Prothena Corporation plc (PRTA)
NASDAQ: PRTA · Real-Time Price · USD
9.44
-0.01 (-0.16%)
Aug 24, 2026, 1:45 PM EDT - Market open

Prothena Corporation Income Statement

Millions USD. Fiscal year is Jan - Dec.
Fiscal Year
TTMFY 2025FY 2024FY 2023FY 2022FY 2021
Period Ending
Jun '26 Dec '25 Dec '24 Dec '23 Dec '22 Dec '21
54.539.68135.1691.3753.91200.58
Revenue Growth
427.32%-92.84%47.92%69.50%-73.13%23414.30%
Cost of Revenue
64.95134.85222.52220.57135.5682.28
Gross Profit
-10.42-125.17-87.36-129.2-81.66118.29
Selling, General & Admin
49.4559.3967.261.8449.946.32
Operating Expenses
49.4559.3967.261.8449.946.32
Operating Income
-59.87-184.56-154.56-191.04-131.5671.98
Interest & Investment Income
10.9714.1425.8231.016.350.04
Currency Exchange Gain (Loss)
0.19-0.33-0.19-0.46-0.4-0.1
EBT Excluding Unusual Items
-48.71-170.75-128.93-160.48-125.6171.92
Merger & Restructuring Charges
4.36-30.08----
Pretax Income
-44.35-200.83-128.93-160.48-125.6171.92
Income Tax Expense
-0.3643.26-6.62-13.45-8.664.95
Net Income
-43.99-244.09-122.31-147.03-116.9566.98
Net Income to Common
-43.99-244.09-122.31-147.03-116.9566.98
Net Income Growth
------
Shares Outstanding (Basic)
535454534744
Shares Outstanding (Diluted)
535454534748
Shares Change
-0.82%0.11%1.04%12.34%-2.26%21.42%
EPS (Basic)
-0.82-4.53-2.27-2.76-2.471.51
EPS (Diluted)
-0.83-4.53-2.27-2.76-2.471.38
EPS Growth
------

Additional Metrics

Fiscal Year
TTMFY 2025FY 2024FY 2023FY 2022FY 2021
Period Ending
Jun '26 Dec '25 Dec '24 Dec '23 Dec '22 Dec '21
Free Cash Flow
-60.71-163.72-150.35-136.72-109.2992.03
Free Cash Flow Per Share
-1.14-3.04-2.80-2.57-2.311.90
Gross Margin
-19.11%--64.64%-141.40%-151.48%58.98%
Operating Margin
-109.79%-1905.82%-114.36%-209.08%-244.05%35.88%
Profit Margin
-80.67%-2520.57%-90.50%-160.92%-216.95%33.39%
Free Cash Flow Margin
-111.34%-1690.60%-111.24%-149.63%-202.74%45.88%
EBITDA
-59.04-183.67-153.67-190.11-130.8173.09
EBITDA Margin
-108.27%--113.70%-208.06%-242.67%36.44%
D&A For EBITDA
0.830.90.890.930.741.12
EBIT
-59.87-184.56-154.56-191.04-131.5671.98
EBIT Margin
-109.79%--114.36%-209.08%-244.05%35.88%
Effective Tax Rate
-----6.88%
Revenue as Reported
54.539.68135.1691.3753.91200.58
SEC Filings: 10-K · 10-Q