AccountsReceivableNetCurrent_1">Accounts Receivable, Net, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableNetCurrent" xlink:to="label_us-gaap_AccountsReceivableNetCurrent_1" xlink:title="label: AccountsReceivableNetCurrent to label_us-gaap_AccountsReceivableNetCurrent" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="us-gaap_AccountsPayableCurrent" xlink:title="AccountsPayableCurrent" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AccountsPayableCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_AccountsPayableCurrent" xml:lang="en-US" id="label_us-gaap_AccountsPayableCurrent">Accounts payable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableCurrent" xlink:to="label_us-gaap_AccountsPayableCurrent" xlink:title="label: AccountsPayableCurrent to label_us-gaap_AccountsPayableCurrent" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AccountsPayableCurrent_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AccountsPayableCurrent" xml:lang="en-US" id="label_us-gaap_AccountsPayableCurrent_1">Accounts Payable, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableCurrent" xlink:to="label_us-gaap_AccountsPayableCurrent_1" xlink:title="label: AccountsPayableCurrent to label_us-gaap_AccountsPayableCurrent" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccretionExpense" xlink:label="us-gaap_AccretionExpense" xlink:title="AccretionExpense" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AccretionExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_AccretionExpense" xml:lang="en-US" id="label_us-gaap_AccretionExpense">Accrual of the end of term charge on the debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccretionExpense" xlink:to="label_us-gaap_AccretionExpense" xlink:title="label: AccretionExpense to label_us-gaap_AccretionExpense" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AccretionExpense_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AccretionExpense" xml:lang="en-US" id="label_us-gaap_AccretionExpense_1">Accretion Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccretionExpense" xlink:to="label_us-gaap_AccretionExpense_1" xlink:title="label: AccretionExpense to label_us-gaap_AccretionExpense" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccruedLiabilitiesCurrentAbstract" xlink:label="us-gaap_AccruedLiabilitiesCurrentAbstract" xlink:title="AccruedLiabilitiesCurrentAbstract" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AccruedLiabilitiesCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AccruedLiabilitiesCurrentAbstract" xml:lang="en-US" id="label_us-gaap_AccruedLiabilitiesCurrentAbstract">Accrued Expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedLiabilitiesCurrentAbstract" xlink:to="label_us-gaap_AccruedLiabilitiesCurrentAbstract" xlink:title="label: AccruedLiabilitiesCurrentAbstract to label_us-gaap_AccruedLiabilitiesCurrentAbstract" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccruedRentNoncurrent" xlink:label="us-gaap_AccruedRentNoncurrent" xlink:title="AccruedRentNoncurrent" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AccruedRentNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_AccruedRentNoncurrent" xml:lang="en-US" id="label_us-gaap_AccruedRentNoncurrent">Accrued lease expense, long-term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedRentNoncurrent" xlink:to="label_us-gaap_AccruedRentNoncurrent" xlink:title="label: AccruedRentNoncurrent to label_us-gaap_AccruedRentNoncurrent" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AccruedRentNoncurrent_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AccruedRentNoncurrent" xml:lang="en-US" id="label_us-gaap_AccruedRentNoncurrent_1">Accrued Rent, Noncurrent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedRentNoncurrent" xlink:to="label_us-gaap_AccruedRentNoncurrent_1" xlink:title="label: AccruedRentNoncurrent to label_us-gaap_AccruedRentNoncurrent" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccruedRentCurrentAndNoncurrent" xlink:label="us-gaap_AccruedRentCurrentAndNoncurrent" xlink:title="AccruedRentCurrentAndNoncurrent" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AccruedRentCurrentAndNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_AccruedRentCurrentAndNoncurrent" xml:lang="en-US" id="label_us-gaap_AccruedRentCurrentAndNoncurrent">Remaining rental accrual</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedLiabilitiesCurrent" xlink:to="label_us-gaap_AccruedLiabilitiesCurrent_2" xlink:title="label: AccruedLiabilitiesCurrent to label_us-gaap_AccruedLiabilitiesCurrent" use="optional" />
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xml:lang="en-US" id="label_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment">Less accumulated depreciation and amortization</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_AccumulatedOtherComprehensiveIncomeMember" xml:lang="en-US" id="label_us-gaap_AccumulatedOtherComprehensiveIncomeMember">Accumulated Other Comprehensive Income (Loss)</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:title="AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" />
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_AdditionalPaidInCapital_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AdditionalPaidInCapital" xml:lang="en-US" id="label_us-gaap_AdditionalPaidInCapital_1">Additional Paid in Capital</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xml:lang="en-US" id="label_us-gaap_ComponentsOfDeferredTaxAssetsAbstract">Deferred tax assets</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_ComponentsOfDeferredTaxAssetsAbstract_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xml:lang="en-US" id="label_us-gaap_ComponentsOfDeferredTaxAssetsAbstract_1">Components of Deferred Tax Assets [Abstract]</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xml:lang="en-US" id="label_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract">Deferred tax assets and liabilities</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConversionOfStockAmountConverted1" xlink:label="us-gaap_ConversionOfStockAmountConverted1" xlink:title="ConversionOfStockAmountConverted1" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ConversionOfStockAmountConverted1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_ConversionOfStockAmountConverted1" xml:lang="en-US" id="label_us-gaap_ConversionOfStockAmountConverted1">Conversion of Series B preferred stock into common stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConversionOfStockAmountConverted1" xlink:to="label_us-gaap_ConversionOfStockAmountConverted1" xlink:title="label: ConversionOfStockAmountConverted1 to label_us-gaap_ConversionOfStockAmountConverted1" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ConversionOfStockAmountConverted1_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_ConversionOfStockAmountConverted1" xml:lang="en-US" id="label_us-gaap_ConversionOfStockAmountConverted1_1">Equivalent amount in conversion of preferred stock to common stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConversionOfStockAmountConverted1" xlink:to="label_us-gaap_ConversionOfStockAmountConverted1_1" xlink:title="label: ConversionOfStockAmountConverted1 to label_us-gaap_ConversionOfStockAmountConverted1" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ConversionOfStockAmountConverted1_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ConversionOfStockAmountConverted1" xml:lang="en-US" id="label_us-gaap_ConversionOfStockAmountConverted1_2">Conversion of Stock, Amount Converted</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConversionOfStockAmountConverted1" xlink:to="label_us-gaap_ConversionOfStockAmountConverted1_2" xlink:title="label: ConversionOfStockAmountConverted1 to label_us-gaap_ConversionOfStockAmountConverted1" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConversionOfStockAmountIssued1" xlink:label="us-gaap_ConversionOfStockAmountIssued1" xlink:title="ConversionOfStockAmountIssued1" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ConversionOfStockAmountIssued1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_ConversionOfStockAmountIssued1" xml:lang="en-US" id="label_us-gaap_ConversionOfStockAmountIssued1">Conversion of preferred stock into common stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConversionOfStockAmountIssued1" xlink:to="label_us-gaap_ConversionOfStockAmountIssued1" xlink:title="label: ConversionOfStockAmountIssued1 to label_us-gaap_ConversionOfStockAmountIssued1" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ConversionOfStockAmountIssued1_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ConversionOfStockAmountIssued1" xml:lang="en-US" id="label_us-gaap_ConversionOfStockAmountIssued1_1">Conversion of Stock, Amount Issued</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConversionOfStockAmountIssued1" xlink:to="label_us-gaap_ConversionOfStockAmountIssued1_1" xlink:title="label: ConversionOfStockAmountIssued1 to label_us-gaap_ConversionOfStockAmountIssued1" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtLongtermAndShorttermCombinedAmountAbstract" xlink:label="us-gaap_DebtLongtermAndShorttermCombinedAmountAbstract" xlink:title="DebtLongtermAndShorttermCombinedAmountAbstract" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtLongtermAndShorttermCombinedAmountAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_DebtLongtermAndShorttermCombinedAmountAbstract" xml:lang="en-US" id="label_us-gaap_DebtLongtermAndShorttermCombinedAmountAbstract">Components of the Company's debt balance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtLongtermAndShorttermCombinedAmountAbstract" xlink:to="label_us-gaap_DebtLongtermAndShorttermCombinedAmountAbstract" xlink:title="label: DebtLongtermAndShorttermCombinedAmountAbstract to label_us-gaap_DebtLongtermAndShorttermCombinedAmountAbstract" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtLongtermAndShorttermCombinedAmountAbstract_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DebtLongtermAndShorttermCombinedAmountAbstract" xml:lang="en-US" id="label_us-gaap_DebtLongtermAndShorttermCombinedAmountAbstract_1">Debt, Long-term and Short-term, Combined Amount [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtLongtermAndShorttermCombinedAmountAbstract" xlink:to="label_us-gaap_DebtLongtermAndShorttermCombinedAmountAbstract_1" xlink:title="label: DebtLongtermAndShorttermCombinedAmountAbstract to label_us-gaap_DebtLongtermAndShorttermCombinedAmountAbstract" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:title="DebtInstrumentDescriptionOfVariableRateBasis" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xml:lang="en-US" id="label_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis">Variable interest rate in event of default (as a percent)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:to="label_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:title="label: DebtInstrumentDescriptionOfVariableRateBasis to label_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xml:lang="en-US" id="label_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_1">Debt Instrument, Description of Variable Rate Basis</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:to="label_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_1" xlink:title="label: DebtInstrumentDescriptionOfVariableRateBasis to label_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems" xlink:title="DebtInstrumentLineItems" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtInstrumentLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_DebtInstrumentLineItems" xml:lang="en-US" id="label_us-gaap_DebtInstrumentLineItems">Debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="label_us-gaap_DebtInstrumentLineItems" xlink:title="label: DebtInstrumentLineItems to label_us-gaap_DebtInstrumentLineItems" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtInstrumentLineItems_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DebtInstrumentLineItems" xml:lang="en-US" id="label_us-gaap_DebtInstrumentLineItems_1">Debt Instrument [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="label_us-gaap_DebtInstrumentLineItems_1" xlink:title="label: DebtInstrumentLineItems to label_us-gaap_DebtInstrumentLineItems" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable" xlink:title="DebtInstrumentTable" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtInstrumentTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DebtInstrumentTable" xml:lang="en-US" id="label_us-gaap_DebtInstrumentTable">Schedule of Long-term Debt Instruments [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="label_us-gaap_DebtInstrumentTable" xlink:title="label: DebtInstrumentTable to label_us-gaap_DebtInstrumentTable" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature" xlink:label="us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature" xlink:title="DebtInstrumentConvertibleBeneficialConversionFeature" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature" xml:lang="en-US" id="label_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature">Non-cash BCC recorded</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature" xlink:to="label_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature" xlink:title="label: DebtInstrumentConvertibleBeneficialConversionFeature to label_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature" xml:lang="en-US" id="label_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature_1">Debt Instrument, Convertible, Beneficial Conversion Feature</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature" xlink:to="label_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature_1" xlink:title="label: DebtInstrumentConvertibleBeneficialConversionFeature to label_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="us-gaap_DebtDisclosureAbstract" xlink:title="DebtDisclosureAbstract" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DebtDisclosureAbstract" xml:lang="en-US" id="label_us-gaap_DebtDisclosureAbstract">Debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="label_us-gaap_DebtDisclosureAbstract" xlink:title="label: DebtDisclosureAbstract to label_us-gaap_DebtDisclosureAbstract" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="us-gaap_DebtDisclosureTextBlock" xlink:title="DebtDisclosureTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_DebtDisclosureTextBlock" xml:lang="en-US" id="label_us-gaap_DebtDisclosureTextBlock">Debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtDisclosureTextBlock" xlink:to="label_us-gaap_DebtDisclosureTextBlock" xlink:title="label: DebtDisclosureTextBlock to label_us-gaap_DebtDisclosureTextBlock" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtDisclosureTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DebtDisclosureTextBlock" xml:lang="en-US" id="label_us-gaap_DebtDisclosureTextBlock_1">Debt Disclosure [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtDisclosureTextBlock" xlink:to="label_us-gaap_DebtDisclosureTextBlock_1" xlink:title="label: DebtDisclosureTextBlock to label_us-gaap_DebtDisclosureTextBlock" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="us-gaap_DebtInstrumentAxis" xlink:title="DebtInstrumentAxis" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtInstrumentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DebtInstrumentAxis" xml:lang="en-US" id="label_us-gaap_DebtInstrumentAxis">Debt Instrument [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="label_us-gaap_DebtInstrumentAxis" xlink:title="label: DebtInstrumentAxis to label_us-gaap_DebtInstrumentAxis" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:title="DebtInstrumentConvertibleConversionPrice1" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_DebtInstrumentConvertibleConversionPrice1" xml:lang="en-US" id="label_us-gaap_DebtInstrumentConvertibleConversionPrice1">Discount on fair value of common stock (in dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:to="label_us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:title="label: DebtInstrumentConvertibleConversionPrice1 to label_us-gaap_DebtInstrumentConvertibleConversionPrice1" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtInstrumentConvertibleConversionPrice1_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DebtInstrumentConvertibleConversionPrice1" xml:lang="en-US" id="label_us-gaap_DebtInstrumentConvertibleConversionPrice1_1">Debt Instrument, Convertible, Conversion Price</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="us-gaap_DebtInstrumentNameDomain" xlink:title="DebtInstrumentNameDomain" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtInstrumentNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DebtInstrumentNameDomain" xml:lang="en-US" id="label_us-gaap_DebtInstrumentNameDomain">Debt Instrument, Name [Domain]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtPolicyTextBlock" xlink:label="us-gaap_DebtPolicyTextBlock" xlink:title="DebtPolicyTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_DebtPolicyTextBlock" xml:lang="en-US" id="label_us-gaap_DebtPolicyTextBlock">Debt Issuance Costs</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtPolicyTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DebtPolicyTextBlock" xml:lang="en-US" id="label_us-gaap_DebtPolicyTextBlock_1">Debt, Policy [Policy Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtPolicyTextBlock" xlink:to="label_us-gaap_DebtPolicyTextBlock_1" xlink:title="label: DebtPolicyTextBlock to label_us-gaap_DebtPolicyTextBlock" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtCurrent" xlink:label="us-gaap_DebtCurrent" xlink:title="DebtCurrent" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtCurrent" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_us-gaap_DebtCurrent" xml:lang="en-US" id="label_us-gaap_DebtCurrent">Current portion of long-term debt</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtCurrent_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DebtCurrent" xml:lang="en-US" id="label_us-gaap_DebtCurrent_1">Debt, Current</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:title="EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" />
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_EmployeeStockMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_EmployeeStockMember" xml:lang="en-US" id="label_us-gaap_EmployeeStockMember_1">Employee Stock [Member]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities" xlink:label="us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities" xlink:title="IncreaseDecreaseInEmployeeRelatedLiabilities" />
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities" xml:lang="en-US" id="label_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_1">Increase (Decrease) in Employee Related Liabilities</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInIncomeTaxesReceivable" xlink:label="us-gaap_IncreaseDecreaseInIncomeTaxesReceivable" xlink:title="IncreaseDecreaseInIncomeTaxesReceivable" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:title="IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:title="IncreaseDecreaseInStockholdersEquityRollForward" />
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xml:lang="en-US" id="label_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1">Increase (Decrease) in Stockholders' Equity [Roll Forward]</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPayableCurrent" xlink:to="label_us-gaap_InterestPayableCurrent_1" xlink:title="label: InterestPayableCurrent to label_us-gaap_InterestPayableCurrent" use="optional" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpense" xlink:to="label_us-gaap_InterestExpense" xlink:title="label: InterestExpense to label_us-gaap_InterestExpense" use="optional" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="us-gaap_LeaseAndRentalExpense" xlink:title="LeaseAndRentalExpense" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseAndRentalExpense" xlink:to="label_us-gaap_LeaseAndRentalExpense" xlink:title="label: LeaseAndRentalExpense to label_us-gaap_LeaseAndRentalExpense" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LeaseAndRentalExpense_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_LeaseAndRentalExpense" xml:lang="en-US" id="label_us-gaap_LeaseAndRentalExpense_1">Operating Leases, Rent Expense</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LeaseholdImprovementsMember" xlink:label="us-gaap_LeaseholdImprovementsMember" xlink:title="LeaseholdImprovementsMember" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LeaseholdImprovementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_LeaseholdImprovementsMember" xml:lang="en-US" id="label_us-gaap_LeaseholdImprovementsMember">Leasehold improvements</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseholdImprovementsMember" xlink:to="label_us-gaap_LeaseholdImprovementsMember" xlink:title="label: LeaseholdImprovementsMember to label_us-gaap_LeaseholdImprovementsMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LeaseholdImprovementsMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_LeaseholdImprovementsMember" xml:lang="en-US" id="label_us-gaap_LeaseholdImprovementsMember_1">Leasehold Improvements [Member]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LeasesAbstract" xlink:label="us-gaap_LeasesAbstract" xlink:title="LeasesAbstract" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LeasesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_LeasesAbstract" xml:lang="en-US" id="label_us-gaap_LeasesAbstract">Commitments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeasesAbstract" xlink:to="label_us-gaap_LeasesAbstract" xlink:title="label: LeasesAbstract to label_us-gaap_LeasesAbstract" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LeasesAbstract_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_LeasesAbstract" xml:lang="en-US" id="label_us-gaap_LeasesAbstract_1">Leases [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeasesAbstract" xlink:to="label_us-gaap_LeasesAbstract_1" xlink:title="label: LeasesAbstract to label_us-gaap_LeasesAbstract" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent" xlink:title="LiabilitiesCurrent" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_LiabilitiesCurrent" xml:lang="en-US" id="label_us-gaap_LiabilitiesCurrent">Total current liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="label_us-gaap_LiabilitiesCurrent" xlink:title="label: LiabilitiesCurrent to label_us-gaap_LiabilitiesCurrent" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LiabilitiesCurrent_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_LiabilitiesCurrent" xml:lang="en-US" id="label_us-gaap_LiabilitiesCurrent_1">Liabilities, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="label_us-gaap_LiabilitiesCurrent_1" xlink:title="label: LiabilitiesCurrent to label_us-gaap_LiabilitiesCurrent" use="optional" />
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_LiabilitiesAndStockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_LiabilitiesAndStockholdersEquity" xml:lang="en-US" id="label_us-gaap_LiabilitiesAndStockholdersEquity">Total liabilities and shareholders' equity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="label_us-gaap_LiabilitiesAndStockholdersEquity" xlink:title="label: LiabilitiesAndStockholdersEquity to label_us-gaap_LiabilitiesAndStockholdersEquity" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LiabilitiesAndStockholdersEquity_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_LiabilitiesAndStockholdersEquity" xml:lang="en-US" id="label_us-gaap_LiabilitiesAndStockholdersEquity_1">Liabilities and Equity</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="us-gaap_LiabilitiesCurrentAbstract" xlink:title="LiabilitiesCurrentAbstract" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LiabilitiesCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_LiabilitiesCurrentAbstract" xml:lang="en-US" id="label_us-gaap_LiabilitiesCurrentAbstract">Current liabilities:</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_LiabilitiesCurrentAbstract_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_LiabilitiesCurrentAbstract" xml:lang="en-US" id="label_us-gaap_LiabilitiesCurrentAbstract_1">Liabilities, Current [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="label_us-gaap_LiabilitiesCurrentAbstract_1" xlink:title="label: LiabilitiesCurrentAbstract to label_us-gaap_LiabilitiesCurrentAbstract" use="optional" />
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_Liabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_Liabilities" xml:lang="en-US" id="label_us-gaap_Liabilities">Total liabilities</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_Liabilities_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_Liabilities" xml:lang="en-US" id="label_us-gaap_Liabilities_1">Liabilities</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xml:lang="en-US" id="label_us-gaap_LiabilitiesAndStockholdersEquityAbstract">Liabilities and shareholders' equity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="label_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:title="label: LiabilitiesAndStockholdersEquityAbstract to label_us-gaap_LiabilitiesAndStockholdersEquityAbstract" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LiabilitiesAndStockholdersEquityAbstract_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xml:lang="en-US" id="label_us-gaap_LiabilitiesAndStockholdersEquityAbstract_1">Liabilities and Equity [Abstract]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LicenseAndServicesRevenue" xlink:label="us-gaap_LicenseAndServicesRevenue" xlink:title="LicenseAndServicesRevenue" />
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_LicenseAndServicesRevenue_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_LicenseAndServicesRevenue" xml:lang="en-US" id="label_us-gaap_LicenseAndServicesRevenue_1">License and Services Revenue</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_LicensesRevenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_LicensesRevenue" xml:lang="en-US" id="label_us-gaap_LicensesRevenue">License fees</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="us-gaap_LongTermDebtCurrent" xlink:title="LongTermDebtCurrent" />
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_LongTermDebtNoncurrent_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_LongTermDebtNoncurrent" xml:lang="en-US" id="label_us-gaap_LongTermDebtNoncurrent_2">Long-term Debt, Excluding Current Maturities</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss" xlink:title="NetIncomeLoss" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_NetIncomeLoss" xml:lang="en-US" id="label_us-gaap_NetIncomeLoss">Net loss</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetIncomeLoss_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_NetIncomeLoss" xml:lang="en-US" id="label_us-gaap_NetIncomeLoss_1">Net loss</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="label_us-gaap_NetIncomeLoss_1" xlink:title="label: NetIncomeLoss to label_us-gaap_NetIncomeLoss" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetIncomeLoss_2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_NetIncomeLoss" xml:lang="en-US" id="label_us-gaap_NetIncomeLoss_2">Net loss</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="label_us-gaap_NetIncomeLoss_2" xlink:title="label: NetIncomeLoss to label_us-gaap_NetIncomeLoss" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetIncomeLoss_3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_NetIncomeLoss" xml:lang="en-US" id="label_us-gaap_NetIncomeLoss_3">Net Income (Loss) Attributable to Parent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="label_us-gaap_NetIncomeLoss_3" xlink:title="label: NetIncomeLoss to label_us-gaap_NetIncomeLoss" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:title="NewAccountingPronouncementsPolicyPolicyTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xml:lang="en-US" id="label_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock">Recently Adopted Accounting Pronouncements</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:to="label_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:title="label: NewAccountingPronouncementsPolicyPolicyTextBlock to label_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xml:lang="en-US" id="label_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_1">New Accounting Pronouncements, Policy [Policy Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:to="label_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_1" xlink:title="label: NewAccountingPronouncementsPolicyPolicyTextBlock to label_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="us-gaap_NumberOfReportableSegments" xlink:title="NumberOfReportableSegments" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NumberOfReportableSegments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_NumberOfReportableSegments" xml:lang="en-US" id="label_us-gaap_NumberOfReportableSegments">Number of reportable segments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NumberOfReportableSegments" xlink:to="label_us-gaap_NumberOfReportableSegments" xlink:title="label: NumberOfReportableSegments to label_us-gaap_NumberOfReportableSegments" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NumberOfReportableSegments_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_NumberOfReportableSegments" xml:lang="en-US" id="label_us-gaap_NumberOfReportableSegments_1">Number of Reportable Segments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NumberOfReportableSegments" xlink:to="label_us-gaap_NumberOfReportableSegments_1" xlink:title="label: NumberOfReportableSegments to label_us-gaap_NumberOfReportableSegments" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OfficeEquipmentMember" xlink:label="us-gaap_OfficeEquipmentMember" xlink:title="OfficeEquipmentMember" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OfficeEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_OfficeEquipmentMember" xml:lang="en-US" id="label_us-gaap_OfficeEquipmentMember">Office equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OfficeEquipmentMember" xlink:to="label_us-gaap_OfficeEquipmentMember" xlink:title="label: OfficeEquipmentMember to label_us-gaap_OfficeEquipmentMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OfficeEquipmentMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OfficeEquipmentMember" xml:lang="en-US" id="label_us-gaap_OfficeEquipmentMember_1">Office Equipment [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OfficeEquipmentMember" xlink:to="label_us-gaap_OfficeEquipmentMember_1" xlink:title="label: OfficeEquipmentMember to label_us-gaap_OfficeEquipmentMember" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:title="OperatingLeasesFutureMinimumPaymentsDueThereafter" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xml:lang="en-US" id="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter">2019</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:to="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueThereafter to label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xml:lang="en-US" id="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_1">Operating Leases, Future Minimum Payments, Due Thereafter</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:to="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_1" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueThereafter to label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:title="OperatingLeasesFutureMinimumPaymentsDueAbstract" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" xml:lang="en-US" id="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract">Future minimum rental payments under operating leases</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:to="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueAbstract to label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" xml:lang="en-US" id="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_1">Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:to="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_1" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueAbstract to label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="us-gaap_OperatingExpensesAbstract" xlink:title="OperatingExpensesAbstract" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OperatingExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_OperatingExpensesAbstract" xml:lang="en-US" id="label_us-gaap_OperatingExpensesAbstract">Operating expenses:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="label_us-gaap_OperatingExpensesAbstract" xlink:title="label: OperatingExpensesAbstract to label_us-gaap_OperatingExpensesAbstract" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OperatingExpensesAbstract_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OperatingExpensesAbstract" xml:lang="en-US" id="label_us-gaap_OperatingExpensesAbstract_1">Operating Expenses [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="label_us-gaap_OperatingExpensesAbstract_1" xlink:title="label: OperatingExpensesAbstract to label_us-gaap_OperatingExpensesAbstract" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:title="OperatingLeasesFutureMinimumPaymentsDueInFourYears" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xml:lang="en-US" id="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears">2017</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:to="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueInFourYears to label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xml:lang="en-US" id="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_1">Operating Leases, Future Minimum Payments, Due in Four Years</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:to="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_1" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueInFourYears to label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="us-gaap_OperatingExpenses" xlink:title="OperatingExpenses" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OperatingExpenses" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_OperatingExpenses" xml:lang="en-US" id="label_us-gaap_OperatingExpenses">Total operating expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpenses" xlink:to="label_us-gaap_OperatingExpenses" xlink:title="label: OperatingExpenses to label_us-gaap_OperatingExpenses" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OperatingExpenses_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OperatingExpenses" xml:lang="en-US" id="label_us-gaap_OperatingExpenses_1">Operating Expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpenses" xlink:to="label_us-gaap_OperatingExpenses_1" xlink:title="label: OperatingExpenses to label_us-gaap_OperatingExpenses" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:title="OperatingLeasesFutureMinimumPaymentsDueInFiveYears" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xml:lang="en-US" id="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears">2018</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:to="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueInFiveYears to label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xml:lang="en-US" id="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_1">Operating Leases, Future Minimum Payments, Due in Five Years</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:to="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_1" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueInFiveYears to label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:title="OperatingLeasesFutureMinimumPaymentsDueInThreeYears" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xml:lang="en-US" id="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears">2016</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:to="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueInThreeYears to label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xml:lang="en-US" id="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_1">Operating Leases, Future Minimum Payments, Due in Three Years</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:to="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_1" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueInThreeYears to label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" use="optional" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:title="OperatingLeasesFutureMinimumPaymentsDueCurrent" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xml:lang="en-US" id="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent">2014</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:to="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueCurrent to label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xml:lang="en-US" id="label_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_1">Operating Leases, Future Minimum Payments Due, Next Twelve Months</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherFiniteLivedIntangibleAssetsGross_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OtherFiniteLivedIntangibleAssetsGross" xml:lang="en-US" id="label_us-gaap_OtherFiniteLivedIntangibleAssetsGross_1">Other Finite-Lived Intangible Assets, Gross</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherMachineryAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_OtherMachineryAndEquipmentMember" xml:lang="en-US" id="label_us-gaap_OtherMachineryAndEquipmentMember">Other</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherMachineryAndEquipmentMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OtherMachineryAndEquipmentMember" xml:lang="en-US" id="label_us-gaap_OtherMachineryAndEquipmentMember_1">Other Machinery and Equipment [Member]</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherSalesRevenueNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_OtherSalesRevenueNet" xml:lang="en-US" id="label_us-gaap_OtherSalesRevenueNet">Other revenue</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherSalesRevenueNet_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OtherSalesRevenueNet" xml:lang="en-US" id="label_us-gaap_OtherSalesRevenueNet_1">Other Revenue, Net</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherSignificantNoncashTransactionConsiderationGiven" xlink:label="us-gaap_OtherSignificantNoncashTransactionConsiderationGiven" xlink:title="OtherSignificantNoncashTransactionConsiderationGiven" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherSignificantNoncashTransactionConsiderationGiven" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_OtherSignificantNoncashTransactionConsiderationGiven" xml:lang="en-US" id="label_us-gaap_OtherSignificantNoncashTransactionConsiderationGiven">Fair value of warrants in connection with debt</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherSignificantNoncashTransactionConsiderationGiven_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OtherSignificantNoncashTransactionConsiderationGiven" xml:lang="en-US" id="label_us-gaap_OtherSignificantNoncashTransactionConsiderationGiven_1">Other Significant Noncash Transaction, Consideration Given</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent" xlink:title="OtherAccruedLiabilitiesCurrent" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherAccruedLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_OtherAccruedLiabilitiesCurrent" xml:lang="en-US" id="label_us-gaap_OtherAccruedLiabilitiesCurrent">Other accrued expenses</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersCompensationEarned_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersCompensationEarned" xml:lang="en-US" id="label_us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersCompensationEarned_1">Research and Development Arrangement, Contract to Perform for Others, Compensation Earned</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_ResearchAndDevelopmentExpenseMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_ResearchAndDevelopmentExpenseMember" xml:lang="en-US" id="label_us-gaap_ResearchAndDevelopmentExpenseMember">Research and development expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchAndDevelopmentExpenseMember" xlink:to="label_us-gaap_ResearchAndDevelopmentExpenseMember" xlink:title="label: ResearchAndDevelopmentExpenseMember to label_us-gaap_ResearchAndDevelopmentExpenseMember" use="optional" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ResearchAndDevelopmentExpenseMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ResearchAndDevelopmentExpenseMember" xml:lang="en-US" id="label_us-gaap_ResearchAndDevelopmentExpenseMember_1">Research and Development Expense [Member]</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_ResearchAndDevelopmentExpensePolicy_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ResearchAndDevelopmentExpensePolicy" xml:lang="en-US" id="label_us-gaap_ResearchAndDevelopmentExpensePolicy_1">Research and Development Expense, Policy [Policy Text Block]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:label="us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:title="ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xml:lang="en-US" id="label_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock">Future principal repayments of the Notes</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xml:lang="en-US" id="label_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_1">Schedule of Maturities of Long-term Debt [Table Text Block]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:title="ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xml:lang="en-US" id="label_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock">Reconciliation between The Federal Statutory Tax Rate and Effective Tax Rate</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xml:lang="en-US" id="label_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_1">Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:title="ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xml:lang="en-US" id="label_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock">Deferred Tax Assets and Liabilities</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xml:lang="en-US" id="label_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_1">Schedule of Deferred Tax Assets and Liabilities [Table Text Block]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock" xlink:label="us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock" xlink:title="ScheduleOfAccruedLiabilitiesTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock" xml:lang="en-US" id="label_us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock">Accrued Expenses</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock" xml:lang="en-US" id="label_us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock_1">Schedule of Accrued Liabilities [Table Text Block]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" xlink:label="us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" xlink:title="ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" />
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" xml:lang="en-US" id="label_us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_1">Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:label="us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:title="ScheduleOfQuarterlyFinancialInformationTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" xml:lang="en-US" id="label_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock">Quarterly financial data (Unaudited)</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" xml:lang="en-US" id="label_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_1">Schedule of Quarterly Financial Information [Table Text Block]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" xlink:label="us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" xlink:title="ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" xml:lang="en-US" id="label_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock">Summary of Company's RSU activity</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" xml:lang="en-US" id="label_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_1">Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:title="ScheduleOfAvailableForSaleSecuritiesLineItems" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xml:lang="en-US" id="label_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems">Schedule of Available-for-sale Securities</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock" xlink:label="us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock" xlink:title="ScheduleOfWeightedAverageNumberOfSharesTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock" xml:lang="en-US" id="label_us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock">Reconciliation of the weighted average number of shares used to compute basic and diluted net loss per share</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock" xml:lang="en-US" id="label_us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock_1">Schedule of Weighted Average Number of Shares [Table Text Block]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:label="us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:title="ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" />
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xml:lang="en-US" id="label_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock">Comprehensive (loss) income</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfOperatingLeasedAssetsTable" xlink:label="us-gaap_ScheduleOfOperatingLeasedAssetsTable" xlink:title="ScheduleOfOperatingLeasedAssetsTable" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" />
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