Prothena Corporation plc (PRTA)

NMS – Real Time Price. Currency in USD

9.23

+0.01 (0.05%)

Market open: Aug 12, 2026, 11:34 AM EDT

9.22

0.00 (0.00%)

Previous after-hours: Aug 11, 2026, 7:34 PM EDT

07.08.2026

PRTA's Q2 Loss Narrower Than Expected, Pipeline Progress in Focus

Prothena beat adjusted Q2 loss estimates, reaffirmed 2026 cash-use guidance and highlights partner pipeline progress as a key milestone decision nears.

07.08.2026

Prothena (PRTA) Reports Q2 Loss, Misses Revenue Estimates

Prothena (PRTA) came out with a quarterly loss of $0.32 per share versus the Zacks Consensus Estimate of a loss of $0.39. This compares to a loss of $1.86 per share a year ago.

06.08.2026

Prothena Reports Second Quarter 2026 Financial Results and Business Highlights

DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--Prothena reported financial results for the second quarter and first six months of 2026 and provided business highlights.

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06.08.2026

Prothena Reports Second Quarter 2026 Financial Results and Business Highlights

DUBLIN--(BUSINESS WIRE)---- $PRTA #Prothena--Prothena reported financial results for the second quarter and first six months of 2026 and provided business highlights.

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Prothena Corporation plc (PRTA)

PRTA's Q2 Loss Narrower Than Expected, Pipeline Progress in Focus

Prothena (PRTA) Reports Q2 Loss, Misses Revenue Estimates

Prothena Reports Second Quarter 2026 Financial Results and Business Highlights

Videos

No Data

Press releases

Prothena Reports Second Quarter 2026 Financial Results and Business Highlights

PRTA's Q2 Loss Narrower Than Expected, Pipeline Progress in Focus

Prothena (PRTA) Reports Q2 Loss, Misses Revenue Estimates

Prothena Reports Second Quarter 2026 Financial Results and Business Highlights

Videos

No Data

Press releases

Prothena Reports Second Quarter 2026 Financial Results and Business Highlights

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Prothena Corporation plc (PRTA)

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Prothena Corporation plc (PRTA)

PRTA's Q2 Loss Narrower Than Expected, Pipeline Progress in Focus

Prothena (PRTA) Reports Q2 Loss, Misses Revenue Estimates

Prothena Reports Second Quarter 2026 Financial Results and Business Highlights

Videos

No Data

Press releases

Prothena Reports Second Quarter 2026 Financial Results and Business Highlights

PRTA's Q2 Loss Narrower Than Expected, Pipeline Progress in Focus

Prothena (PRTA) Reports Q2 Loss, Misses Revenue Estimates

Prothena Reports Second Quarter 2026 Financial Results and Business Highlights

Videos

No Data

Press releases

Prothena Reports Second Quarter 2026 Financial Results and Business Highlights