$PRTA
PROTHENA CORP PUBLIC LTD CO Stock $prta

$prta Overview Financials Valuation SEC Filings Company Website

2018 Q1 Form 10-K Financial Statement

#000155905318000008 Filed on February 26, 2018

Income Statement

Concept	2018 Q1	2016 Q4	2016 Q3
Revenue	$227.0K	$171.0K	$286.0K
YoY Change	-12.36%	-44.3%	-33.33%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin	$14.23M	$9.600M	$16.14M
YoY Change	31.39%	44.8%	173.1%
% of Gross Profit
Research & Development	$34.71M	$39.84M	$26.84M
YoY Change	35.05%	122.69%	56.17%
% of Gross Profit
Depreciation & Amortization	$797.0K	$920.0K	$800.0K
YoY Change	5.01%	318.18%	300.0%
% of Gross Profit
Operating Expenses	$48.94M	$49.45M	$42.97M
YoY Change	33.96%	101.67%	86.12%
Operating Profit	-$48.71M		-$42.69M
YoY Change	34.29%		88.38%
Interest Expense	$200.0K	$150.0K	$140.0K
YoY Change	-155.56%	87.5%	180.0%
% of Operating Profit
Other Income/Expense, Net	-$72.00K	$580.0K	-$130.0K
YoY Change	-90.7%	-3000.0%	68.83%
Pretax Income	-$48.78M	-$48.55M	-$42.82M
YoY Change	31.68%	100.95%	88.31%
Income Tax	-$37.00K	$350.0K	$421.0K
% Of Pretax Income
Net Earnings	-$48.74M	-$48.90M	-$43.24M
YoY Change	37.75%	102.44%	88.19%
Net Earnings / Revenue	-21472.69%	-28598.25%	-15118.53%
Basic Earnings Per Share	-$1.26	-$1.41	-$1.26
Diluted Earnings Per Share	-$1.26	-$1.41	-$1.26
COMMON SHARES
Basic Shares Outstanding	38.54M shares	34.49M shares	34.40M shares
Diluted Shares Outstanding

Balance Sheet

Concept	2018 Q1	2016 Q4	2016 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$429.0M	$386.9M	$408.6M
YoY Change	-15.32%	4.4%	5.36%
Cash & Equivalents	$429.0M	$386.9M	$408.6M
Short-Term Investments
Other Short-Term Assets	$8.100M	$4.300M	$6.700M
YoY Change	9.46%	-31.75%	34.0%
Inventory
Prepaid Expenses
Receivables	$12.00K	$178.0K	$409.0K
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$537.2M	$391.4M	$415.6M
YoY Change	4.46%	3.7%	5.61%
LONG-TERM ASSETS
Property, Plant & Equipment	$54.28M	$56.45M	$51.74M
YoY Change	-3.22%	1361.73%	1665.8%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$2.840M	$2.193M	$2.162M
YoY Change	16.87%	95.63%	30785.71%
Total Long-Term Assets	$69.49M	$68.61M	$63.94M
YoY Change	2.58%	775.96%	1094.32%
TOTAL ASSETS
Total Short-Term Assets	$537.2M	$391.4M	$415.6M
Total Long-Term Assets	$69.49M	$68.61M	$63.94M
Total Assets	$606.6M	$460.0M	$479.6M
YoY Change	4.24%	19.4%	20.22%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$11.59M	$13.07M	$10.54M
YoY Change	85.32%	189.2%	159.73%
Accrued Expenses	$20.20M	$25.70M	$22.60M
YoY Change	-20.78%	54.82%	73.85%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$1.100M
YoY Change
Total Short-Term Liabilities	$35.56M	$41.08M	$36.91M
YoY Change	5.57%	84.89%	98.88%
LONG-TERM LIABILITIES
Long-Term Debt	$51.10M	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$110.5M	$0.00	$0.00
YoY Change	112.5%	-100.0%	-100.0%
Total Long-Term Liabilities	$161.6M	$53.50M	$41.57M
YoY Change	210.61%	2175.54%	1618.64%
TOTAL LIABILITIES
Total Short-Term Liabilities	$35.56M	$41.08M	$36.91M
Total Long-Term Liabilities	$161.6M	$53.50M	$41.57M
Total Liabilities	$197.1M	$94.57M	$78.48M
YoY Change	130.03%	284.96%	274.13%
SHAREHOLDERS EQUITY
Retained Earnings	-$491.1M	-$289.2M	-$240.3M
YoY Change	51.34%	124.02%	128.98%
Common Stock	$398.0K	$348.0K	$344.0K
YoY Change	4.74%	9.78%	9.21%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$409.5M	$365.4M	$401.1M
YoY Change
Total Liabilities & Shareholders Equity	$606.6M	$460.0M	$479.6M
YoY Change	4.24%	19.4%	20.22%

Cashflow Statement

Concept	2018 Q1	2016 Q4	2016 Q3
OPERATING ACTIVITIES
Net Income	-$48.74M	-$48.90M	-$43.24M
YoY Change	37.75%	102.44%	88.19%
Depreciation, Depletion And Amortization	$797.0K	$920.0K	$800.0K
YoY Change	5.01%	318.18%	300.0%
Cash From Operating Activities	-$31.58M	-$33.81M	-$29.76M
YoY Change	-16.54%	71.71%	75.99%
INVESTING ACTIVITIES
Capital Expenditures	-$180.0K	-$7.140M	-$8.560M
YoY Change	-92.8%	628.57%	2493.94%
Acquisitions
YoY Change
Other Investing Activities	$0.00	$0.00	$4.060M
YoY Change	-100.0%
Cash From Investing Activities	-$181.0K	-$7.140M	-$4.500M
YoY Change	-92.46%	628.57%	1263.64%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$0.00
YoY Change	-100.0%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$43.18M	19.30M	3.950M
YoY Change	-72.99%	459.42%	49.06%
NET CHANGE
Cash From Operating Activities	-$31.58M	-33.81M	-29.76M
Cash From Investing Activities	-$181.0K	-7.140M	-4.500M
Cash From Financing Activities	$43.18M	19.30M	3.950M
Net Change In Cash	$11.42M	-21.65M	-30.31M
YoY Change	-90.45%	25.73%	107.75%
FREE CASH FLOW
Cash From Operating Activities	-$31.58M	-$33.81M	-$29.76M
Capital Expenditures	-$180.0K	-$7.140M	-$8.560M
Free Cash Flow	-$31.40M	-$26.67M	-$21.20M
YoY Change	-11.14%	42.54%	27.86%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2017	dei	Amendment Flag AmendmentFlag	false
CY2017	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2017	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2017	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2017
CY2017	dei	Document Period End Date DocumentPeriodEndDate	2017-12-31
CY2017	dei	Document Type DocumentType	10-K
CY2017	dei	Entity Central Index Key EntityCentralIndexKey	0001559053
CY2018Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	38540539	shares
CY2017	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2017	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2017Q2	dei	Entity Public Float EntityPublicFloat	2100000000	USD
CY2017	dei	Entity Registrant Name EntityRegistrantName	Prothena Corp plc
CY2017	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2017	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2017	dei	Trading Symbol TradingSymbol	PRTA
CY2015	prta	Accrued Offering Costs AccruedOfferingCosts	18000	USD
CY2016	prta	Accrued Offering Costs AccruedOfferingCosts	0	USD
CY2017	prta	Accrued Offering Costs AccruedOfferingCosts	0	USD
CY2016Q4	prta	Accrued Research And Development Current AccruedResearchAndDevelopmentCurrent	19073000	USD
CY2017Q4	prta	Accrued Research And Development Current AccruedResearchAndDevelopmentCurrent	13509000	USD
CY2015	prta	Buildto Suit Leases Increase Decreaseto Obligation BuildtoSuitLeasesIncreaseDecreasetoObligation	0	USD
CY2016	prta	Buildto Suit Leases Increase Decreaseto Obligation BuildtoSuitLeasesIncreaseDecreasetoObligation	169000	USD
CY2017	prta	Buildto Suit Leases Increase Decreaseto Obligation BuildtoSuitLeasesIncreaseDecreasetoObligation	2760000	USD
CY2016Q4	prta	Buildto Suit Property Gross BuildtoSuitPropertyGross	51359000	USD
CY2017Q4	prta	Buildto Suit Property Gross BuildtoSuitPropertyGross	51760000	USD
CY2016Q4	prta	Buildtosuit Lease Obligation Current BuildtosuitLeaseObligationCurrent	0	USD
CY2017Q4	prta	Buildtosuit Lease Obligation Current BuildtosuitLeaseObligationCurrent	733000	USD
CY2017	prta	Collaboration Revenue CollaborationRevenue	27519000	USD
CY2016Q4	prta	Deferred Shares Par Value DeferredSharesParValue	22
CY2017Q4	prta	Buildtosuit Lease Obligation Currentand Noncurrent BuildtosuitLeaseObligationCurrentandNoncurrent	52200000	USD
CY2016Q4	prta	Buildtosuitleaseobligationnoncurrent Buildtosuitleaseobligationnoncurrent	51320000	USD
CY2017Q4	prta	Buildtosuitleaseobligationnoncurrent Buildtosuitleaseobligationnoncurrent	51515000	USD
CY2017Q4	prta	Builtto Suit Leases At Cost BuilttoSuitLeasesAtCost	51800000	USD
CY2015	prta	Capitalized Interestunder Buildto Suit Transaction CapitalizedInterestunderBuildtoSuitTransaction	0	USD
CY2016	prta	Capitalized Interestunder Buildto Suit Transaction CapitalizedInterestunderBuildtoSuitTransaction	1179000	USD
CY2017	prta	Capitalized Interestunder Buildto Suit Transaction CapitalizedInterestunderBuildtoSuitTransaction	0	USD
CY2015	prta	Collaboration Revenue CollaborationRevenue	1607000	USD
CY2016	prta	Collaboration Revenue CollaborationRevenue	1055000	USD
CY2017Q4	prta	Deferred Shares Par Value DeferredSharesParValue	22
CY2017Q4	prta	Deferred Shares Par Value DeferredSharesParValue	22
CY2016Q4	prta	Deferred Shares Share Issued DeferredSharesShareIssued	0	shares
CY2017Q4	prta	Deferred Shares Share Issued DeferredSharesShareIssued	0	shares
CY2016Q4	prta	Deferred Shares Share Outstanding DeferredSharesShareOutstanding	0	shares
CY2017Q4	prta	Deferred Shares Share Outstanding DeferredSharesShareOutstanding	0	shares
CY2017Q4	prta	Deferred Shares Share Outstanding DeferredSharesShareOutstanding	0.0	shares
CY2016Q4	prta	Deferred Shares Shares Authorized DeferredSharesSharesAuthorized	10000	shares
CY2017Q4	prta	Deferred Shares Shares Authorized DeferredSharesSharesAuthorized	10000	shares
CY2017Q4	prta	Deferred Shares Shares Authorized DeferredSharesSharesAuthorized	10000	shares
CY2016Q4	prta	Deferred Shares Value DeferredSharesValue	0	USD
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CY2015	prta	Noncash Investingand Financing Items Stock Option Shortfall NoncashInvestingandFinancingItemsStockOptionShortfall	0	USD
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CY2017	prta	Noncash Investingand Financing Items Stock Option Shortfall NoncashInvestingandFinancingItemsStockOptionShortfall	0	USD
CY2015	prta	Noncashamountcapitalizedunderbuildtosuittransaction Noncashamountcapitalizedunderbuildtosuittransaction	0	USD
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CY2017	prta	Numberof Votes NumberofVotes	1	vote
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CY2017Q4	prta	Purchaseand Contractual Obligation Due Next Fiscal Year PurchaseandContractualObligationDueNextFiscalYear	24955000	USD
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CY2017Q4	prta	Purchaseand Contractual Obligation Duein Fourth Year PurchaseandContractualObligationDueinFourthYear	100000	USD
CY2017Q4	prta	Purchaseand Contractual Obligation Duein Second Year PurchaseandContractualObligationDueinSecondYear	16421000	USD
CY2017Q4	prta	Purchaseand Contractual Obligation Duein Third Year PurchaseandContractualObligationDueinThirdYear	100000	USD
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CY2016Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	654266000	USD
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CY2015	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10414000	USD
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CY2015	us-gaap	Depreciation Depreciation	800000	USD
CY2016	us-gaap	Depreciation Depreciation	2400000	USD
CY2017	us-gaap	Depreciation Depreciation	3100000	USD
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CY2016	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-4.66
CY2015	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	806000	USD
CY2016	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2427000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3067000	USD
CY2016Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.81
CY2016Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.18
CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.26
CY2016Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.41
CY2017Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.99
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.46
CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.37
CY2017Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.24
CY2017	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-4.07
CY2016Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.81
CY2016Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.18
CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.26
CY2016Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.41
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.99
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.46
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.37
CY2017Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.24
CY2016Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	6629000	USD
CY2017Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	7342000	USD
CY2017Q1	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	2400000	USD
CY2015	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	0	USD
CY2016	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	0	USD
CY2017	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	2096000	USD
CY2015	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-20000	USD
CY2016	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	0	USD
CY2017	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	5000	USD
CY2015	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	23105000	USD
CY2016	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	41056000	USD
CY2017	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	48226000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-79911000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-158964000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-157603000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-79911000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-158964000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-157603000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	701000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1144000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-4366000	USD
CY2017	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	-400000	USD
CY2015	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	12594000	USD
CY2016	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	25200000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	28967000	USD
CY2015	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	446000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-37000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-212000	USD
CY2015	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	2712000	USD
CY2016	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	5384000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	5857000	USD
CY2015	us-gaap	Income Taxes Paid IncomeTaxesPaid	442000	USD
CY2016	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	813000	USD
CY2017	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	678000	USD
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-9989000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-19870000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-19700000	USD
CY2015	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	214000	USD
CY2016	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	422000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-8242000	USD
CY2015	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	148000	USD
CY2016	us-gaap	Income Taxes Paid IncomeTaxesPaid	575000	USD
CY2017	us-gaap	Income Taxes Paid IncomeTaxesPaid	294000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	11161000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	15193000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	147000	USD
CY2015	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-1220000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-331000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	62000	USD
CY2015	us-gaap	Increase Decrease In Accounts Receivable Related Parties IncreaseDecreaseInAccountsReceivableRelatedParties	-30000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable Related Parties IncreaseDecreaseInAccountsReceivableRelatedParties	0	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable Related Parties IncreaseDecreaseInAccountsReceivableRelatedParties	0	USD
CY2015	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	937000	USD
CY2016	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-3363000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	7249000	USD
CY2015	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	196000	USD
CY2016	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	556000	USD
CY2017	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-142000	USD
CY2016Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	2769000	USD
CY2017Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	579000	USD
CY2016Q4	us-gaap	Liabilities Liabilities	94573000	USD
CY2017Q4	us-gaap	Liabilities Liabilities	89140000	USD
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	459976000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	496329000	USD
CY2016Q4	us-gaap	Liabilities Current LiabilitiesCurrent	41075000	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	37371000	USD
CY2016Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	53498000	USD
CY2017Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	51769000	USD
CY2016Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	9629000	USD
CY2017Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	9078000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	136989000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	153287000	USD
CY2016	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	15000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	661000	USD
CY2015	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	1900000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	165401000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1382000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-16644000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3521000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-58600000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-116250000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-131183000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	-80612000	USD
CY2016Q1	us-gaap	Net Income Loss NetIncomeLoss	-27521000	USD
CY2016Q2	us-gaap	Net Income Loss NetIncomeLoss	-40445000	USD
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	-43239000	USD
CY2016Q4	us-gaap	Net Income Loss NetIncomeLoss	-48903000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	-160108000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	-35384000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	-17701000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	-52394000	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	-47758000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	-153237000	USD
CY2015	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	185000	USD
CY2016	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	575000	USD
CY2017	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	175000	USD
CY2015	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	26000	USD
CY2016	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	571000	USD
CY2017	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-2349000	USD
CY2015	us-gaap	Operating Expenses OperatingExpenses	81544000	USD
CY2016Q1	us-gaap	Operating Expenses OperatingExpenses	27675000	USD
CY2016Q2	us-gaap	Operating Expenses OperatingExpenses	40493000	USD
CY2016Q3	us-gaap	Operating Expenses OperatingExpenses	42974000	USD
CY2016Q4	us-gaap	Operating Expenses OperatingExpenses	49448000	USD
CY2016	us-gaap	Operating Expenses OperatingExpenses	160590000	USD
CY2017Q1	us-gaap	Operating Expenses OperatingExpenses	36530000	USD
CY2017Q2	us-gaap	Operating Expenses OperatingExpenses	44944000	USD
CY2017Q3	us-gaap	Operating Expenses OperatingExpenses	53753000	USD
CY2017Q4	us-gaap	Operating Expenses OperatingExpenses	47546000	USD
CY2017	us-gaap	Operating Expenses OperatingExpenses	182773000	USD
CY2015	us-gaap	Operating Income Loss OperatingIncomeLoss	-79937000	USD
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	-159535000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	-155254000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	1983000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	330000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	248000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	248000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	248000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	248000	USD
CY2016	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	2200000	USD
CY2017	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	900000	USD
CY2016Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2193000	USD
CY2017Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2843000	USD
CY2016Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	8555000	USD
CY2017Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	9185000	USD
CY2015	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-170000	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-2207000	USD
CY2016Q4	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	1128000	USD
CY2017Q4	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	1356000	USD
CY2015	us-gaap	Payments For Proceeds From Tenant Allowance PaymentsForProceedsFromTenantAllowance	0	USD
CY2016	us-gaap	Payments For Proceeds From Tenant Allowance PaymentsForProceedsFromTenantAllowance	-14163000	USD
CY2017	us-gaap	Payments For Proceeds From Tenant Allowance PaymentsForProceedsFromTenantAllowance	0	USD
CY2015	us-gaap	Payments To Acquire Machinery And Equipment PaymentsToAcquireMachineryAndEquipment	1382000	USD
CY2016	us-gaap	Payments To Acquire Machinery And Equipment PaymentsToAcquireMachineryAndEquipment	16644000	USD
CY2017	us-gaap	Payments To Acquire Machinery And Equipment PaymentsToAcquireMachineryAndEquipment	3626000	USD
CY2016Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	4261000	USD
CY2017Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	8467000	USD
CY2015	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	131341000	USD
CY2016	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	128777000	USD
CY2017	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	150323000	USD
CY2015	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
CY2016	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	105000	USD
CY2015	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	5648000	USD
CY2016	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	10516000	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	17838000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	64120000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	62733000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	56452000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	54990000	USD
CY2017Q4	us-gaap	Purchase Obligation PurchaseObligation	40876000	USD
CY2017Q4	us-gaap	Purchase Obligation Due After Fifth Year PurchaseObligationDueAfterFifthYear	0	USD
CY2017Q4	us-gaap	Purchase Obligation Due In Fifth Year PurchaseObligationDueInFifthYear	0	USD
CY2017Q4	us-gaap	Purchase Obligation Due In Fourth Year PurchaseObligationDueInFourthYear	0	USD
CY2017Q4	us-gaap	Purchase Obligation Due In Next Twelve Months PurchaseObligationDueInNextTwelveMonths	24585000	USD
CY2017Q4	us-gaap	Purchase Obligation Due In Second Year PurchaseObligationDueInSecondYear	16291000	USD
CY2017Q4	us-gaap	Purchase Obligation Due In Third Year PurchaseObligationDueInThirdYear	0	USD
CY2015	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	58439000	USD
CY2016	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	119534000	USD
CY2017	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	134547000	USD
CY2016Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	4056000	USD
CY2017Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	4056000	USD
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-289211000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-442350000	USD
CY2015	us-gaap	Revenues Revenues	1607000	USD
CY2016Q1	us-gaap	Revenues Revenues	265000	USD
CY2016Q2	us-gaap	Revenues Revenues	333000	USD
CY2016Q3	us-gaap	Revenues Revenues	286000	USD
CY2016Q4	us-gaap	Revenues Revenues	171000	USD
CY2016	us-gaap	Revenues Revenues	1055000	USD
CY2017Q1	us-gaap	Revenues Revenues	259000	USD
CY2017Q2	us-gaap	Revenues Revenues	26812000	USD
CY2017Q3	us-gaap	Revenues Revenues	219000	USD
CY2017Q4	us-gaap	Revenues Revenues	229000	USD
CY2017	us-gaap	Revenues Revenues	27519000	USD
CY2015	us-gaap	Share Based Compensation ShareBasedCompensation	10414000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	24929000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	26764000	USD
CY2015	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	131481000	USD
CY2016	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	128636000	USD
CY2017	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	150323000	USD
CY2015	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	5642000	USD
CY2016	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	10516000	USD
CY2017	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	17838000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	365403000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	407189000	USD
CY2014Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	289889000	USD
CY2015Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	360669000	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	365403000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	407189000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1061000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2406000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4268000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	1000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1346000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1464000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	398000	USD
CY2017	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	27600000	USD
CY2015	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	30326000	shares
CY2016	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	34351000	shares
CY2017	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	37654000	shares
CY2017	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:12px;text-indent:12px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Use of Estimates</font></div><div style="line-height:120%;padding-top:12px;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of the Consolidated Financial Statements in conformity with GAAP requires management to make judgments, estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses, and related disclosures. On an ongoing basis, management evaluates its estimates, including critical accounting policies or estimates related to revenue recognition, share-based compensation and research and development expenses. The Company bases its estimates on historical experience and on various other market specific and other relevant assumptions that management believes to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Because of the uncertainties inherent in such estimates, actual results may differ materially from these estimates.</font></div></div>

Files In Submission

Name	View Source	Status
0001559053-18-000008-index-headers.html	Edgar Link	pending
0001559053-18-000008-index.html	Edgar Link	pending
0001559053-18-000008.txt	Edgar Link	pending
0001559053-18-000008-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
pipeline17.gif	Edgar Link	pending
prta-20171231.xml	Edgar Link	completed
prta-20171231.xsd	Edgar Link	pending
prta-20171231_cal.xml	Edgar Link	unprocessable
prta-20171231_def.xml	Edgar Link	unprocessable
prta-20171231_lab.xml	Edgar Link	unprocessable
prta-20171231_pre.xml	Edgar Link	unprocessable
prta201710-k.htm	Edgar Link	pending
prta201710-kex211listofsub.htm	Edgar Link	pending
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$PRTA
PROTHENA CORP PUBLIC LTD CO Stock $prta

2018 Q1 Form 10-K Financial Statement

#000155905318000008 Filed on February 26, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$PRTA PROTHENA CORP PUBLIC LTD CO Stock $prta

2018 Q1 Form 10-K Financial Statement

#000155905318000008 Filed on February 26, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$PRTA
PROTHENA CORP PUBLIC LTD CO Stock $prta