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  <xsd:element id="vstm_StockIssuedDuringPeriodValueAtMarketTransactions" name="StockIssuedDuringPeriodValueAtMarketTransactions" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="vstm_StockIssuedDuringPeriodSharesAtMarketTransactions" name="StockIssuedDuringPeriodSharesAtMarketTransactions" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="vstm_MaximumValueOfCommonStockOfferedThroughMarketEquityOfferingProgram" name="MaximumValueOfCommonStockOfferedThroughMarketEquityOfferingProgram" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="vstm_AtMarketEquityOfferingProgramMember" name="AtMarketEquityOfferingProgramMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="vstm_TermLoanFacilityMember" name="TermLoanFacilityMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="vstm_DebtInstrumentAdditionalInterestRateInEventOfDefault" name="DebtInstrumentAdditionalInterestRateInEventOfDefault" nillable="true" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <xsd:element id="vstm_AccruedConsultingFeesCurrent" name="AccruedConsultingFeesCurrent" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="vstm_ProceedsFromIssuanceOfCommonStockNet" name="ProceedsFromIssuanceOfCommonStockNet" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" abstract="false" />
  <xsd:element id="vstm_ConcentrationsOfCreditRiskAndOffBalanceSheetRiskPolicyTextBlock" name="ConcentrationsOfCreditRiskAndOffBalanceSheetRiskPolicyTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="vstm_LicenseAndCollaborationAgreementAbstract" name="LicenseAndCollaborationAgreementAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="vstm_LicenseAndCollaborationAgreementMember" name="LicenseAndCollaborationAgreementMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="vstm_NumberOfDaysOfPriorNoticeToTerminateAgreement." name="NumberOfDaysOfPriorNoticeToTerminateAgreement." nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="vstm_NumberOfDaysOfPriorNoticeTerminationFailsToCureBreach" name="NumberOfDaysOfPriorNoticeTerminationFailsToCureBreach" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="vstm_ProductRevenueReservesAndAllowancesDisclosureAbstract" name="ProductRevenueReservesAndAllowancesDisclosureAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="vstm_ProductRevenueReservesAndAllowancesDisclosureTextBlock" name="ProductRevenueReservesAndAllowancesDisclosureTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="vstm_ProductRevenueReservesAndAllowancesTableTextBlock" name="ProductRevenueReservesAndAllowancesTableTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="vstm_ProductRevenueReservesAndAllowancesDisclosureTable" name="ProductRevenueReservesAndAllowancesDisclosureTable" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="vstm_ProductRevenueReservesAndAllowanceDisclosureLineItems" name="ProductRevenueReservesAndAllowanceDisclosureLineItems" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="vstm_ProductRevenueReservesAndAllowancesAdjustmentsRelatedToPriorPeriodSales" name="ProductRevenueReservesAndAllowancesAdjustmentsRelatedToPriorPeriodSales" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="vstm_ProductRevenueAllowancesAndReservesTypeAxis" name="ProductRevenueAllowancesAndReservesTypeAxis" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="vstm_ProductRevenueReservesAndAllowances" name="ProductRevenueReservesAndAllowances" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="vstm_ProductRevenueReservesAndAllowancesDeductions" name="ProductRevenueReservesAndAllowancesDeductions" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="vstm_ProductRevenueReservesAndAllowancesDomain" name="ProductRevenueReservesAndAllowancesDomain" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="vstm_ProductRevenueReservesAndAllowancesTradeDiscountsAndAllowancesMember" name="ProductRevenueReservesAndAllowancesTradeDiscountsAndAllowancesMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="vstm_ProductRevenueReservesAndAllowancesThirdPartyPayerChargebacksDiscountsAndFeesMember" name="ProductRevenueReservesAndAllowancesThirdPartyPayerChargebacksDiscountsAndFeesMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="vstm_ProductRevenueAndAllowancesReturnsMember" name="ProductRevenueAndAllowancesReturnsMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="vstm_ProductRevenueReservesAndAllowancesProvisionRelatedToSalesInCurrentYear" name="ProductRevenueReservesAndAllowancesProvisionRelatedToSalesInCurrentYear" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="vstm_AccruedCommercializationCostsCurrent" name="AccruedCommercializationCostsCurrent" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="vstm_ProductRevenueReservesAndAllowancesGovernmentRebatesAndOtherIncentivesMember" name="ProductRevenueReservesAndAllowancesGovernmentRebatesAndOtherIncentivesMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="vstm_NumberOfCustomers" name="NumberOfCustomers" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="vstm_LongTermDebtMaturitiesAggregatePrincipalDue" name="LongTermDebtMaturitiesAggregatePrincipalDue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="vstm_OfficeAndLaboratorySpaceLeaseArrangementMember" name="OfficeAndLaboratorySpaceLeaseArrangementMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="vstm_LoanAndSecurityAgreementMember" name="LoanAndSecurityAgreementMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="vstm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAwardVestingPeriods" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAwardVestingPeriods" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="vstm_CostOfGoodsSoldExcludingAmortization" name="CostOfGoodsSoldExcludingAmortization" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="vstm_LicenseAndCollaborationAgreementUpfrontPayment" name="LicenseAndCollaborationAgreementUpfrontPayment" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="vstm_SecuraBioInc.Member" name="SecuraBioInc.Member" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="vstm_LicenseAndCollaborationAgreementsRegulatoryMilestonePaymentsReceivable" name="LicenseAndCollaborationAgreementsRegulatoryMilestonePaymentsReceivable" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="vstm_LicenseAndCollaborationAgreementsRegulatoryMilestonePaymentsReceivableUponApprovalOfCopiktra" name="LicenseAndCollaborationAgreementsRegulatoryMilestonePaymentsReceivableUponApprovalOfCopiktra" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="vstm_LicenseAndCollaborationAgreementsRegulatoryMilestonePaymentsReceivableUponApprovalForCommercialSale" name="LicenseAndCollaborationAgreementsRegulatoryMilestonePaymentsReceivableUponApprovalForCommercialSale" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="vstm_LicenseAndCollaborationAgreementsSalesMilestoneReceivable" name="LicenseAndCollaborationAgreementsSalesMilestoneReceivable" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="vstm_LicenseAndCollaborationAgreementIfSalesExceeds100MillionMember" name="LicenseAndCollaborationAgreementIfSalesExceeds100MillionMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="vstm_LicenseAndCollaborationAgreementIfSalesExceeds200MillionMember" name="LicenseAndCollaborationAgreementIfSalesExceeds200MillionMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="vstm_LicenseAndCollaborationAgreementIfSalesExceeds300MillionMember" name="LicenseAndCollaborationAgreementIfSalesExceeds300MillionMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="vstm_LicenseAndCollaborationAgreementsThresholdSalesToTriggerMilestonePayments" name="LicenseAndCollaborationAgreementsThresholdSalesToTriggerMilestonePayments" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="vstm_LicenseAndCollaborationAgreementsThresholdSalesToTriggerRoyaltyPayments" name="LicenseAndCollaborationAgreementsThresholdSalesToTriggerRoyaltyPayments" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="vstm_LicenseAndCollaborationAgreementsPercentageOfRoyaltyMilestoneAndSubLicensingRevenuePaymentsEntitledUnderExistingLicenseAgreements" name="LicenseAndCollaborationAgreementsPercentageOfRoyaltyMilestoneAndSubLicensingRevenuePaymentsEntitledUnderExistingLicenseAgreements" nillable="true" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="vstm_LicenseAndCollaborationAgreementsPercentageOfRoyaltyAndMilestonePaymentsEntitledUnderCertainJurisdictions" name="LicenseAndCollaborationAgreementsPercentageOfRoyaltyAndMilestonePaymentsEntitledUnderCertainJurisdictions" nillable="true" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="vstm_CopiktraLicenseAndRelatedAssetsMember" name="CopiktraLicenseAndRelatedAssetsMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="vstm_LicenseCollaborationAndCommercialAgreementsDisclosureTextBlock" name="LicenseCollaborationAndCommercialAgreementsDisclosureTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="vstm_AccruedResearchAndDevelopmentExpensesCurrent" name="AccruedResearchAndDevelopmentExpensesCurrent" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="vstm_OfficeAndLaboratorySpaceInNeedhamMassachusettsMember" name="OfficeAndLaboratorySpaceInNeedhamMassachusettsMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="vstm_AtMarketEquityOfferingProgram2021Member" name="AtMarketEquityOfferingProgram2021Member" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentFinalPaymentFeePercentage" id="vstm_DebtInstrumentFinalPaymentFeePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PrepaymentOnOrBeforeFirstAnniversaryMember" id="vstm_PrepaymentOnOrBeforeFirstAnniversaryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PrepaymentAfterFirstAnniversaryAndOnOrBeforeSecondAnniversaryMember" id="vstm_PrepaymentAfterFirstAnniversaryAndOnOrBeforeSecondAnniversaryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PrepaymentAfterSecondAnniversaryMember" id="vstm_PrepaymentAfterSecondAnniversaryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TermBLoanMember" id="vstm_TermBLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ProceedsFromGrantsPolicyPolicyTextBlock" id="vstm_ProceedsFromGrantsPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ReductionInResearchAndDevelopmentExpense" id="vstm_ReductionInResearchAndDevelopmentExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="BiotechnologyValueFundMember" id="vstm_BiotechnologyValueFundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SeriesaConvertiblePreferredStockMember" id="vstm_SeriesaConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PaymentsOnInsurancePremiumFinancing" id="vstm_PaymentsOnInsurancePremiumFinancing" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ContractualInterestExpense" id="vstm_ContractualInterestExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="AfcoPremiumCreditLlcMember" id="vstm_AfcoPremiumCreditLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ProceedsFromInsurancePremiumFinancing" id="vstm_ProceedsFromInsurancePremiumFinancing" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="GenfleetTherapeuticsShanghaiIncMember" id="vstm_GenfleetTherapeuticsShanghaiIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PotentialMilestonePayments" id="vstm_PotentialMilestonePayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="AccruedClinicalTrialExpensesCurrent" id="vstm_AccruedClinicalTrialExpensesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AccruedContractManufacturingExpensesCurrent" id="vstm_AccruedContractManufacturingExpensesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="GrantsReceivableNet" id="vstm_GrantsReceivableNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PreFundedWarrantMember" id="vstm_PreFundedWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OperatingLeaseNonCashCost" id="vstm_OperatingLeaseNonCashCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="NumberOfPreferredStockConvertibleIntoCommonStock" id="vstm_NumberOfPreferredStockConvertibleIntoCommonStock" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="LicenseAndCollaborationAgreementsDevelopmentMilestonePayments" id="vstm_LicenseAndCollaborationAgreementsDevelopmentMilestonePayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="July2024PublicOfferingMember" id="vstm_July2024PublicOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ThresholdPercentageHeldToSharesOutstandingToExerciseWarrantsOrPreFundedWarrantsAtElectionOfHolder" id="vstm_ThresholdPercentageHeldToSharesOutstandingToExerciseWarrantsOrPreFundedWarrantsAtElectionOfHolder" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="WarrantOrPreFundedWarrantElectionToExerciseNoticePeriod" id="vstm_WarrantOrPreFundedWarrantElectionToExerciseNoticePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ProceedsFromIssuanceOfWarrantsAndCommonStock" id="vstm_ProceedsFromIssuanceOfWarrantsAndCommonStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ReconciliationOfWarrantLiabilityTableTextBlock" id="vstm_ReconciliationOfWarrantLiabilityTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ProceedsFromPreFundedWarrantExercises" id="vstm_ProceedsFromPreFundedWarrantExercises" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="SharesIssuedFromPreFundedWarrantExercises" id="vstm_SharesIssuedFromPreFundedWarrantExercises" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="StockIssuedDuringPeriodValueExerciseOfWarrants" id="vstm_StockIssuedDuringPeriodValueExerciseOfWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="StockIssuedDuringPeriodSharesExerciseOfWarrants" id="vstm_StockIssuedDuringPeriodSharesExerciseOfWarrants" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="FairValueAdjustmentOfWarrantsExercised" id="vstm_FairValueAdjustmentOfWarrantsExercised" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="IqviaIncMember" id="vstm_IqviaIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ResearchDevelopingAndCommercializationDrugsSegmentMember" id="vstm_ResearchDevelopingAndCommercializationDrugsSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ResearchAndDevelopmentExpenseExcludingNonCashStockBasedCompensationAndSeveranceExpense" id="vstm_ResearchAndDevelopmentExpenseExcludingNonCashStockBasedCompensationAndSeveranceExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CommercialExpenditure" id="vstm_CommercialExpenditure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="MedicalAffairExpenditure" id="vstm_MedicalAffairExpenditure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="NotePurchaseAgreementMember" id="vstm_NotePurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InitialSaleMember" id="vstm_InitialSaleMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SecondSaleMember" id="vstm_SecondSaleMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Trailing6MonthsWorldwideNetSalesOfAvutometinibAndDefactinibAtLeast55MillionMember" id="vstm_Trailing6MonthsWorldwideNetSalesOfAvutometinibAndDefactinibAtLeast55MillionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="First8QuartersFollowingNotePurchaseAgreementClosingDateMember" id="vstm_First8QuartersFollowingNotePurchaseAgreementClosingDateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="First100MillionNetSalesOfEachIncludedProductMember" id="vstm_First100MillionNetSalesOfEachIncludedProductMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PurchaseOfFull150MillionAggregatePrincipalAmountOfNoteMember" id="vstm_PurchaseOfFull150MillionAggregatePrincipalAmountOfNoteMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RedemptionPriorToSecondAnniversaryMember" id="vstm_RedemptionPriorToSecondAnniversaryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RedemptionPriorToThirdAnniversaryMember" id="vstm_RedemptionPriorToThirdAnniversaryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RedemptionAfterYearThirdAnniversaryMember" id="vstm_RedemptionAfterYearThirdAnniversaryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DebtInstrumentIssuanceOfAdditionalNotes" id="vstm_DebtInstrumentIssuanceOfAdditionalNotes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="CovenantWorldwideNetSalesOfAvutometinibAndDefactinib" id="vstm_CovenantWorldwideNetSalesOfAvutometinibAndDefactinib" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DebtInstrumentInterestRateStatedPercentageAdditionalInterestRate" id="vstm_DebtInstrumentInterestRateStatedPercentageAdditionalInterestRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="InterestDuePaidInKindPercentage" id="vstm_InterestDuePaidInKindPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="AdditionalIncreaseInInterestRateAtEventOfDefaultPercentage" id="vstm_AdditionalIncreaseInInterestRateAtEventOfDefaultPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ParticipationInNetSalesPercentage" id="vstm_ParticipationInNetSalesPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ParticipationInNetSalesSalesAmount" id="vstm_ParticipationInNetSalesSalesAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ParticipationInNetSalesAggregatePrincipalAmountOfDebt" id="vstm_ParticipationInNetSalesAggregatePrincipalAmountOfDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DebtInstrumentNumberOfEqualInstallments" id="vstm_DebtInstrumentNumberOfEqualInstallments" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="StockPurchaseRightPeriod" id="vstm_StockPurchaseRightPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="StockPurchaseRightMaximumAmount" id="vstm_StockPurchaseRightMaximumAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="StockPurchaseAgreementMember" id="vstm_StockPurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AchievementOfCertainDevelopmentAndCommercializationMilestonesMember" id="vstm_AchievementOfCertainDevelopmentAndCommercializationMilestonesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AchievementOfCertainSalesMilestonesMember" id="vstm_AchievementOfCertainSalesMilestonesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ExerciseOfAllThreeGenFleetOptionsMember" id="vstm_ExerciseOfAllThreeGenFleetOptionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FairValueAdjustmentOfNotes" id="vstm_FairValueAdjustmentOfNotes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="FairValueAdjustmentOfNotesInstrumentSpecificCreditRisk" id="vstm_FairValueAdjustmentOfNotesInstrumentSpecificCreditRisk" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="FairValueAdjustmentOfNotesNoncash" id="vstm_FairValueAdjustmentOfNotesNoncash" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="StockIssuedDuringPeriodValueStockPurchaseAgreement" id="vstm_StockIssuedDuringPeriodValueStockPurchaseAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="StockIssuedDuringPeriodSharesStockPurchaseAgreement" id="vstm_StockIssuedDuringPeriodSharesStockPurchaseAgreement" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DebtIssuanceCosts" id="vstm_DebtIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="LongTermDebtMaturityYearSix" id="vstm_LongTermDebtMaturityYearSix" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LongTermDebtMaturityYearSeven" id="vstm_LongTermDebtMaturityYearSeven" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PrivatePlacement2025Member" id="vstm_PrivatePlacement2025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RepaymentsOfLongTermDebtFinalPaymentFee" id="vstm_RepaymentsOfLongTermDebtFinalPaymentFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="RepaymentsOfLongTermDebtUnpaidInterest" id="vstm_RepaymentsOfLongTermDebtUnpaidInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="VendorFinancingAgreementAbstract" id="vstm_VendorFinancingAgreementAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DifferenceInFairValueToCarryingValueDebtInstrumentFaceAmount" id="vstm_DifferenceInFairValueToCarryingValueDebtInstrumentFaceAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AchievementOfFdaApprovalMember" id="vstm_AchievementOfFdaApprovalMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AchievementOfFdaApprovalAnniversaryMember" id="vstm_AchievementOfFdaApprovalAnniversaryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AccruedMilestonePaymentsCurrent" id="vstm_AccruedMilestonePaymentsCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PursuantToLicenseAgreementMember" id="vstm_PursuantToLicenseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PaulBunnMember" id="vstm_PaulBunnMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MichaelKauffmanMember" id="vstm_MichaelKauffmanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DanielPatersonMember" id="vstm_DanielPatersonMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfPatents" id="vstm_NumberOfPatents" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="MajorCustomerMember" id="vstm_MajorCustomerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" id="vstm_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="November2025PublicOfferingMember" id="vstm_November2025PublicOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ClassOfWarrantOrRightNumberOfWarrantsExercised" id="vstm_ClassOfWarrantOrRightNumberOfWarrantsExercised" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="SaleOfStockOptionToPurchaseMaximumNumberOfShares" id="vstm_SaleOfStockOptionToPurchaseMaximumNumberOfShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="RepaymentsOfSupplierFinanceProgramObligation" id="vstm_RepaymentsOfSupplierFinanceProgramObligation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="NumberOfTranches" id="vstm_NumberOfTranches" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="RevenuePaymentPercentage" id="vstm_RevenuePaymentPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="TotalRevenuePaymentsToTotalPurchasePriceRatio" id="vstm_TotalRevenuePaymentsToTotalPurchasePriceRatio" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ContingentMakeWholePaymentOfFundedAmount" id="vstm_ContingentMakeWholePaymentOfFundedAmount" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
</xsd:schema>
