NASDAQ:PRTA Prothena Q2 2025 Earnings Report $7.03 +0.09 (+1.30%) Closing price 08/5/2025 04:00 PM EasternExtended Trading$7.30 +0.27 (+3.84%) As of 04:19 AM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. ProfileEarnings HistoryForecast Prothena EPS ResultsActual EPS-$1.86Consensus EPS -$1.11Beat/MissMissed by -$0.75One Year Ago EPSN/AProthena Revenue ResultsActual Revenue$4.42 millionExpected Revenue$5.36 millionBeat/MissMissed by -$943.00 thousandYoY Revenue GrowthN/AProthena Announcement DetailsQuarterQ2 2025Date8/4/2025TimeAfter Market ClosesConference Call DateMonday, August 4, 2025Conference Call Time4:00PM ETConference Call ResourcesPress Release (8-K)Quarterly Report (10-Q)Earnings HistoryCompany ProfilePowered by Earnings DocumentsPress Release(8-K)Quarterly report(10-Q) Prothena Earnings Headlines9 Analysts Assess Prothena Corp: What You Need To KnowAugust 5 at 12:52 PM | benzinga.comProthena Reports Q2 2025 Financial Results and Pipeline ProgressAugust 4 at 12:10 AM | tipranks.comGENIUS Act: Cancel Your Money?They said digital dollars were off the table. But with the GENIUS Act now federal law, private corporations—not the government—have been handed control of a new class of programmable money. It’s not called a CBDC, but it acts just like one. Your spending could be tracked, limited, or even frozen—whether you opt in or not. Once this system becomes the default, escape won’t be easy. | Priority Gold (Ad)Prothena Reports Second Quarter 2025 Financial Results and Business HighlightsAugust 4 at 4:05 PM | businesswire.comA Glimpse of Prothena Corp's Earnings PotentialAugust 2, 2025 | benzinga.comProthena (PRTA) Expected to Announce Quarterly Earnings on MondayAugust 2, 2025 | americanbankingnews.comSee More Prothena Headlines Get Earnings Announcements in your inboxWant to stay updated on the latest earnings announcements and upcoming reports for companies like Prothena? Sign up for Earnings360's daily newsletter to receive timely earnings updates on Prothena and other key companies, straight to your email. Email Address About ProthenaProthena (NASDAQ:PRTA), a late-stage clinical biotechnology company, focuses on discovery and development of novel therapies to treat diseases caused by protein dysregulation in the United States. The company is involved in developing birtamimab, an investigational humanized antibody that is in Phase III clinical trial for the treatment of AL amyloidosis; Prasinezumab, a humanized monoclonal antibody, for the treatment of Parkinson's disease and other related synucleinopathies which is in Phase IIb clinical trial; NNC6019 that is in Phase lI clinical trial for the treatment of ATTR amyloidosis; and BMS-986446 and PRX012, which is in Phase I clinical trial for the treatment of Alzheimer's disease. Its discovery and preclinical programs include PRX123, a dual Aß-Tau vaccine for the treatment and prevention of Alzheimer's disease; and PRX019 for the treatment of neurogenerative diseases, as well as TDP-43 for the treatment of amyotrophic lateral sclerosis. Prothena Corporation plc has a license, development, and commercialization agreement with F. Hoffmann-La Roche Ltd. and Hoffmann-La Roche Inc. to develop and commercialize antibodies that target a-synuclein, including prasinezumab; and a collaboration agreement with Bristol-Myers Squibb to develop and commercialize antibodies targeting tau, TDP-43. The company was incorporated in 2012 and is based in Dublin, Ireland.View Prothena ProfileRead more More Earnings Resources from MarketBeat Earnings Tools Today's Earnings Tomorrow's Earnings Next Week's Earnings Upcoming Earnings Calls Earnings Newsletter Earnings Call Transcripts Earnings Beats & Misses Corporate Guidance Earnings Screener Earnings By Country U.S. Earnings Reports Canadian Earnings Reports U.K. Earnings Reports Latest Articles Palantir Stock Soars After Blowout Earnings ReportVertical Aerospace's New Deal and Earnings De-Risk ProductionAmazon's Earnings: What Comes Next and How to Play ItApple Stock: Big Earnings, Small Move—Time to Buy?Why Robinhood Just Added Upside Potential After a Q2 Earnings DipMicrosoft Blasts Past Earnings—What’s Next for MSFT?Visa Beats Q3 Earnings Expectations, So Why Did the Market Panic? 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