Prothena Corporation plc (PRTA)

NASDAQ: PRTA · Real-Time Price · USD

9.72

+0.47 (5.08%)

At close: Mar 31, 2026, 4:00 PM EDT

9.82

+0.10 (1.03%)

Pre-market: Apr 1, 2026, 7:47 AM EDT

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
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
Net Income	-244.09	-122.31	-147.03	-116.95	66.98
Depreciation & Amortization	0.9	0.89	0.93	0.74	1.12
Stock-Based Compensation	37.64	45.96	40.91	31.32	24.66
Other Adjustments	46.15	-6.65	-8.19	-5.14	10.26
Change in Receivables	-	5.16	-5.16	-	0.02
Changes in Unearned Revenue	-9.63	-55.11	-29.33	-13.86	0.35
Changes in Other Operating Activities	5.46	-18	13.96	-4.95	-10.77
Operating Cash Flow	-163.58	-150.05	-133.91	-108.82	92.61
Capital Expenditures	-0.14	-0.3	-2.81	-0.46	-0.58
Sale of Property, Plant & Equipment	-	-	0.04	-	-
Investing Cash Flow	-0.14	-0.3	-2.77	-0.46	-0.58
Issuance of Common Stock	-0.14	1.55	45.1	241.46	190.33
Net Common Stock Issued (Repurchased)	-0.14	1.55	45.1	241.46	190.33
Financing Cash Flow	-0.14	1.55	45.1	241.46	190.33
Net Cash Flow	-163.86	-148.79	-91.58	132.17	282.36
Free Cash Flow	-163.72	-150.35	-136.72	-109.29	92.03
FCF Margin	-1690.60%	-111.24%	-149.63%	-202.74%	45.88%
Free Cash Flow Per Share	-3.04	-2.80	-2.57	-2.31	1.90
Levered Free Cash Flow	-247.51	-194.82	-164.28	-135.47	57.1
Unlevered Free Cash Flow	-264.29	-219.13	-192.28	-141.01	57.15

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

SEC Filings: 10-K · 10-Q