Prothena Corporation plc (PRTA)

Prothena Corporation Income Statement

Financials in millions USD. Fiscal year is January - December.

Fiscal Year	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021
Period Ending	Dec 31, 2025	Dec 31, 2024	Dec 31, 2023	Dec 31, 2022	Dec 31, 2021
Revenue	9.68	135.16	91.37	53.91	200.58
Revenue Growth (YoY)	-92.84%	47.92%	69.50%	-73.13%	23414.30%
Gross Profit	9.68	135.16	91.37	53.91	200.58
Selling, General & Admin	59.39	67.2	61.84	49.9	46.32
Research & Development	134.85	222.52	220.57	135.56	82.28
Other Operating Expenses	30.08	-	-	-	-
Total Operating Expenses	224.32	289.72	282.41	185.46	128.6
Operating Income	-214.64	-154.56	-191.04	-131.56	71.98
Interest Income	14.14	25.82	31.01	6.35	0.04
Other Non-Operating Income (Expense)	-0.33	-0.19	-0.46	-0.4	-0.1
Total Non-Operating Income (Expense)	13.81	25.63	30.56	5.95	-0.05
Pretax Income	-200.83	-128.93	-160.48	-125.61	71.92
Provision for Income Taxes	43.26	-6.62	-13.45	-8.66	4.95
Net Income	-244.09	-122.31	-147.03	-116.95	66.98
Net Income to Common	-244.09	-122.31	-147.03	-116.95	66.98
Shares Outstanding (Basic)	54	54	53	47	44
Shares Outstanding (Diluted)	54	54	53	47	48
Shares Change (YoY)	0.11%	1.04%	12.34%	-2.26%	21.42%
EPS (Basic)	-4.53	-2.27	-2.76	-2.47	1.51
EPS (Diluted)	-4.53	-2.27	-2.76	-2.47	1.38
Free Cash Flow	-163.72	-150.35	-136.72	-109.29	92.03
Free Cash Flow Per Share	-3.04	-2.80	-2.57	-2.31	1.90
Gross Margin	100.00%	100.00%	100.00%	100.00%	100.00%
Operating Margin	-2216.44%	-114.36%	-209.08%	-244.05%	35.88%
Profit Margin	-2520.57%	-90.49%	-160.91%	-216.95%	33.39%
FCF Margin	-1690.60%	-111.24%	-149.63%	-202.74%	45.88%
EBITDA	-213.75	-153.67	-190.11	-130.81	73.09
EBITDA Margin	-2207.20%	-113.70%	-208.06%	-242.67%	36.44%
EBIT	-214.64	-154.56	-191.04	-131.56	71.98
EBIT Margin	-2216.44%	-114.36%	-209.08%	-244.05%	35.88%
Effective Tax Rate	-21.54%	5.13%	8.38%	6.89%	6.88%

Updated Dec 31, 2025. Data Source: Fiscal.ai. Standard template. Financial Sources.

SEC Filings: 10-K · 10-Q