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PRTA – prothena corporation plc - ordinary shares (US:NASDAQ)

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Prothena Announces up to $100 Million Share Repurchase Plan [Yahoo! Finance]

Prothena Announces up to $100 Million Share Repurchase Plan

Prothena (NASDAQ:PRTA) had its price target raised by analysts at Royal Bank Of Canada from $11.00 to $12.00. They now have a "sector perform" rating on the stock.

Prothena Corp PLC (PRTA) Q4 2025 Earnings Call Highlights: Strategic Advancements and Financial ... [Yahoo! Finance]

Prothena Q4 Earnings Call Highlights [Yahoo! Finance]

-0.1%

BEAT

4.8%

MISS

1.3%

MISS

4.6%

MISS

Form EFFECT PROTHENA CORP PUBLIC

Form 8-K PROTHENA CORP PUBLIC For: Feb 27

Form POS AM PROTHENA CORP PUBLIC

Form 10-K PROTHENA CORP PUBLIC For: Dec 31

Form POSASR PROTHENA CORP PUBLIC

Top News Gainers

12/19 Form 8-K Prothena Corp plc For: Dec 19 23.2%

3/19 Prothena Co. PLC (NASDAQ: PRTA) was downgraded by analysts at BidaskClub from a "hold" rating to a "sell" rating. 15.7%

4/22 BRIEF-Prothena Corporation Plc- Update On Prasinezumab Expected Later This Year [Reuters] 15.5%

4/3 Prothena Announces Inducement Grant Under Nasdaq Listing Rule 5635(c)(4) 14.7%

3/3 Prothena Announces Appointment of Brandon Smith as Chief Business Officer 6.9%

11/19 Prothena Co. PLC (NASDAQ: PRTA) was upgraded by analysts at Evercore ISI to an "outperform" rating. 5.5%

8/5 Form SC 13G Prothena Corp plc Filed by: GREAT POINT PARTNERS LLC 4.9%

10/30 Form 8-K/A Prothena Corp plc For: Oct 29 4.8%

5/7 Q1/2019 3/31/2019 EPS -0.520 ZacksConsensus -0.600 ActVsEst 0.080 - Beat 4.8%

12/21 Prothena Co. PLC (NASDAQ: PRTA) was downgraded by analysts at ValuEngine from a "sell" rating to a "strong sell" rating. 4.4%

Top News Decliners

5/10 Prothena (PRTA) Investor Presentation - Slideshow [Seeking Alpha] -7.4%

8/15 Prothena Co. PLC (NASDAQ: PRTA) was downgraded by analysts at BidaskClub from a "sell" rating to a "strong sell" rating. -6.7%

8/30 Prothena: Trading Below Cash, Key Clinical Readouts In Coming Year [Seeking Alpha] -5.4%

7/30 Prothena to Report Second Quarter 2019 Financial Results on August 6 -4.8%

2/14 Form SC 13G/A Prothena Corp plc Filed by: GREAT POINT PARTNERS LLC -4.8%

2/12 Q4/2019 12/31/2019 EPS -0.540 ZacksConsensus -0.650 ActVsEst 0.110 - Beat -4.4%

11/5 Form 8-K Prothena Corp plc For: Nov 05 -4.2%

4/21 Prothena Co. PLC (NASDAQ: PRTA) was upgraded by analysts at BidaskClub from a "hold" rating to a "buy" rating. -4.1%

1/23 Prothena Co. PLC (NASDAQ: PRTA) was downgraded by analysts at BidaskClub from a "buy" rating to a "hold" rating. -3.7%

5/22 Form S-3 Prothena Corp plc -3.1%

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