10-K Filing
Filing Information
| Form Type | 10-K |
| Accession Number | 0001564590-19-007250 |
| Period End Date | 20181231 |
| Filing Date | 20190312 |
| Fiscal Year | 2018 |
| Fiscal Period | FY |
| XBRL Instance | fixx-20181231.xml |
Filing Contents
This filing contains the following financial statements:
Balance Sheet
65 line items
| Line Item | Tag | Value | Unit | Period |
|---|---|---|---|---|
| Cash and cash equivalents |
CashAndCashEquivalentsAtCarryingValue
|
$51.58M | USD | Point-in-time |
| Cash and cash equivalents |
CashAndCashEquivalentsAtCarryingValue
|
$38.22M | USD | Point-in-time |
| Cash and cash equivalents |
CashAndCashEquivalentsAtCarryingValue
|
$11.39M | USD | Point-in-time |
| Short-term investments |
AvailableForSaleSecuritiesDebtSecuritiesCurrent
|
$176.52M | USD | Point-in-time |
| Short-term investments |
AvailableForSaleSecuritiesDebtSecuritiesCurrent
|
$78.08M | USD | Point-in-time |
| Prepaid expenses and other current assets |
PrepaidExpenseAndOtherAssetsCurrent
|
$1.95M | USD | Point-in-time |
| Prepaid expenses and other current assets |
PrepaidExpenseAndOtherAssetsCurrent
|
$6.95M | USD | Point-in-time |
| Preferred stock, par value |
PreferredStockParOrStatedValuePerShare
|
$0.00 | USD | Point-in-time |
| Total current assets |
AssetsCurrent
|
$131.60M | USD | Point-in-time |
| Preferred stock, par value |
PreferredStockParOrStatedValuePerShare
|
$0.00 | USD | Point-in-time |
| Total current assets |
AssetsCurrent
|
$221.69M | USD | Point-in-time |
| Property and equipment, net |
PropertyPlantAndEquipmentNet
|
$35.64M | USD | Point-in-time |
| Preferred stock, shares authorized |
PreferredStockSharesAuthorized
|
10.00M | shares | Point-in-time |
| Property and equipment, net |
PropertyPlantAndEquipmentNet
|
$3.15M | USD | Point-in-time |
| Preferred stock, shares authorized |
PreferredStockSharesAuthorized
|
0.00 | shares | Point-in-time |
| Preferred stock, shares issued |
PreferredStockSharesIssued
|
0.00 | shares | Point-in-time |
| Deferred offering costs |
DeferredOfferingCosts
|
$1.00M | USD | Point-in-time |
| Preferred stock, shares issued |
PreferredStockSharesIssued
|
0.00 | shares | Point-in-time |
| Preferred stock, shares outstanding |
PreferredStockSharesOutstanding
|
0.00 | shares | Point-in-time |
| Restricted cash |
RestrictedCash
|
$1.77M | USD | Point-in-time |
| Preferred stock, shares outstanding |
PreferredStockSharesOutstanding
|
0.00 | shares | Point-in-time |
| Restricted cash |
RestrictedCash
|
$1.77M | USD | Point-in-time |
| Total assets |
Assets
|
$137.53M | USD | Point-in-time |
| Common stock, par value |
CommonStockParOrStatedValuePerShare
|
$0.00 | USD | Point-in-time |
| Common stock, par value |
CommonStockParOrStatedValuePerShare
|
$0.00 | USD | Point-in-time |
| Total assets |
Assets
|
$259.09M | USD | Point-in-time |
| Common stock, shares authorized |
CommonStockSharesAuthorized
|
170.00M | shares | Point-in-time |
| Common stock, shares authorized |
CommonStockSharesAuthorized
|
200.00M | shares | Point-in-time |
| Common stock, shares issued |
CommonStockSharesIssued
|
37.51M | shares | Point-in-time |
| Common stock, shares issued |
CommonStockSharesIssued
|
2.90M | shares | Point-in-time |
| Accounts payable |
AccountsPayableCurrent
|
$2.54M | USD | Point-in-time |
| Common stock, shares outstanding |
CommonStockSharesOutstanding
|
37.36M | shares | Point-in-time |
| Common stock, shares outstanding |
CommonStockSharesOutstanding
|
2.64M | shares | Point-in-time |
| Accounts payable |
AccountsPayableCurrent
|
$15.73M | USD | Point-in-time |
| Accrued expenses and other liabilities |
AccruedExpensesAndOtherLiabilitiesCurrent
|
$2.86M | USD | Point-in-time |
| Accrued expenses and other liabilities |
AccruedExpensesAndOtherLiabilitiesCurrent
|
$5.04M | USD | Point-in-time |
| Deferred rent |
DeferredRentCreditCurrent
|
$123.00K | USD | Point-in-time |
| Deferred rent |
DeferredRentCreditCurrent
|
$977.00K | USD | Point-in-time |
| Deferred revenue |
DeferredRevenueCurrent
|
$3.34M | USD | Point-in-time |
| Deferred revenue |
DeferredRevenueCurrent
|
$3.68M | USD | Point-in-time |
| Total current liabilities |
LiabilitiesCurrent
|
$25.43M | USD | Point-in-time |
| Total current liabilities |
LiabilitiesCurrent
|
$8.86M | USD | Point-in-time |
| Deferred rent, net of current portion |
DeferredRentCreditNoncurrent
|
$291.00K | USD | Point-in-time |
| Deferred rent, net of current portion |
DeferredRentCreditNoncurrent
|
$9.47M | USD | Point-in-time |
| Deferred revenue, net of current portion |
DeferredRevenueNoncurrent
|
$30.07M | USD | Point-in-time |
| Deferred revenue, net of current portion |
DeferredRevenueNoncurrent
|
$29.47M | USD | Point-in-time |
| Total liabilities |
Liabilities
|
$64.38M | USD | Point-in-time |
| Total liabilities |
Liabilities
|
$39.22M | USD | Point-in-time |
| Commitments and contingencies (Note 8) |
CommitmentsAndContingencies
|
- | USD | Point-in-time |
| Commitments and contingencies (Note 8) |
CommitmentsAndContingencies
|
- | USD | Point-in-time |
| Total convertible preferred stock |
TemporaryEquityCarryingAmountAttributableToParent
|
$137.76M | USD | Point-in-time |
| Preferred stock, $0.0001 par value, 10,000,000 shares authorized as of December 31, 2018 and no shares authorized as of December 31, 2017; no shares issued and outstanding at December 31, 2018 and December 31, 2017 |
PreferredStockValue
|
- | USD | Point-in-time |
| Preferred stock, $0.0001 par value, 10,000,000 shares authorized as of December 31, 2018 and no shares authorized as of December 31, 2017; no shares issued and outstanding at December 31, 2018 and December 31, 2017 |
PreferredStockValue
|
- | USD | Point-in-time |
| Common stock, $0.0001 par value; 200,000,000 and 170,000,000 shares authorized as of December 31, 2018 and 2017, respectively; 37,509,815 and 2,902,109 shares issued as of December 31, 2018 and 2017, respectively; and 37,358,526 and 2,637,011 shares outstanding as of December 31, 2018 and 2017, respectively |
CommonStockValue
|
$3.00K | USD | Point-in-time |
| Additional paid-in capital |
AdditionalPaidInCapitalCommonStock
|
$800.00K | USD | Point-in-time |
| Additional paid-in capital |
AdditionalPaidInCapitalCommonStock
|
$292.19M | USD | Point-in-time |
| Accumulated other comprehensive loss |
AccumulatedOtherComprehensiveIncomeLossNetOfTax
|
$-77.00K | USD | Point-in-time |
| Accumulated other comprehensive loss |
AccumulatedOtherComprehensiveIncomeLossNetOfTax
|
$-73.00K | USD | Point-in-time |
| Accumulated deficit |
RetainedEarningsAccumulatedDeficit
|
$-40.18M | USD | Point-in-time |
| Accumulated deficit |
RetainedEarningsAccumulatedDeficit
|
$-97.40M | USD | Point-in-time |
| Total stockholders equity (deficit) |
StockholdersEquity
|
$-39.45M | USD | Point-in-time |
| Total stockholders equity (deficit) |
StockholdersEquity
|
$194.72M | USD | Point-in-time |
| Total stockholders equity (deficit) |
StockholdersEquity
|
$-9.89M | USD | Point-in-time |
| Total liabilities, convertible preferred stock and stockholders' equity (deficit) |
LiabilitiesAndStockholdersEquity
|
$259.09M | USD | Point-in-time |
| Total liabilities, convertible preferred stock and stockholders' equity (deficit) |
LiabilitiesAndStockholdersEquity
|
$137.53M | USD | Point-in-time |
Income Statement
20 line items
| Line Item | Tag | Value | Unit | Period |
|---|---|---|---|---|
| Collaboration revenue |
Revenues
|
$3.68M | USD | Annual |
| Research and development |
ResearchAndDevelopmentExpense
|
$47.95M | USD | Annual |
| Research and development |
ResearchAndDevelopmentExpense
|
$21.38M | USD | Annual |
| General and administrative |
GeneralAndAdministrativeExpense
|
$8.28M | USD | Annual |
| General and administrative |
GeneralAndAdministrativeExpense
|
$17.30M | USD | Annual |
| Total operating expenses |
OperatingExpenses
|
$29.66M | USD | Annual |
| Total operating expenses |
OperatingExpenses
|
$65.25M | USD | Annual |
| Loss from operations |
OperatingIncomeLoss
|
$-61.56M | USD | Annual |
| Loss from operations |
OperatingIncomeLoss
|
$-29.66M | USD | Annual |
| Changes in fair value of convertible preferred stock tranche liability |
IncreaseDecreaseInFairMarketValueOfConvertiblePreferredStockTrancheLiability
|
$876.00K | USD | Annual |
| Interest income |
InvestmentIncomeNonoperating
|
$542.00K | USD | Annual |
| Interest income |
InvestmentIncomeNonoperating
|
$4.35M | USD | Annual |
| Total other income (expense) |
OtherNonoperatingIncomeExpense
|
$4.35M | USD | Annual |
| Total other income (expense) |
OtherNonoperatingIncomeExpense
|
$-334.00K | USD | Annual |
| Net loss and net loss attributable to common stockholders-basic and diluted |
NetIncomeLoss
|
$-57.22M | USD | Annual |
| Net loss and net loss attributable to common stockholders-basic and diluted |
NetIncomeLoss
|
$-29.99M | USD | Annual |
| Net loss per share attributable to common stockholders-basic and diluted |
EarningsPerShareBasicAndDiluted
|
$-2.00 | USD | Annual |
| Net loss per share attributable to common stockholders-basic and diluted |
EarningsPerShareBasicAndDiluted
|
$-12.10 | USD | Annual |
| Weighted average common shares outstanding-basic and diluted |
WeightedAverageNumberOfShareOutstandingBasicAndDiluted
|
2.48M | shares | Annual |
| Weighted average common shares outstanding-basic and diluted |
WeightedAverageNumberOfShareOutstandingBasicAndDiluted
|
28.55M | shares | Annual |
Cash Flow Statement
51 line items
| Line Item | Tag | Value | Unit | Period |
|---|---|---|---|---|
| Net loss |
ProfitLoss
|
$-57.22M | USD | Annual |
| Net loss |
ProfitLoss
|
$-29.99M | USD | Annual |
| Depreciation |
Depreciation
|
$1.29M | USD | Annual |
| Depreciation |
Depreciation
|
$684.00K | USD | Annual |
| Stock-based compensation expense |
ShareBasedCompensation
|
$277.00K | USD | Annual |
| Stock-based compensation expense |
ShareBasedCompensation
|
$2.62M | USD | Annual |
| Accretion on short-term investments |
AccretionAmortizationOfDiscountsAndPremiumsInvestments
|
$85.00K | USD | Annual |
| Accretion on short-term investments |
AccretionAmortizationOfDiscountsAndPremiumsInvestments
|
$1.59M | USD | Annual |
| Loss on disposal of property and equipment |
GainLossOnSaleOfPropertyPlantEquipment
|
$-127.00K | USD | Annual |
| Change in fair value associated with convertible preferred stock tranche liability |
IncreaseDecreaseInFairMarketValueOfConvertiblePreferredStockTrancheLiability
|
$876.00K | USD | Annual |
| Prepaid expense and other current assets |
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
|
$1.46M | USD | Annual |
| Prepaid expense and other current assets |
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
|
$5.00M | USD | Annual |
| Accounts payable |
IncreaseDecreaseInAccountsPayable
|
$1.72M | USD | Annual |
| Accounts payable |
IncreaseDecreaseInAccountsPayable
|
$4.38M | USD | Annual |
| Accrued expenses and other liabilities |
IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities
|
$3.04M | USD | Annual |
| Accrued expenses and other liabilities |
IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities
|
$864.00K | USD | Annual |
| Deferred revenue |
IncreaseDecreaseInDeferredRevenue
|
$33.41M | USD | Annual |
| Deferred revenue |
IncreaseDecreaseInDeferredRevenue
|
$-252.00K | USD | Annual |
| Deferred rent |
IncreaseDecreaseInPrepaidRent
|
$-186.00K | USD | Annual |
| Deferred rent |
IncreaseDecreaseInPrepaidRent
|
$-10.03M | USD | Annual |
| Net cash (used in) provided by operating activities |
NetCashProvidedByUsedInOperatingActivities
|
$6.48M | USD | Annual |
| Net cash (used in) provided by operating activities |
NetCashProvidedByUsedInOperatingActivities
|
$-42.56M | USD | Annual |
| Purchases of short-term investments |
PaymentsToAcquireAvailableForSaleSecuritiesDebt
|
$245.33M | USD | Annual |
| Purchases of short-term investments |
PaymentsToAcquireAvailableForSaleSecuritiesDebt
|
$78.07M | USD | Annual |
| Maturities of short-term investments |
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
|
$148.48M | USD | Annual |
| Purchases of property and equipment |
PaymentsToAcquirePropertyPlantAndEquipment
|
$24.94M | USD | Annual |
| Purchases of property and equipment |
PaymentsToAcquirePropertyPlantAndEquipment
|
$1.96M | USD | Annual |
| Changes in restricted cash |
IncreaseDecreaseInRestrictedCash
|
$1.50M | USD | Annual |
| Net cash used in investing activities |
NetCashProvidedByUsedInInvestingActivities
|
$-81.53M | USD | Annual |
| Net cash used in investing activities |
NetCashProvidedByUsedInInvestingActivities
|
$-121.79M | USD | Annual |
| Proceeds from issuance of common stock in initial public offering, net of discounts and issuance costs |
ProceedsFromIssuanceInitialPublicOffering
|
$150.84M | USD | Annual |
| Proceeds from issuance of common stock from option exercises |
ProceedsFromStockOptionsExercised
|
$87.00K | USD | Annual |
| Proceeds from issuance of restricted common stock |
ProceedsFromIssuanceOfRestrictedCommonStock
|
$64.00K | USD | Annual |
| Repurchase of unvested common stock |
RepurchaseOfUnvestedCommonStock
|
$17.00K | USD | Annual |
| Proceeds from issuance of convertible preferred stock, net of issuance costs |
ProceedsFromIssuanceOfConvertiblePreferredStock
|
$83.50M | USD | Point-in-time |
| Net cash provided by financing activities |
NetCashProvidedByUsedInFinancingActivities
|
$115.23M | USD | Annual |
| Net cash provided by financing activities |
NetCashProvidedByUsedInFinancingActivities
|
$150.99M | USD | Annual |
| Net change in cash and cash equivalents |
CashAndCashEquivalentsPeriodIncreaseDecrease
|
$-13.36M | USD | Annual |
| Net change in cash and cash equivalents |
CashAndCashEquivalentsPeriodIncreaseDecrease
|
$40.18M | USD | Annual |
| Cash and cash equivalents, beginning of period |
CashAndCashEquivalentsAtCarryingValue
|
$51.58M | USD | Point-in-time |
| Cash and cash equivalents, beginning of period |
CashAndCashEquivalentsAtCarryingValue
|
$38.22M | USD | Point-in-time |
| Cash and cash equivalents, beginning of period |
CashAndCashEquivalentsAtCarryingValue
|
$11.39M | USD | Point-in-time |
| Cash and cash equivalents, end of period |
CashAndCashEquivalentsAtCarryingValue
|
$51.58M | USD | Point-in-time |
| Cash and cash equivalents, end of period |
CashAndCashEquivalentsAtCarryingValue
|
$38.22M | USD | Point-in-time |
| Cash and cash equivalents, end of period |
CashAndCashEquivalentsAtCarryingValue
|
$11.39M | USD | Point-in-time |
| Reclassification of liability for common stock vested |
ReclassificationOfLiabilityForCommonStockVestedInNoncashTransactions
|
$225.00K | USD | Annual |
| Reclassification of liability for common stock vested |
ReclassificationOfLiabilityForCommonStockVestedInNoncashTransactions
|
$75.00K | USD | Annual |
| Property and equipment additions included in accounts payable |
CapitalExpendituresIncurredButNotYetPaid
|
$167.00K | USD | Annual |
| Property and equipment additions included in accounts payable |
CapitalExpendituresIncurredButNotYetPaid
|
$9.13M | USD | Annual |
| Deferred offering costs included in accrued expenses |
AbandonmentOfLeaseholdImprovements
|
$1.00M | USD | Annual |
| Reclassification of tranche liability upon issuance of convertible preferred stock |
FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3
|
$5.12M | USD | Annual |
Stockholders Equity
23 line items
| Line Item | Tag | Value | Unit | Period |
|---|---|---|---|---|
| Balance balance |
TemporaryEquityCarryingAmountAttributableToParent
|
$137.76M | USD | Point-in-time |
| Beginning balance |
StockholdersEquity
|
$-39.45M | USD | Point-in-time |
| Beginning balance |
StockholdersEquity
|
$194.72M | USD | Point-in-time |
| Beginning balance |
StockholdersEquity
|
$-9.89M | USD | Point-in-time |
| Conversion of convertible preferred stock into common stock upon initial public offering |
StockIssuedDuringPeriodValueConversionOfConvertibleSecurities
|
$137.76M | USD | Annual |
| Conversion of convertible preferred stock into common stock upon initial public offering, Shares |
StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
|
24.17M | shares | Point-in-time |
| Issuance of common stock in initial public offering, net of discounts and issuance costs |
StockIssuedDuringPeriodValueNewIssues
|
$150.84M | USD | Annual |
| Vesting of common stock from option exercise |
StockIssuedDuringPeriodValueVestingOfCommonStockFromOptionExercise
|
$225.00K | USD | Annual |
| Vesting of common stock from option exercise |
StockIssuedDuringPeriodValueVestingOfCommonStockFromOptionExercise
|
$75.00K | USD | Annual |
| Vesting of founders restricted common stock |
StockIssuedDuringPeriodValueVestingOfFoundersRestrictedCommonStock
|
$21.00K | USD | Annual |
| Issuance of common stock from option exercises |
StockIssuedDuringPeriodValueStockOptionsExercised
|
$87.00K | USD | Annual |
| Issuance of common stock from option exercises, Shares |
StockIssuedDuringPeriodSharesStockOptionsExercised
|
89,050.00 | shares | Annual |
| Issuance of common stock from option exercises, Shares |
StockIssuedDuringPeriodSharesStockOptionsExercised
|
0.00 | shares | Annual |
| Stock-based compensation |
AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition
|
$2.62M | USD | Annual |
| Stock-based compensation |
AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition
|
$256.00K | USD | Annual |
| Other comprehensive loss |
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
|
$-73.00K | USD | Annual |
| Other comprehensive loss |
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
|
$-4.00K | USD | Annual |
| Net loss |
NetIncomeLoss
|
$-57.22M | USD | Annual |
| Net loss |
NetIncomeLoss
|
$-29.99M | USD | Annual |
| Ending balance |
StockholdersEquity
|
$-39.45M | USD | Point-in-time |
| Ending balance |
StockholdersEquity
|
$194.72M | USD | Point-in-time |
| Ending balance |
StockholdersEquity
|
$-9.89M | USD | Point-in-time |
| Ending balance |
TemporaryEquityCarryingAmountAttributableToParent
|
$137.76M | USD | Point-in-time |
Comprehensive Income
8 line items
| Line Item | Tag | Value | Unit | Period |
|---|---|---|---|---|
| Net loss |
NetIncomeLoss
|
$-57.22M | USD | Annual |
| Net loss |
NetIncomeLoss
|
$-29.99M | USD | Annual |
| Change in unrealized gain (loss) on available for sale securities, net |
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
|
$-73.00K | USD | Annual |
| Change in unrealized gain (loss) on available for sale securities, net |
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
|
$-4.00K | USD | Annual |
| Total other comprehensive loss |
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
|
$-73.00K | USD | Annual |
| Total other comprehensive loss |
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
|
$-4.00K | USD | Annual |
| Comprehensive loss |
ComprehensiveIncomeNetOfTax
|
$-57.22M | USD | Annual |
| Comprehensive loss |
ComprehensiveIncomeNetOfTax
|
$-30.06M | USD | Annual |
Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.