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Prothena Corp PLC

9.61

+0.26002.78%

Post-market: 9.610.00000.00%16:01 EDT

Volume:267.65K

Turnover:2.55M

Market Cap:493.35M

PE:-11.53

High:9.63

Open:9.28

Low:9.26

Close:9.35

52wk High:11.80

52wk Low:7.73

Shares:51.34M

Float Shares:40.12M

Volume Ratio:0.73

T/O Rate:0.67%

Dividend:- -

Dividend Rate:- -

EPS(TTM):-0.8337

EPS(LYR):-4.5346

ROE:-14.39%

ROA:-10.67%

PB:1.72

PE(LYR):-2.12

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News

3 Growth Stocks With High Insider Ownership You Need To Watch

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Prothena 10% Owner William P. Scully Buys $439,430 of Common Shares

Prothena Files Initial Beneficial Ownership Statement for Todd W. Fennell

Analysts Offer Insights on Healthcare Companies: Gain Therapeutics (GANX) and Prothena (PRTA)

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Scully bought 50,000 ordinary shares at a weighted average price of $8.79.His directly held stake rose ","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:20260821:nNDL5wqPfp:1","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":"Prothena 10% Owner William P. Scully Buys $439,430 of Common Shares","news_tag":"shareholding,insiderTrades","news_rank":0,"length":0,"strategy_id":0,"source":null,"symbols":["PRTA","BK4139"],"isVideo":false,"video":null,"gpt_icon":0},{"id":"2660494061","title":"Prothena Files Initial Beneficial Ownership Statement for Todd W. Fennell","url":"https://stock-news.laohu8.com/highlight/detail?id=2660494061","media":"Reuters","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2660494061?lang=en_us&edition=fundamental","pubTime":"2026-08-19 04:17","pubTimestamp":1787084246,"startTime":"0","endTime":"0","summary":"Prothena files initial beneficial ownership statement for Todd W. FennellProthena filed a Form 3 initial beneficial ownership statement dated Aug. 18, 2026 for Todd W. Fennell.Fennell was reported as ","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:20260818:nNDL69Gk7s: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":null,"symbols":["PRTA","BK4139"],"isVideo":false,"video":null,"gpt_icon":0},{"id":"2659123357","title":"Analysts Offer Insights on Healthcare Companies: Gain Therapeutics (GANX) and Prothena (PRTA)","url":"https://stock-news.laohu8.com/highlight/detail?id=2659123357","media":"TIPRANKS","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2659123357?lang=en_us&edition=fundamental","pubTime":"2026-08-15 00:10","pubTimestamp":1786723806,"startTime":"0","endTime":"0","summary":"Companies in the Healthcare sector have received a lot of coverage today as analysts weigh in on Gain Therapeutics (GANX) and Prothena (PRTA). 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