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- Summary
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- Profile
- Historical

Data

- Earnings (+100.0% Growth)
- Ratings (6.8 Score)
- Holders

Upcoming Events

- Earnings (8/4/26 *Est.)

News

- Analyst Ratings
- Earnings Related
- Guidance
- Insider Trades
- Mgmt Changes
- M & A
- Retail Sales
- Rumors
- Stock Buybacks
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Prothena Corp. (NQ:PRTA)
Delayed: 9.59 +0.13 (1.37%)
Prev. Close $9.46  
Open$9.24 
52 Wk High$76.42 
52 Wk Low$28.20 
Day High$9.64 
Day Low$9.24 
P/E N/A  
EPS$-2.84 
Volume651,791 

Friends, Peers and Foes (?): ACLX, AGIO, AKRO, ASND, BBIO (more...)

Mar 5, 2026 04:51 PM Form 4 PROTHENA CORP PUBLIC For: Mar 03 Filed by: Zago Wagner M.
Mar 5, 2026 04:51 PM Form 4 PROTHENA CORP PUBLIC For: Mar 03 Filed by: Walker Karin L
Mar 5, 2026 04:51 PM Form 4 PROTHENA CORP PUBLIC For: Mar 03 Filed by: Swanson Chad J.
Mar 5, 2026 04:51 PM Form 4 PROTHENA CORP PUBLIC For: Mar 03 Filed by: Smith Brandon S.
Mar 5, 2026 04:50 PM Form 4 PROTHENA CORP PUBLIC For: Mar 03 Filed by: Nguyen Tran
Mar 5, 2026 04:50 PM Form 4 PROTHENA CORP PUBLIC For: Mar 03 Filed by: Malecek Michael J
Mar 5, 2026 04:50 PM Form 4 PROTHENA CORP PUBLIC For: Mar 03 Filed by: Kinney Gene G.
Mar 3, 2026 06:07 AM Form EFFECT PROTHENA CORP PUBLIC
Feb 27, 2026 04:46 PM Form 8-K PROTHENA CORP PUBLIC For: Feb 27
Feb 27, 2026 04:42 PM Form POS AM PROTHENA CORP PUBLIC
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