Prothena Corporation plc (PRTA)

NASDAQ: PRTA · Real-Time Price · USD

8.67

+0.03 (0.35%)

At close: Feb 27, 2026, 4:00 PM EST

9.15

+0.48 (5.54%)

After-hours: Feb 27, 2026, 7:54 PM EST

Prothena Corporation Cash Flow Statement

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

Millions USD. Fiscal year is Jan - Dec.

Fiscal Year	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021	2020 - 2016
Period Ending	Dec '25 Dec 31, 2025	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '21 Dec 31, 2021	2020 - 2016
Net Income	-	-122.31	-147.03	-116.95	66.98	Upgrade
Depreciation & Amortization	-	0.89	0.93	0.74	1.12	Upgrade
Loss (Gain) From Sale of Assets	-	-	0.02	0	-	Upgrade
Stock-Based Compensation	-	45.96	40.91	31.32	24.66	Upgrade
Other Operating Activities	-	-6.65	-8.21	-5.14	10.26	Upgrade
Change in Accounts Receivable	-	5.16	-5.16	-	0.02	Upgrade
Change in Accounts Payable	-	-18.3	22.86	11.87	-0.49	Upgrade
Change in Unearned Revenue	-	-55.11	-29.33	-13.86	0.35	Upgrade
Change in Other Net Operating Assets	-	0.3	-8.9	-16.81	-10.28	Upgrade
Operating Cash Flow	-	-150.05	-133.91	-108.82	92.61	Upgrade
Capital Expenditures	-	-0.3	-2.81	-0.46	-0.58	Upgrade
Sale of Property, Plant & Equipment	-	-	0.04	-	-	Upgrade
Investing Cash Flow	-	-0.3	-2.77	-0.46	-0.58	Upgrade
Issuance of Common Stock	-	1.91	45.1	241.46	190.33	Upgrade
Other Financing Activities	-	-0.35	-	-	-	Upgrade
Financing Cash Flow	-	1.55	45.1	241.46	190.33	Upgrade
Net Cash Flow	-	-148.79	-91.58	132.17	282.36	Upgrade
Free Cash Flow	-	-150.35	-136.72	-109.29	92.03	Upgrade
Free Cash Flow Margin	-	-111.24%	-149.63%	-202.74%	45.88%	Upgrade
Free Cash Flow Per Share	-	-2.80	-2.57	-2.31	1.90	Upgrade
Cash Income Tax Paid	-	3.17	1.55	2.66	0.58	Upgrade
Levered Free Cash Flow	-	-53.5	-80.02	-37.44	75.55	Upgrade
Unlevered Free Cash Flow	-	-53.5	-80.02	-37.44	75.55	Upgrade
Change in Working Capital	-	-67.94	-20.53	-18.8	-10.4	Upgrade

Source: S&P Capital IQ. Standard template. Financial Sources.