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Prothena Corporation plc PRTA Q4 2025 Annual earnings

Reported February 19, 2026 · After market close

Revenue$21.0KMiss by $1.3M
EPS-$0.44Beat by $0.01
Revenue estimate$1.3M
EPS estimate-$0.45

Next report

Aug 3, 2026 (In 5 days)
Revenue estimate$421.7K
EPS estimate-$0.39

Versus estimates

Revenue

Q1 2026$51.1MBeat by $50.3M
Q4 2025$21.0KMiss by $1.3M
Q3 2025$2.4MBeat by $1.7MQ2 2025$4.4MMiss by $2.2MQ1 2025$2.8MMiss by $12.5MQ4 2024$2.1MMiss by $5.4M

Diluted EPS

Q1 2026$0.52Beat by $0.83
Q4 2025-$0.44Beat by $0.01
Q3 2025-$0.67Miss by $0.07Q2 2025-$1.86Miss by $0.75Q1 2025-$1.12Miss by $0.20Q4 2024-$1.08Miss by $0.06

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Questions, answered.

When did Prothena Corporation plc report Q4 2025 earnings?
Prothena Corporation plc (PRTA) reported Q4 2025 earnings on February 19, 2026 after market close.
What were Prothena Corporation plc's Q4 2025 revenue and EPS?
Prothena Corporation plc reported revenue of $21.0K and eps of $-0.44 for Q4 2025.
Did Prothena Corporation plc beat estimates in Q4 2025?
Revenue missed the consensus estimate of $1.3M by $1.3M. EPS beat the consensus estimate of $-0.45 by $0.01.
How did Prothena Corporation plc's Q4 2025 results compare year-over-year?
Compared to the same quarter a year prior, revenue declined 99.0% from $2.1M a year earlier and eps grew 59.3% from $-1.08.
Where can I find Prothena Corporation plc's Q4 2025 SEC filings?
You can read the 8-K earnings release (0001559053-26-000003) and the 10-K periodic report (0001559053-26-000008) directly on SEC EDGAR. The filing index links above go to sec.gov.