3.25.1 html 237 380 1 true 79 0 false 6 false false R1.htm 100000 - Document - Document and Entity Information Sheet http://sana.com/20241231/taxonomy/role/Role_DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 100010 - Statement - Consolidated Balance Sheets Sheet http://sana.com/20241231/taxonomy/role/Role_StatementConsolidatedBalanceSheets Consolidated Balance Sheets Statements 2 false false R3.htm 100020 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://sana.com/20241231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 100030 - Statement - Consolidated Statements of Operations Sheet http://sana.com/20241231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations Consolidated Statements of Operations Statements 4 false false R5.htm 100040 - Statement - Consolidated Statements of Comprehensive Loss Sheet http://sana.com/20241231/taxonomy/role/Role_StatementConsolidatedStatementsOfComprehensiveLoss Consolidated Statements of Comprehensive Loss Statements 5 false false R6.htm 100050 - Statement - Consolidated Statements of Stockholders' Equity Sheet http://sana.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquity Consolidated Statements of Stockholders' Equity Statements 6 false false R7.htm 100060 - Statement - Consolidated Statements of Stockholders' Equity (Parenthetical) Sheet http://sana.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquityParenthetical Consolidated Statements of Stockholders' Equity (Parenthetical) Statements 7 false false R8.htm 100070 - Statement - Consolidated Statements of Cash Flows Sheet http://sana.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows Consolidated Statements of Cash Flows Statements 8 false false R9.htm 100080 - Disclosure - Cybersecurity Risk Management, Strategy, and Governance Sheet http://sana.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance Cybersecurity Risk Management, Strategy, and Governance Notes 9 false false R10.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 10 false false R11.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 11 false false R12.htm 995455 - Disclosure - Organization Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureOrganization Organization Notes 12 false false R13.htm 995465 - Disclosure - Summary of Significant Accounting Policies Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 13 false false R14.htm 995475 - Disclosure - Segment reporting Sheet http://sana.com/20241231/taxonomy/role/DisclosureSegmentReporting1 Segment reporting Notes 14 false false R15.htm 995485 - Disclosure - Acquisitions Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureAcquisitions Acquisitions Notes 15 false false R16.htm 995495 - Disclosure - License and collaboration agreements Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureLicenseAndCollaborationAgreements License and collaboration agreements Notes 16 false false R17.htm 995505 - Disclosure - Restricted Cash Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureRestrictedCash Restricted Cash Notes 17 false false R18.htm 995515 - Disclosure - Fair Value Measurements Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureFairValueMeasurements Fair Value Measurements Notes 18 false false R19.htm 995525 - Disclosure - Property and Equipment, Net Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosurePropertyAndEquipmentNet Property and Equipment, Net Notes 19 false false R20.htm 995535 - Disclosure - Accrued Liabilities Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureAccruedLiabilities Accrued Liabilities Notes 20 false false R21.htm 995545 - Disclosure - Commitments and Contingencies Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingencies Commitments and Contingencies Notes 21 false false R22.htm 995555 - Disclosure - Stockholders' Equity Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquity Stockholders' Equity Notes 22 false false R23.htm 995565 - Disclosure - Stock-Based Compensation Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureStockBasedCompensation Stock-Based Compensation Notes 23 false false R24.htm 995575 - Disclosure - Income Taxes Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxes Income Taxes Notes 24 false false R25.htm 995585 - Disclosure - Net Loss Per Share Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureNetLossPerShare Net Loss Per Share Notes 25 false false R26.htm 995595 - Disclosure - Employee Benefit Plan Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureEmployeeBenefitPlan Employee Benefit Plan Notes 26 false false R27.htm 995615 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://sana.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies 27 false false R28.htm 995625 - Disclosure - Segment reporting (Tables) Sheet http://sana.com/20241231/taxonomy/role/DisclosureSegmentReportingTables Segment reporting (Tables) Tables http://sana.com/20241231/taxonomy/role/DisclosureSegmentReporting1 28 false false R29.htm 995635 - Disclosure - Acquisitions - (Tables) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureAcquisitionsTables Acquisitions - (Tables) Tables http://sana.com/20241231/taxonomy/role/Role_DisclosureAcquisitions 29 false false R30.htm 995645 - Disclosure - License and collaboration agreements (Tables) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureLicenseAndCollaborationAgreementsTables License and collaboration agreements (Tables) Tables http://sana.com/20241231/taxonomy/role/Role_DisclosureLicenseAndCollaborationAgreements 30 false false R31.htm 995655 - Disclosure - Fair Value Measurements (Tables) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureFairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://sana.com/20241231/taxonomy/role/Role_DisclosureFairValueMeasurements 31 false false R32.htm 995665 - Disclosure - Property and Equipment, Net (Tables) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosurePropertyAndEquipmentNetTables Property and Equipment, Net (Tables) Tables http://sana.com/20241231/taxonomy/role/Role_DisclosurePropertyAndEquipmentNet 32 false false R33.htm 995675 - Disclosure - Accrued Liabilities (Tables) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureAccruedLiabilitiesTables Accrued Liabilities (Tables) Tables http://sana.com/20241231/taxonomy/role/Role_DisclosureAccruedLiabilities 33 false false R34.htm 995685 - Disclosure - Commitments and Contingencies (Tables) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesTables Commitments and Contingencies (Tables) Tables http://sana.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingencies 34 false false R35.htm 995695 - Disclosure - Stock-Based Compensation (Tables) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureStockBasedCompensationTables Stock-Based Compensation (Tables) Tables http://sana.com/20241231/taxonomy/role/Role_DisclosureStockBasedCompensation 35 false false R36.htm 995705 - Disclosure - Income Taxes (Tables) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesTables Income Taxes (Tables) Tables http://sana.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxes 36 false false R37.htm 995715 - Disclosure - Net Loss Per Share (Tables) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureNetLossPerShareTables Net Loss Per Share (Tables) Tables http://sana.com/20241231/taxonomy/role/Role_DisclosureNetLossPerShare 37 false false R38.htm 995725 - Disclosure - Organization - Additional Information (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureOrganizationAdditionalInformationDetails Organization - Additional Information (Details) Details 38 false false R39.htm 995735 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails Summary of Significant Accounting Policies - Additional Information (Details) Details 39 false false R40.htm 995745 - Disclosure - Segment reporting - Additional Information (Details) Sheet http://sana.com/20241231/taxonomy/role/DisclosureSegmentReportingAdditionalInformationDetails Segment reporting - Additional Information (Details) Details 40 false false R41.htm 995755 - Disclosure - Segment reporting - Summary of Segment Loss Including Segment Expenses (Details) Sheet http://sana.com/20241231/taxonomy/role/DisclosureSegmentReportingSummaryOfSegmentLossIncludingSegmentExpensesDetails Segment reporting - Summary of Segment Loss Including Segment Expenses (Details) Details 41 false false R42.htm 995765 - Disclosure - Acquisitions - Additional Information (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureAcquisitionsAdditionalInformationDetails Acquisitions - Additional Information (Details) Details 42 false false R43.htm 995775 - Disclosure - Acquisitions - Schedule of Various Thresholds for Market Capitalizations Resulting Potential Success Payment and Additional Potential Contingent Consideration (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureAcquisitionsScheduleOfVariousThresholdsForMarketCapitalizationsResultingPotentialSuccessPaymentAndAdditionalPotentialContingentConsiderationDetails Acquisitions - Schedule of Various Thresholds for Market Capitalizations Resulting Potential Success Payment and Additional Potential Contingent Consideration (Details) Details 43 false false R44.htm 995785 - Disclosure - Acquisitions - Schedule of Various Thresholds for Market Capitalizations Resulting Potential Success Payment and Additional Potential Contingent Consideration (Parenthetical) (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureAcquisitionsScheduleOfVariousThresholdsForMarketCapitalizationsResultingPotentialSuccessPaymentAndAdditionalPotentialContingentConsiderationParentheticalDetails Acquisitions - Schedule of Various Thresholds for Market Capitalizations Resulting Potential Success Payment and Additional Potential Contingent Consideration (Parenthetical) (Details) Details 44 false false R45.htm 995795 - Disclosure - License and Collaboration Agreements - Additional Information (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureLicenseAndCollaborationAgreementsAdditionalInformationDetails License and Collaboration Agreements - Additional Information (Details) Details 45 false false R46.htm 995805 - Disclosure - License and Collaboration Agreements - Summary of Potential Success Payments (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureLicenseAndCollaborationAgreementsSummaryOfPotentialSuccessPaymentsDetails License and Collaboration Agreements - Summary of Potential Success Payments (Details) Details 46 false false R47.htm 995815 - Disclosure - Restricted Cash - Additional Information (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureRestrictedCashAdditionalInformationDetails Restricted Cash - Additional Information (Details) Details 47 false false R48.htm 995825 - Disclosure - Fair Value Measurements - Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureFairValueMeasurementsSummaryOfFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails Fair Value Measurements - Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) Details 48 false false R49.htm 995845 - Disclosure - Fair Value Measurements - Additional Information (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureFairValueMeasurementsAdditionalInformationDetails Fair Value Measurements - Additional Information (Details) Details 49 false false R50.htm 995855 - Disclosure - Fair Value Measurements - Changes in Estimated Fair Value of Level 3 Financial Liabilities (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureFairValueMeasurementsChangesInEstimatedFairValueOfLevel3FinancialLiabilitiesDetails Fair Value Measurements - Changes in Estimated Fair Value of Level 3 Financial Liabilities (Details) Details 50 false false R51.htm 995865 - Disclosure - Fair Value Measurements - Summary of Estimated Fair Value of Contingent Consideration Unobservable Inputs (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureFairValueMeasurementsSummaryOfEstimatedFairValueOfContingentConsiderationUnobservableInputsDetails Fair Value Measurements - Summary of Estimated Fair Value of Contingent Consideration Unobservable Inputs (Details) Details 51 false false R52.htm 995875 - Disclosure - Fair Value Measurements - Summary of Estimated Fair Value of Success Payment Liabilities Unobservable Inputs (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureFairValueMeasurementsSummaryOfEstimatedFairValueOfSuccessPaymentLiabilitiesUnobservableInputsDetails Fair Value Measurements - Summary of Estimated Fair Value of Success Payment Liabilities Unobservable Inputs (Details) Details 52 false false R53.htm 995885 - Disclosure - Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosurePropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) Details 53 false false R54.htm 995905 - Disclosure - Property and Equipment, Net - Additional Information (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosurePropertyAndEquipmentNetAdditionalInformationDetails Property and Equipment, Net - Additional Information (Details) Details 54 false false R55.htm 995915 - Disclosure - Accrued Liabilities - Schedule of Accrued Compensation and Accrued Expenses and Other Current Liabilities (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureAccruedLiabilitiesScheduleOfAccruedCompensationAndAccruedExpensesAndOtherCurrentLiabilitiesDetails Accrued Liabilities - Schedule of Accrued Compensation and Accrued Expenses and Other Current Liabilities (Details) Details 55 false false R56.htm 995925 - Disclosure - Commitments and Contingencies - Additional Information (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails Commitments and Contingencies - Additional Information (Details) Details 56 false false R57.htm 995935 - Disclosure - Commitments and Contingencies - Schedule of Additional Information Related to Operating Leases (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesScheduleOfAdditionalInformationRelatedToOperatingLeasesDetails Commitments and Contingencies - Schedule of Additional Information Related to Operating Leases (Details) Details 57 false false R58.htm 995945 - Disclosure - Commitments and Contingencies - Summary of Lease Costs (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfLeaseCostsDetails Commitments and Contingencies - Summary of Lease Costs (Details) Details 58 false false R59.htm 995955 - Disclosure - Commitments and Contingencies - Reconciliation of Undiscounted Operating Lease Cash Flows by Fiscal Year to Present Value of Operating Lease Liabilities (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesReconciliationOfUndiscountedOperatingLeaseCashFlowsByFiscalYearToPresentValueOfOperatingLeaseLiabilitiesDetails Commitments and Contingencies - Reconciliation of Undiscounted Operating Lease Cash Flows by Fiscal Year to Present Value of Operating Lease Liabilities (Details) Details 59 false false R60.htm 995965 - Disclosure - Stockholders' Equity - Additional Information (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails Stockholders' Equity - Additional Information (Details) Details 60 false false R61.htm 995975 - Disclosure - Stock-Based Compensation - Additional Information (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails Stock-Based Compensation - Additional Information (Details) Details 61 false false R62.htm 995985 - Disclosure - Stock-Based Compensation - Schedule of Stock Based Compensation Expense Recognized (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureStockBasedCompensationScheduleOfStockBasedCompensationExpenseRecognizedDetails Stock-Based Compensation - Schedule of Stock Based Compensation Expense Recognized (Details) Details 62 false false R63.htm 995995 - Disclosure - Stock-Based Compensation - Schedule of Unrecognized Stock-Based Compensation Costs Related to Unvested Awards and Weighted-Average Period Over Which Costs are Expected to be Recognized (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureStockBasedCompensationScheduleOfUnrecognizedStockBasedCompensationCostsRelatedToUnvestedAwardsAndWeightedAveragePeriodOverWhichCostsAreExpectedToBeRecognizedDetails Stock-Based Compensation - Schedule of Unrecognized Stock-Based Compensation Costs Related to Unvested Awards and Weighted-Average Period Over Which Costs are Expected to be Recognized (Details) Details 63 false false R64.htm 996005 - Disclosure - Stock-Based Compensation - Summary of Stock Option Activity (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockOptionActivityDetails Stock-Based Compensation - Summary of Stock Option Activity (Details) Details 64 false false R65.htm 996015 - Disclosure - Stock-Based Compensation - Schedule of Assumptions Used in Black-Scholes Option-Pricing Model for Estimating Fair Value of Stock Options Granted (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureStockBasedCompensationScheduleOfAssumptionsUsedInBlackScholesOptionPricingModelForEstimatingFairValueOfStockOptionsGrantedDetails Stock-Based Compensation - Schedule of Assumptions Used in Black-Scholes Option-Pricing Model for Estimating Fair Value of Stock Options Granted (Details) Details 65 false false R66.htm 996025 - Disclosure - Stock-Based Compensation - Summary of Additional Information Related to Stock Option Activity (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfAdditionalInformationRelatedToStockOptionActivityDetails Stock-Based Compensation - Summary of Additional Information Related to Stock Option Activity (Details) Details 66 false false R67.htm 996035 - Disclosure - Stock-Based Compensation - Summary of RSU Activity (Details) Sheet http://sana.com/20241231/taxonomy/role/DisclosureStockbasedCompensationSummaryOfRsuActivityDetails Stock-Based Compensation - Summary of RSU Activity (Details) Details 67 false false R68.htm 996045 - Disclosure - Income Taxes - Additional Information (Detail) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail Income Taxes - Additional Information (Detail) Details 68 false false R69.htm 996055 - Disclosure - Income Taxes - Reconciliation of Income Taxes Computed Using U.S Federal Statutory Tax Rate (Detail) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfIncomeTaxesComputedUsingUSFederalStatutoryTaxRateDetail Income Taxes - Reconciliation of Income Taxes Computed Using U.S Federal Statutory Tax Rate (Detail) Details 69 false false R70.htm 996065 - Disclosure - Income Taxes - Components of Net Deferred Tax Assets (Detail) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureIncomeTaxesComponentsOfNetDeferredTaxAssetsDetail Income Taxes - Components of Net Deferred Tax Assets (Detail) Details 70 false false R71.htm 996075 - Disclosure - Net Loss Per Share - Anti-dilutive Securities Excluded from Computation of Diluted Net Loss Per Share (Details) Sheet http://sana.com/20241231/taxonomy/role/DisclosureNetLossPerShareAntidilutiveSecuritiesExcludedFromComputationOfDilutedNetLossPerShareDetails Net Loss Per Share - Anti-dilutive Securities Excluded from Computation of Diluted Net Loss Per Share (Details) Details 71 false false R72.htm 996085 - Disclosure - Employee Benefit Plan - Additional Information (Details) Sheet http://sana.com/20241231/taxonomy/role/Role_DisclosureEmployeeBenefitPlanAdditionalInformationDetails Employee Benefit Plan - Additional Information (Details) Details 72 false false All Reports Book All Reports sana-20241231.htm sana-20241231.xsd img112705803_0.jpg img112705803_1.jpg img112705803_10.jpg img112705803_11.jpg img112705803_12.jpg img112705803_13.jpg img112705803_14.jpg img112705803_15.jpg img112705803_16.jpg img112705803_17.jpg img112705803_18.jpg img112705803_19.jpg img112705803_2.jpg img112705803_20.jpg img112705803_21.jpg img112705803_22.jpg img112705803_23.jpg img112705803_24.jpg img112705803_25.jpg img112705803_26.jpg img112705803_27.jpg img112705803_28.jpg img112705803_29.jpg img112705803_3.jpg img112705803_30.jpg img112705803_4.jpg img112705803_5.jpg img112705803_6.jpg img112705803_7.jpg img112705803_8.jpg img112705803_9.jpg http://fasb.org/us-gaap/2024 http://xbrl.sec.gov/cyd/2024 http://xbrl.sec.gov/dei/2024 http://xbrl.sec.gov/ecd/2024 false false