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The company's pipeline includes both wholly-owned and partnered programs like Prasinezumab, Coramitug (PRX004), BMS-986446 (PRX005), PRX019, TDP-43 CYTOPE, and PRX012-TfR, being developed for the potential treatment of Parkinson's disease, ATTR amyloidosis with cardiomyopathy, Alzheimer's disease, Amyotrophic lateral sclerosis (ALS), and other neurodegenerative diseases.","67","Dublin 2, L2",false,{"close":16,"open":17,"high":18,"low":19,"prev_close":20,"change":21,"percent_change":22,"volume":23,"transactions":24,"vwap":25,"high_52w":26,"low_52w":27,"avg_volume_52w":28,"range_52w_percent":29,"record_count":30},8.48,7.93,8.63,7.88,8.02,0.46,5.74,690353.684579,7297,8.4,11.8,7.73,542222.6097701474,18.4,3468,{"status":32,"indices":33,"watchlist":76,"sectors":98,"benchmarks":153},"success",[34,41,48,55,61,68],{"symbol":35,"name":36,"price":37,"change":38,"pct_change":39,"is_up":14,"sparkline":40,"date":5},"SPX","S&P 500",7801.77,-17.16,-0.22,"0.0,13.9 2.3,10.5 4.6,12.4 6.9,14.2 9.3,16.0 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2000",277.7,{"ticker":4,"count":174,"articles":175},11,[176,182,188,194,200,206,212,218,223,228,233],{"title":177,"link":178,"pubDate":179,"description":180,"source":181},"A development chief is leaving Prothena (PRTA) to join one of its strategic partners. - Stock Titan","https:\u002F\u002Fnews.google.com\u002Frss\u002Farticles\u002FCBMitwFBVV95cUxPMm83UllTaFJIZUl2MmU2a0drRXp2UzdzX0YzTkFNYVRqTExSMGVfbzFScThqRXIweU0tQ1J3QjBic0FYZlpMa2NYOHhqZ2tGZ0EwY2E4OEZIaEtQMXVCRElGOHJHV3dMaWF3MmFSTFhuRzdObDBSaUFHVHJsdEFPLVNCd2NKX2tQZWhYZHB6eVBRTUFRSDNCRHktTVQzT0QycjY1UHo2Y0U5QkpTVlYxSVR4TElTTUk?oc=5","Fri, 02 Oct 2026 20:18:13 GMT","A development chief is leaving Prothena (PRTA) to join one of its strategic partners. Stock Titan","Stock Titan",{"title":183,"link":184,"pubDate":185,"description":186,"source":187},"Insider Stock Purchases: October 06, 2026 - Quiver Quantitative","https:\u002F\u002Fnews.google.com\u002Frss\u002Farticles\u002FCBMihAFBVV95cUxQb2hHR2RKMklNNERrSElyOEVPUDRVNHJxclY4Nk9XSGppWUFVNUpVYzNyZDluY1VRb3ZoM3JRRE9vOFAwNDF2Vm9PS19oUDB4dWZDU3VyM0tiRXU4SUZCVnJyWHpLdzI2OWtLNkNCQ1ZxTXJnTHUzUFJ2Qk04TWJLYWVoNTc?oc=5","Tue, 06 Oct 2026 18:45:00 GMT","Insider Stock Purchases: October 06, 2026 Quiver Quantitative","Quiver Quantitative",{"title":189,"link":190,"pubDate":191,"description":192,"source":193},"Insider Stock Purchases: October 06, 2026 - Moomoo","https:\u002F\u002Fnews.google.com\u002Frss\u002Farticles\u002FCBMiiwFBVV95cUxOc0dibDUtU0lnTS1zcjFNN29VekVkTklHcXh2NGdyV1lIVmluWTlnNmhFV1hIMFVDd0dmakdfMGFiaGZYTkUxQ2QzdmNrYlVrbUd1V1hpOUlWaXlDTzN2dmdtdFk2bzZIYnZZZDh5bnMyN1BGYjYtdnZ0V2pjWmRoNXlZaUpkYWZOYXIw?oc=5","Tue, 06 Oct 2026 18:45:07 GMT","Insider Stock Purchases: October 06, 2026 Moomoo","Moomoo",{"title":195,"link":196,"pubDate":197,"description":198,"source":199},"Trading the Move, Not the Narrative: (PRTA) Edition - Stock Traders Daily","https:\u002F\u002Fnews.google.com\u002Frss\u002Farticles\u002FCBMiyAFBVV95cUxPdHBhTm1iRFNGSjM5U0pWMmhoMExJN2dHT0JsUGNadUVldTBiZ1p4WlhhNWYtRHhpLVoxbkdkMV9qdHJ1anpYa1ZHazBTR3A1aHJaM2QzNngzQjJ2bnY2V3JUWk8xenItRTdrZU52V0pEdlRWTmdFM2N3dm9NMDQyUG5FVFYtcmNXb1A2UVJsMWhidV9rYWVIRlNOQUNydU45ZDY2R2JlNEgzaDhLTFRrRnhYUE1NM1JadGt6eXVjcVFqS2FxMmVlTw?oc=5","Sat, 03 Oct 2026 12:10:01 GMT","Trading the Move, Not the Narrative: (PRTA) Edition Stock Traders Daily","Stock Traders Daily",{"title":201,"link":202,"pubDate":203,"description":204,"source":205},"PRTA261218C00016000 Interactive Stock Chart | PRTA Dec 2026 16.000 call Stock - Yahoo! Finance Canada","https:\u002F\u002Fnews.google.com\u002Frss\u002Farticles\u002FCBMiZEFVX3lxTE85SnB1NjM4Y2JjNmpfenV0RzRzZkw1dUZtS3JuS1hpSjEzSEI4akNTNUV0WjlvWnYwTS1Ba0hidnhkSE96SmkyX0tYNHcybEtnaDdSb2tSWUZWNjFidEQ0TGd0NFE?oc=5","Sun, 04 Oct 2026 01:31:20 GMT","PRTA261218C00016000 Interactive Stock Chart | PRTA Dec 2026 16.000 call Stock Yahoo! Finance Canada","Yahoo! Finance Canada",{"title":207,"link":208,"pubDate":209,"description":210,"source":211},"Prothena Director William P. Scully Acquires 100,000 Shares at $8.57 Each - Kalkine Media","https:\u002F\u002Fnews.google.com\u002Frss\u002Farticles\u002FCBMitwFBVV95cUxPOE9Qd09MRy1ZYnRsaGYzc0NoSHhpOXJPQzA0VUZmeF9YTXFTaDN0MW9RbEctTEwxQWJlY0gwczZfbWQwaHJjV0VsOU1IRVROaWV5Wjd6VVlCWUdnNXBFU1lHVlJqZWFGLU1XZWp6bERadkR4eTVyd3RzdEtPdEZrLWRxc2dHOElNeWVOWk9wRW9vX3N4RzRtUlYzS0dMWkJJb180OXI4Z1JQSUd4Q2Y5MHZzb0tLOU0?oc=5","Tue, 06 Oct 2026 17:58:27 GMT","Prothena Director William P. Scully Acquires 100,000 Shares at $8.57 Each Kalkine Media","Kalkine Media",{"title":213,"link":214,"pubDate":215,"description":216,"source":217},"Prothena Corporation stock reports a narrower Q2 loss - AD HOC NEWS","https:\u002F\u002Fnews.google.com\u002Frss\u002Farticles\u002FCBMisgFBVV95cUxQVkFkVzJSSWl5UXAyUWxOTkIxcnV1T0dtZXgxV2hTV1RpMjduUzhDMFk4eGtQT05kMFNJZTlybFgyNzZhdnBIYkdtZ3F5LW9rVGI4bGFxWHBqejBoOGR0aTZYa1laZnMyLVNhMjlGV3VjX2lkMVJxSXFnOUlMd1NfNEVGeUNOUHZFS3JCZ0U3Z0oydDdkVmlWeTRoYzFpblRUQWFFRU1aZjBVMWZfUnNmWmtB?oc=5","Mon, 28 Sep 2026 21:37:53 GMT","Prothena Corporation stock reports a narrower Q2 loss AD HOC NEWS","AD HOC NEWS",{"title":219,"link":220,"pubDate":221,"description":222,"source":205},"CDNL,ANGX,OTLK,CUEN,LIEN,FISV,STRR,PRTA,SPG,VIRC,ACCS,FRST,GRNT,MTDR,BGDE,ACON,CC,BCDA,MSIF,SELF,PSNY,VRCA,AWRE,SMRT,APCX | Stock Prices | Quote Comparison - Yahoo! 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Finance Canada","https:\u002F\u002Fnews.google.com\u002Frss\u002Farticles\u002FCBMi7AFBVV95cUxOR2owd3ZwWVNVX0FXV1hmRmc0YlpRamgwRldMU0JUY0FsWkZNeDhQeFJBU2JQdGtQVFJUekl0MTBvZVhhNDlfeDFqYUhQeVpva0YwVzVzelRadlZOamNLdnNQd3FxNktNZXQydG9kX2pvUDh4OGNlM2pJanZONlc3SDJERWFRVEZhd09oS1Mwc1FMLW4wWVREbC1jTXFFNGRzUUhUQ1Bva1huUXhqcXQ4aEIxTnhYWnVoZmE2RDY2QVJ6M2EzYWZTelBDdHRTcjR5ejZ0QzFiVUwtZzRuNDBVaG4xcG5zX1NPMXFpNg?oc=5","Tue, 06 Oct 2026 17:25:34 GMT","ANGX,CDNL,OTLK,CUEN,STRR,FISV,PRTA,SPG,FRST,VIRC,ACCS,GRNT,MTDR,BGDE,ACON,CC,BCDA,BSX,MSIF,SELF,PSNY,VRCA,AWRE,KMX,APCX | Stock Prices | Quote Comparison Yahoo! Finance Canada",{"title":229,"link":230,"pubDate":231,"description":232,"source":205},"ANGX,CDNL,OTLK,CUEN,FISV,STRR,PRTA,SPG,VIRC,ACCS,FRST,GRNT,MTDR,BGDE,ACON,CC,BCDA,BSX,MSIF,SELF,PSNY,VRCA,AWRE,KMX,APCX | Stock Prices | Quote Comparison - Yahoo! Finance Canada","https:\u002F\u002Fnews.google.com\u002Frss\u002Farticles\u002FCBMi7AFBVV95cUxOOW5Xc2lyU2lJZE4xNEc4MEk5XzNYRWhGVzF4SWVyQ3ktekZCN3Y2aVVGWENNYlk4V1dTYWVOYWYyME41ZDhscHhQMDJFQWw5QVNvTHVURVR5N2Q0YmdNRFA1WnY3M0VmY3ZKZjNjcnBhekpOdzlDSExnNkIyUXRiUUliWVlIOW5rQXpMR0dVckt5WWtQQ1VUYkNxY0RiOHkxd1JZWVNwN2JiTEdWNWxFdlhTZ0gybUZBN3pWWUdfVzM0alY2WEJGQmNFY2JMX0thOElzSy03T2tYRDdzQmF0WUFrUkl6enNyMzNnSw?oc=5","Wed, 07 Oct 2026 12:11:02 GMT","ANGX,CDNL,OTLK,CUEN,FISV,STRR,PRTA,SPG,VIRC,ACCS,FRST,GRNT,MTDR,BGDE,ACON,CC,BCDA,BSX,MSIF,SELF,PSNY,VRCA,AWRE,KMX,APCX | Stock Prices | Quote Comparison Yahoo! Finance Canada",{"title":234,"link":235,"pubDate":236,"description":237,"source":205},"ANGX,CDNL,OTLK,CUEN,STRR,FISV,PRTA,SPG,FRST,VIRC,ACCS,GRNT,MTDR,BGDE,ACON,CC,BCDA,BSX,MSIF,SELF,PSNY,VRCA,KMX,AWRE,APCX | Stock Prices | Quote Comparison - Yahoo! Finance Canada","https:\u002F\u002Fnews.google.com\u002Frss\u002Farticles\u002FCBMi7AFBVV95cUxNUFhPTmhRMlEtYTN0OUE1RVZsdGFpbXltam1kTHBZbGVudVo1OHRldFFfWTRZOGtDdVNoZnQyX0xrb29iZDJrQUZ4dVZnd0dqN0RHT1VYaXRfc194U0NvSUxaRlY4QlBBcEwtMHpEeGtqR0JjZ2pFX0VJbkpvQ0s3OTNDUG96MVZQcE15RDZ1dXR2eHJZVXp3eDdFd2t6TUhPS1pmdGpjQXZyRVQzdTZSVjY5TDlFSGxnNXk2SGtMdkUybWZQN1FqU291U2JIa2UyMFVqRFA1Q0Y5VVJvMlBBTm1UMHVNbDdjNGIxLQ?oc=5","Wed, 07 Oct 2026 01:19:52 GMT","ANGX,CDNL,OTLK,CUEN,STRR,FISV,PRTA,SPG,FRST,VIRC,ACCS,GRNT,MTDR,BGDE,ACON,CC,BCDA,BSX,MSIF,SELF,PSNY,VRCA,KMX,AWRE,APCX | Stock Prices | Quote Comparison Yahoo! Finance Canada"]