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Prothena Corp PLC

9.26

-0.2600-2.73%

Post-market: 9.260.00000.00%16:37 EDT

Volume:430.06K

Turnover:4.01M

Market Cap:498.47M

PE:-2.04

High:9.62

Open:9.42

Low:9.14

Close:9.52

52wk High:13.22

52wk Low:4.32

Shares:53.83M

Float Shares:40.09M

Volume Ratio:0.63

T/O Rate:1.07%

Dividend:- -

Dividend Rate:- -

EPS(TTM):-4.5346

EPS(LYR):-4.5346

ROE:-63.62%

ROA:-26.40%

PB:1.78

PE(LYR):-2.04

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Overview Company News Filings

Prothena announced its annual general meeting of shareholders

Prothena partners present prasinezumab and BMS-986446 clinical study updates at AD/PD 2026

Prothena Corporation plc publishes corporate overview presentation on protein dysregulation disease pipeline and USD 308.4 million cash position

Prothena achieves $50M clinical milestone payment from Novo Nordisk

Prothena earns USD 50 million milestone payment from Novo Nordisk

Prothena Announces Achievement of $50 Million Clinical Milestone Payment From Novo Nordisk Related to Ongoing Phase 3 Clinical Trial for Coramitug (Formerly Prx004) in Attr Amyloidosis With Cardiomyopathy

THOMSON REUTERS

Prothena Corporation Plc - Novo Nordisk Phase 3 Coramitug Trial in Attr-Cm Expected to Complete in 2029

THOMSON REUTERS

Prothena (PRTA) Gets a Sell from Bank of America Securities

Prothena Approves $100 Million Share Buyback Authorization

MT Newswires Live

Prothena expects to end year with $255M in cash, equivalents

Prothena authorizes up to $100.00 million share repurchase plan

Prothena Announces up to $100 Million Share Repurchase Plan

THOMSON REUTERS

Prothena Is Maintained at Sector Perform by RBC Capital

RBC Raises Price Target on Prothena to $12 From $11, Keeps Sector Perform, Speculative Risk

MT Newswires Live

Piper Sandler Remains a Buy on Prothena (PRTA)

Prothena Q4 net loss narrows

Prothena Corp Q4 EPS $(0.40) Beats $(0.54) Estimate, Sales $21.000K Miss $1.334M Estimate

Prothena Q4 FY2025 revenue hits USD 0.02m and FY2025 net loss totals USD 244.09m

BRIEF-Prothena Q4 Net Income USD -21.589 Million

Prothena Q4 Collaboration Revenue USD 21 Thousand

THOMSON REUTERS

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Cooke and Dennis J. Selkoe as directors to serve until no later than the 2029 annual general meeting.The meeting will include a vote to ratify the appointment of KPMG as independent registered public accounting firm for 2026 and a vote to authorize the audit committee to approve the auditor’s remuneration.A non-binding advisory vote will be held on compensation for Prothena’s named executive officers.Disclaimer: This news brief was created by Public Technologies  using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Prothena Corporation plc published the original content used to generate this news brief on March 27, 2026, and is solely responsible for the information contained ther","market":"us","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://api.refinitiv.com/data/news/v1/stories/urn:newsml:reuters.com:20260327:nNDL2DvybS:1","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"0","news_top_title":null,"news_tag":"conferences","news_rank":0,"length":0,"strategy_id":0,"source":null,"symbols":["PRTA","BK4139"],"gpt_icon":0},{"id":"2621791129","title":"Prothena partners present prasinezumab and BMS-986446 clinical study updates at AD/PD 2026","url":"https://stock-news.laohu8.com/highlight/detail?id=2621791129","media":"Reuters","labels":["corporation"],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2621791129?lang=en_us&edition=fundamental","pubTime":"2026-03-22 04:05","pubTimestamp":1774123521,"startTime":"0","endTime":"0","summary":"Prothena reported that partner presentations at AD/PD 2026 included clinical updates on prasinezumab for Parkinson’s disease and BMS-986446 for Alzheimer’s disease.Roche presented PASADENA open-label extension analyses that estimated about two years of “time saved” versus a model-based comparator, based on outcomes five years after trial start.Roche also presented additional PADOVA open-label extension data indicating a sustained effect on slowing Parkinson’s progression, and said the evidence informed initiation of the Phase III PARAISO study.Poster data from PADOVA described exploratory MRI biomarker findings, including slowed neuromelanin signal loss and reduced iron accumulation.Bristol Myers Squibb presented a randomized, double-blind, placebo-controlled study in healthy participants reporting single-dose BMS-986446 was safe and well tolerated, with no anti-drug antibodies detected.","market":"fut","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":"ab6e84fb0542480d9cf75cb6a9fe5601","theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://api.refinitiv.com/data/news/v1/stories/urn:newsml:reuters.com:20260321:nNDLbdQRJs:1","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"0","news_top_title":null,"news_tag":"corporation","news_rank":0,"length":0,"strategy_id":0,"source":null,"symbols":["LU2125154935.USD","BK4588","LU0225284248.USD","LU1430594728.SGD","BMY","LU0096364046.USD","LU0985481810.HKD","LU0061475181.USD","LU1868836591.USD","BK4559","LU1093756325.SGD","LU0456855351.SGD","LU1291159041.SGD","LU1868837300.USD","BK4534","BK4532","LU0321505868.SGD","LU1718418525.SGD","LU1571399168.USD","BK4139","IE00B2B36J28.USD","LU1093756168.USD","LU1868837136.USD","BK4007","LU1032466523.USD","LU0237698245.USD","LU2360032135.SGD","LU1989771016.USD","IE00BSNM7G36.USD","LU0267386448.USD","IE00BFTCPJ56.SGD","IE00BJJMRZ35.SGD","LU0306807586.USD","LU2242652126.USD","LU0868494617.USD","LU1074936037.SGD","LU1670711123.USD","LU1868836914.USD","BK4581","LU2133065610.SGD","IE00BFXG1179.USD","IE0002141913.USD","PRTA","LU1670710588.SGD","LU1670711040.USD","LU1670710661.SGD","LU1261432733.SGD","LU1883839398.USD","LU0225771236.USD","IE00BJT1NW94.SGD"],"gpt_icon":0},{"id":"2618674786","title":"Prothena Corporation plc publishes corporate overview presentation on protein dysregulation disease pipeline and USD 308.4 million cash position","url":"https://stock-news.laohu8.com/highlight/detail?id=2618674786","media":"Reuters","labels":["dataReport"],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2618674786?lang=en_us&edition=fundamental","pubTime":"2026-03-10 04:22","pubTimestamp":1773087725,"startTime":"0","endTime":"0","summary":"Prothena Corporation plc publishes corporate overview presentation on protein dysregulation disease pipeline and USD 308.4 million cash position. Disclaimer: This news brief was created by Public Technologies  using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Prothena Corporation plc published the original content used to generate this news brief on March 09, 2026, and is solely responsible for the information contained therein.","market":"nz","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://api.refinitiv.com/data/news/v1/stories/urn:newsml:reuters.com:20260309:nNDLbnHn72:1","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":null,"news_tag":"dataReport","news_rank":0,"length":0,"strategy_id":0,"source":null,"symbols":["PRTA","BK4139"],"gpt_icon":0},{"id":"2618674291","title":"Prothena achieves $50M clinical milestone payment from Novo Nordisk","url":"https://stock-news.laohu8.com/highlight/detail?id=2618674291","media":"TIPRANKS","labels":["corporation"],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2618674291?lang=en_us&edition=fundamental","pubTime":"2026-03-10 04:11","pubTimestamp":1773087090,"startTime":"0","endTime":"0","summary":"The company states: “Prothena (PRTA) announced that the Company earned a $50 million milestone payment from Novo Nordisk (NVO) related to the achie...","market":"fut","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":{"source":"tipranks_highlight","url":"https://www.tipranks.com/news/the-fly/prothena-achieves-50m-clinical-milestone-payment-from-novo-nordisk-thefly-news?utm_source=itigerup.com&utm_medium=referral","rn_cache_url":null,"directOrigin":true},"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://www.tipranks.com/news/the-fly/prothena-achieves-50m-clinical-milestone-payment-from-novo-nordisk-thefly-news?utm_source=itigerup.com&utm_medium=referral","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":null,"news_tag":"corporation","news_rank":0,"length":0,"strategy_id":0,"source":"tipranks_highlight","symbols":["BK4007","BK4532","IE00BZ1G4Q59.USD","LU0154236417.USD","BK4588","BK4585","NVO","NVOX","BK4139","LU1093756168.USD","IE00BKVL7J92.USD","LU1093756325.SGD","NVOH","PRTA","BK4599"],"gpt_icon":0},{"id":"2618746376","title":"Prothena earns USD 50 million milestone payment from Novo Nordisk","url":"https://stock-news.laohu8.com/highlight/detail?id=2618746376","media":"Reuters","labels":["corporation"],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2618746376?lang=en_us&edition=fundamental","pubTime":"2026-03-10 04:11","pubTimestamp":1773087083,"startTime":"0","endTime":"0","summary":"Disclaimer: This news brief was created by Public Technologies  using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Prothena Corporation plc published the original content used to generate this news brief on March 09, 2026, and is solely responsible for the information contained therein.","market":"fut","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://api.refinitiv.com/data/news/v1/stories/urn:newsml:reuters.com:20260309:nNDLcc89M7:1","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":null,"news_tag":"corporation","news_rank":0,"length":0,"strategy_id":0,"source":null,"symbols":["BK4139","PRTA"],"gpt_icon":0},{"id":"2618671041","title":"Prothena Announces Achievement of $50 Million Clinical Milestone Payment From Novo Nordisk Related to Ongoing Phase 3 Clinical Trial for Coramitug (Formerly Prx004) in Attr Amyloidosis With Cardiomyopathy","url":"https://stock-news.laohu8.com/highlight/detail?id=2618671041","media":"THOMSON REUTERS","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2618671041?lang=en_us&edition=fundamental","pubTime":"2026-03-10 04:05","pubTimestamp":1773086700,"startTime":"0","endTime":"0","summary":null,"market":"nz","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://api.refinitiv.com/data/news/v1/stories/urn:newsml:reuters.com:20260309:nTUA2K8NFV:1","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"0","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"reuters_en_live","symbols":["BK4139","PRTA"],"gpt_icon":0},{"id":"2618671004","title":"Prothena Corporation Plc - Novo Nordisk Phase 3 Coramitug Trial in Attr-Cm Expected to Complete in 2029","url":"https://stock-news.laohu8.com/highlight/detail?id=2618671004","media":"THOMSON REUTERS","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2618671004?lang=en_us&edition=fundamental","pubTime":"2026-03-10 04:05","pubTimestamp":1773086700,"startTime":"0","endTime":"0","summary":null,"market":"nz","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://api.refinitiv.com/data/news/v1/stories/urn:newsml:reuters.com:20260309:nTUA2K8NFV:2","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"0","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"reuters_en_live","symbols":["BK4139","PRTA"],"gpt_icon":0},{"id":"2616853654","title":"Prothena (PRTA) Gets a Sell from Bank of America Securities","url":"https://stock-news.laohu8.com/highlight/detail?id=2616853654","media":"TIPRANKS","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2616853654?lang=en_us&edition=fundamental","pubTime":"2026-03-04 17:55","pubTimestamp":1772618155,"startTime":"0","endTime":"0","summary":"In a report released yesterday, Tazeen Ahmad from Bank of America Securities reiterated a Sell rating on Prothena, with a price target of $8.00. Th...","market":"nz","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":{"source":"tipranks_highlight","url":"https://www.tipranks.com/news/blurbs/prothena-prta-gets-a-sell-from-bank-of-america-securities-blurbs-news?utm_source=itigerup.com&utm_medium=referral","rn_cache_url":null,"directOrigin":true},"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://www.tipranks.com/news/blurbs/prothena-prta-gets-a-sell-from-bank-of-america-securities-blurbs-news?utm_source=itigerup.com&utm_medium=referral","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"-1","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"tipranks_highlight","symbols":["LU0417517546.SGD","LU0256863811.USD","IE00BKVL7J92.USD","LU0130103400.USD","LU1201861165.SGD","LU0320765646.SGD","IE0034235188.USD","LU1035773651.USD","LU0477156953.USD","LU0130517989.USD","LU0256863902.USD","LU2129689431.USD","LU0321505439.SGD","LU0980610538.SGD","LU1880398554.USD","LU0787776722.HKD","LU0321505868.SGD","PRTA","LU2265009873.SGD","BK4207","LU1162221912.USD","LU0170899867.USD","LU0130102774.USD","LU0314106906.USD","LU1506573853.SGD","LU1880398471.USD","LU0648001328.SGD","LU1366192091.USD","LU0640476718.USD","IE00B7SZLL34.SGD","LU1894683348.USD","LU1883839398.USD","BK4559","LU1201861249.SGD","IE00B19Z3B42.SGD","LU0128525689.USD","BAC","LU1718418525.SGD","LU1791807156.HKD","LU1496350171.SGD","LU1363072403.SGD","LU1069347547.HKD","LU1267930227.SGD","BK4588","LU1668664300.SGD","IE00BLSP4452.SGD","LU0310800965.SGD","LU0868494617.USD","LU0070302665.USD","LU0971096721.USD"],"gpt_icon":0},{"id":"2614677308","title":"Prothena Approves $100 Million Share Buyback Authorization","url":"https://stock-news.laohu8.com/highlight/detail?id=2614677308","media":"MT Newswires Live","labels":["shareholding"],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2614677308?lang=en_us&edition=fundamental","pubTime":"2026-02-28 05:31","pubTimestamp":1772227863,"startTime":"0","endTime":"0","summary":"Prothena  said Friday its board has approved a share repurchase plan of up to $100 million through Dec. 31, 2026.The company said it plans to buy back shares from time to time through various means, subject to prevailing market conditions, corporate and regulatory limitations, and other factors and that the program can be terminated at any time.","market":"sh","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://www.mtnewswires.com/","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":null,"news_tag":"shareholding","news_rank":0,"length":0,"strategy_id":0,"source":"mtnewswires_news","symbols":["BK4139","PRTA"],"gpt_icon":0},{"id":"2614867211","title":"Prothena expects to end year with $255M in cash, equivalents","url":"https://stock-news.laohu8.com/highlight/detail?id=2614867211","media":"TIPRANKS","labels":["dataReport"],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2614867211?lang=en_us&edition=fundamental","pubTime":"2026-02-28 05:20","pubTimestamp":1772227225,"startTime":"0","endTime":"0","summary":"Prothena (PRTA) had cash, cash equivalents and restricted cash of $308.4M and no debt as of December 31, 2025. Excluding any potential purchases un...","market":"fut","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":{"source":"tipranks_highlight","url":"https://www.tipranks.com/news/the-fly/prothena-expects-to-end-year-with-255m-in-cash-equivalents-thefly-news?utm_source=itigerup.com&utm_medium=referral","rn_cache_url":null,"directOrigin":true},"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://www.tipranks.com/news/the-fly/prothena-expects-to-end-year-with-255m-in-cash-equivalents-thefly-news?utm_source=itigerup.com&utm_medium=referral","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":null,"news_tag":"dataReport","news_rank":0,"length":0,"strategy_id":0,"source":"tipranks_highlight","symbols":["BK4139","PRTA"],"gpt_icon":0},{"id":"2614862214","title":"Prothena authorizes up to $100.00 million share repurchase plan","url":"https://stock-news.laohu8.com/highlight/detail?id=2614862214","media":"Reuters","labels":["shareholding","buyback"],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2614862214?lang=en_us&edition=fundamental","pubTime":"2026-02-28 05:15","pubTimestamp":1772226926,"startTime":"0","endTime":"0","summary":"Prothena Corporation plc’s board authorized a share repurchase plan allowing the company to buy back up to $100 million of its outstanding ordinary shares. The program runs through Dec. 31, 2026, and repurchases may be made in open-market transactions or under Rule 10b5-1 plans.","market":"fut","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://api.refinitiv.com/data/news/v1/stories/urn:newsml:reuters.com:20260227:nNDL3S9dkh:1","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":null,"news_tag":"shareholding,buyback","news_rank":0,"length":0,"strategy_id":0,"source":null,"symbols":["BK4139","PRTA"],"gpt_icon":0},{"id":"2614624288","title":"Prothena Announces up to $100 Million Share Repurchase Plan","url":"https://stock-news.laohu8.com/highlight/detail?id=2614624288","media":"THOMSON REUTERS","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2614624288?lang=en_us&edition=fundamental","pubTime":"2026-02-28 05:15","pubTimestamp":1772226900,"startTime":"0","endTime":"0","summary":null,"market":"nz","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://api.refinitiv.com/data/news/v1/stories/urn:newsml:reuters.com:20260227:nTUA8KPPKY:1","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"0","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"reuters_en_live","symbols":["BK4139","PRTA"],"gpt_icon":0},{"id":"2613720295","title":"Prothena Is Maintained at Sector Perform by RBC Capital","url":"https://stock-news.laohu8.com/highlight/detail?id=2613720295","media":"Dow Jones","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2613720295?lang=en_us&edition=fundamental","pubTime":"2026-02-21 00:41","pubTimestamp":1771605660,"startTime":"0","endTime":"0","summary":"Ratings actions from Benzinga: https://www.benzinga.com/quote/PRTA/analyst-ratings \n\n\n \n\n\n  (END) Dow Jones Newswires\n\n\n  February 20, 2026 11:41 ET (16:41 GMT)","market":"nz","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://dowjonesnews.com/newdjn/logon.aspx?AL=N","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"0","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":null,"symbols":["LU0128525929.USD","BK4139","LU0708994859.HKD","LU1267930573.SGD","PRTA","LU0310800379.SGD","LU0029864427.USD","BK4207"],"gpt_icon":0},{"id":"2612262045","title":"RBC Raises Price Target on Prothena to $12 From $11, Keeps Sector Perform, Speculative Risk","url":"https://stock-news.laohu8.com/highlight/detail?id=2612262045","media":"MT Newswires Live","labels":["express"],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2612262045?lang=en_us&edition=fundamental","pubTime":"2026-02-20 21:35","pubTimestamp":1771594550,"startTime":"0","endTime":"0","summary":"Prothena (PRTA) has an average rating of overweight and mean price target of $20.50, according to analysts polled by FactSet.(MT Newswires covers equity, commodity and economic research from major ban","market":"fut","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://www.mtnewswires.com/","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":null,"news_tag":"express","news_rank":0,"length":0,"strategy_id":0,"source":"mtnewswires_news","symbols":["PRTA","BK4139"],"gpt_icon":0},{"id":"2612262951","title":"Piper Sandler Remains a Buy on Prothena (PRTA)","url":"https://stock-news.laohu8.com/highlight/detail?id=2612262951","media":"TIPRANKS","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2612262951?lang=en_us&edition=fundamental","pubTime":"2026-02-20 21:18","pubTimestamp":1771593508,"startTime":"0","endTime":"0","summary":"In a report released today, Yasmeen Rahimi from Piper Sandler maintained a Buy rating on Prothena, with a price target of $36.00. Rahimi covers the...","market":"us","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":{"source":"tipranks_highlight","url":"https://www.tipranks.com/news/blurbs/piper-sandler-remains-a-buy-on-prothena-prta-blurbs-news?utm_source=itigerup.com&utm_medium=referral","rn_cache_url":null,"directOrigin":true},"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://www.tipranks.com/news/blurbs/piper-sandler-remains-a-buy-on-prothena-prta-blurbs-news?utm_source=itigerup.com&utm_medium=referral","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"tipranks_highlight","symbols":["BK4139","PRTA"],"gpt_icon":0},{"id":"2612233261","title":"Prothena Q4 net loss narrows","url":"https://stock-news.laohu8.com/highlight/detail?id=2612233261","media":"Reuters","labels":["dataReport"],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2612233261?lang=en_us&edition=fundamental","pubTime":"2026-02-20 05:20","pubTimestamp":1771536046,"startTime":"0","endTime":"0","summary":"Prothena Q4 net loss narrowsOverviewBiotechnology firm's Q4 revenue fell significantly yr/yrNet loss for Q4 increased compared to the previous yearCompany expects 2026 net cash used in operations to d","market":"fut","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://api.refinitiv.com/data/news/v1/stories/urn:newsml:reuters.com:20260219:nL1N3ZF1AW:1","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":null,"news_tag":"dataReport","news_rank":0,"length":0,"strategy_id":0,"source":null,"symbols":["IE00BJJMRZ35.SGD","IE0002141913.USD","BK4585","LU2125154778.USD","LU0868494617.USD","LU0267386448.USD","LU1868836757.USD","BK4581","LU0061475181.USD","LU1323610961.USD","LU0225771236.USD","LU1032466523.USD","BK4139","BK4007","IE00BSNM7G36.USD","LU1718418525.SGD","LU2360032135.SGD","LU1093756168.USD","IE00BFTCPJ56.SGD","IE00BFXG1179.USD","LU1261432733.SGD","LU1670711123.USD","LU1291159041.SGD","LU1883839398.USD","LU0306806265.USD","PRTA","IE0009355771.USD","LU1074936037.SGD","BK4534","BK4588","LU0114720955.EUR","LU1868836591.USD","LU1868837136.USD","IE00B2B36J28.USD","LU1093756325.SGD","LU0306807586.USD","LU0096364046.USD","LU2242646821.SGD","LU1868836914.USD","LU0985481810.HKD","LU1670711040.USD","LU2125154935.USD","LU1670710661.SGD","LU1430594728.SGD","LU0321505439.SGD","BMY","LU0225284248.USD","LU1670710588.SGD","LU0237698245.USD","IE00BJT1NW94.SGD"],"gpt_icon":0},{"id":"2612338742","title":"Prothena Corp Q4 EPS $(0.40) Beats $(0.54) Estimate, Sales $21.000K Miss $1.334M Estimate","url":"https://stock-news.laohu8.com/highlight/detail?id=2612338742","media":"Benzinga","labels":["dataReport","express"],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2612338742?lang=en_us&edition=fundamental","pubTime":"2026-02-20 05:13","pubTimestamp":1771535588,"startTime":"0","endTime":"0","summary":"Prothena Corp (NASDAQ:PRTA) reported quarterly losses of $(0.40) per share which beat the analyst consensus estimate of $(0.54) by 25.93 percent. This is a 62.96 percent increase over losses of $(1.08) per share from the","market":"us","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://www.benzinga.com/news/earnings/26/02/50735664/prothena-corp-q4-eps-0-40-beats-0-54-estimate-sales-21-000k-miss-1-334m-estimate","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":"Prothena Corp Q4 EPS $(0.40) Beats $(0.54) Estimate, Sales $21.000K Miss $1.334M Estimate","news_tag":"dataReport,express","news_rank":0,"length":0,"strategy_id":0,"source":null,"symbols":["BK4139","PRTA"],"gpt_icon":0},{"id":"2612238290","title":"Prothena Q4 FY2025 revenue hits USD 0.02m and FY2025 net loss totals USD 244.09m","url":"https://stock-news.laohu8.com/highlight/detail?id=2612238290","media":"Reuters","labels":["dataReport"],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2612238290?lang=en_us&edition=fundamental","pubTime":"2026-02-20 05:08","pubTimestamp":1771535329,"startTime":"0","endTime":"0","summary":"Prothena Q4 FY2025 revenue hits USD 0.02m and FY2025 net loss totals USD 244.09m               Prothena (PRTA) reported a Q4 FY2025 net loss of USD 21.6 million and a FY2025 net loss of USD 244.09 mil","market":"nz","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://api.refinitiv.com/data/news/v1/stories/urn:newsml:reuters.com:20260219:nNDL6B7GWr:1","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"-1","news_top_title":null,"news_tag":"dataReport","news_rank":0,"length":0,"strategy_id":0,"source":null,"symbols":["LU2242646821.SGD","BK4532","BMY","IE00BJJMRZ35.SGD","LU1989771016.USD","LU2360032135.SGD","PRTA","IE00BFTCPJ56.SGD","LU1074936037.SGD","IE00B2B36J28.USD","LU0456855351.SGD","BK4588","LU2133065610.SGD","IE00BJT1NW94.SGD","LU1323610961.USD","LU1670711123.USD","LU0868494617.USD","LU1430594728.SGD","LU0114720955.EUR","LU1868836757.USD","LU1670710588.SGD","LU1585245621.USD","LU0267386448.USD","BK4534","LU0882574055.USD","LU2242652126.USD","LU0321505439.SGD","LU0306806265.USD","LU0225771236.USD","LU1291159041.SGD","LU0061475181.USD","IE0002141913.USD","LU1670710661.SGD","LU1718418525.SGD","LU1093756168.USD","IE0009355771.USD","BK4585","LU0985481810.HKD","LU1261432733.SGD","LU1093756325.SGD","LU1868837136.USD","LU1032466523.USD","LU0237698245.USD","LU1670711040.USD","BK4559","LU0306807586.USD","LU1868837300.USD","IE00BSNM7G36.USD","LU0225284248.USD","LU0096364046.USD"],"gpt_icon":0},{"id":"2612238153","title":"BRIEF-Prothena Q4 Net Income USD -21.589 Million","url":"https://stock-news.laohu8.com/highlight/detail?id=2612238153","media":"Reuters","labels":["dataReport","express"],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2612238153?lang=en_us&edition=fundamental","pubTime":"2026-02-20 05:05","pubTimestamp":1771535145,"startTime":"0","endTime":"0","summary":"BRIEF-Prothena Q4 Net Income USD -21.589 Million\n\n\nFeb 19 (Reuters) - Prothena Q4 collaboration revenue USD 21 thousand.\n\nQ4 pretax profit USD -21.579 million\nQ4 operating expenses USD 24.224 million","market":"fut","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://api.refinitiv.com/data/news/v1/stories/urn:newsml:reuters.com:20260219:nPLXF92B35:1","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"-2","news_top_title":null,"news_tag":"dataReport,express","news_rank":0,"length":0,"strategy_id":0,"source":null,"symbols":["BK4139","PRTA"],"gpt_icon":0},{"id":"2612238547","title":"Prothena Q4 Collaboration Revenue USD 21 Thousand","url":"https://stock-news.laohu8.com/highlight/detail?id=2612238547","media":"THOMSON REUTERS","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2612238547?lang=en_us&edition=fundamental","pubTime":"2026-02-20 05:05","pubTimestamp":1771535100,"startTime":"0","endTime":"0","summary":null,"market":"fut","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://api.refinitiv.com/data/news/v1/stories/urn:newsml:reuters.com:20260219:nPLXF92B35:1","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"0","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"reuters_en_live","symbols":["PRTA","BK4139"],"gpt_icon":0}],"pageSize":20,"totalPage":3,"pageCount":1,"totalSize":54,"code":"91000000","status":"200"}]}}