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PRTA Prothena Corporation plc daily Stock Chart
PRTA [NASD]
Prothena Corporation plc
Index- P/E- EPS (ttm)-4.63 Insider Own90.10% Shs Outstand39.85M Perf Week6.82%
Market Cap524.03M Forward P/E- EPS next Y-1.98 Insider Trans0.00% Shs Float39.85M Perf Month9.95%
Income-181.30M PEG- EPS next Q-0.52 Inst Own- Short Float9.83% Perf Quarter15.05%
Sales1.00M P/S524.03 EPS this Y12.50% Inst Trans- Short Ratio9.21 Perf Half Y-7.85%
Book/sh8.52 P/B1.54 EPS next Y20.00% ROA-38.10% Target Price14.57 Perf Year-57.51%
Cash/sh11.33 P/C1.16 EPS next 5Y-6.99% ROE-55.20% 52W Range8.63 - 44.75 Perf YTD27.67%
Dividend- P/FCF- EPS past 5Y-7.50% ROI-37.10% 52W High-70.61% Beta2.52
Dividend %- Quick Ratio19.30 Sales past 5Y59.60% Gross Margin- 52W Low52.38% ATR0.50
Employees125 Current Ratio19.30 Sales Q/Q50.00% Oper. Margin- RSI (14)71.29 Volatility4.14% 4.01%
OptionableYes Debt/Eq0.00 EPS Q/Q55.00% Profit Margin- Rel Volume1.44 Prev Close12.75
ShortableYes LT Debt/Eq0.00 EarningsFeb 14 AMC Payout- Avg Volume425.30K Price13.15
Recom3.00 SMA2010.01% SMA5015.85% SMA200-0.65% Volume613,546 Change3.14%
May-21-18Downgrade Barclays Equal Weight → Underweight $14 → $12
Apr-23-18Downgrade Jefferies Buy → Hold
Apr-05-18Reiterated Barclays Overweight $70 → $50
Nov-20-17Downgrade Wedbush Outperform → Neutral $75 → $55
Sep-29-17Reiterated BTIG Research Buy $80 → $77
Sep-15-17Initiated RBC Capital Mkts Outperform $87
Aug-17-17Initiated Evercore ISI Outperform $83
Jul-11-17Initiated Jefferies Buy
Apr-12-17Initiated Piper Jaffray Overweight $69
Apr-12-17Initiated Cantor Fitzgerald Overweight $86
Mar-02-17Initiated Instinet Buy $87
Dec-21-16Initiated SunTrust Buy $75
Nov-03-16Initiated Deutsche Bank Buy $73
Aug-04-16Reiterated Barclays Overweight $60 → $70
May-13-16Initiated Barclays Overweight $60
Feb-19-16Reiterated Wedbush Outperform $81 → $77
Jan-21-16Initiated Credit Suisse Outperform
Nov-19-15Reiterated RBC Capital Mkts Outperform $75 → $95
Aug-04-15Reiterated Wedbush Outperform $53 → $81
Jul-22-15Reiterated RBC Capital Mkts Outperform $50 → $75
Feb-15-19 02:03PM  Prothena's (PRTA) Q4 Earnings Beat, Revenues Miss Estimates Zacks
Feb-14-19 05:50PM  Prothena (PRTA) Reports Q4 Loss, Misses Revenue Estimates Zacks
04:58PM  Prothena: 4Q Earnings Snapshot Associated Press
04:05PM  Prothena Reports Fourth Quarter and Full Year 2018 Financial Results, and Provides Financial Guidance and R&D Update GlobeNewswire
07:50AM  The Daily Biotech Pulse: Vanda Q4 Results, Inovio Debt Offering, Caladrius Diabetes Drug Flunks Mid-Stage Trial Benzinga
Feb-07-19 10:31AM  Will Prothena (PRTA) Report Negative Earnings Next Week? What You Should Know Zacks
Feb-04-19 04:05PM  Prothena to Report Fourth Quarter and Full Year 2018 Financial Results and Host Webcast Conference Call on February 14 GlobeNewswire
Jan-30-19 08:15AM  Report: Developing Opportunities within Hyatt Hotels, Carter's, Globus Medical, Switch, Prothena Corporation plc, and Assurant Future Expectations, Projections Moving into 2019 GlobeNewswire
Dec-20-18 06:04AM  Should You Buy Prothena Corporation plc (PRTA)? Insider Monkey
Dec-10-18 08:38AM  Implied Volatility Surging for Prothena (PRTA) Stock Options Zacks
Dec-06-18 09:30AM  Prothena (PRTA) Down 12.3% Since Last Earnings Report: Can It Rebound? Zacks
Nov-08-18 09:59AM  Prothena (PRTA) Reports Narrower-Than-Expected Loss in Q3 Zacks
Nov-06-18 07:05PM  Prothena (PRTA) Reports Q3 Loss, Lags Revenue Estimates Zacks
05:58PM  Prothena: 3Q Earnings Snapshot Associated Press
04:05PM  Prothena Reports Third Quarter 2018 Financial Results and Provides R&D Update GlobeNewswire
Oct-30-18 04:05PM  Prothena to Report Third Quarter 2018 Financial Results on November 6 GlobeNewswire +5.26%
Oct-16-18 09:10AM  Factors of Influence in 2018, Key Indicators and Opportunity within 1-800 FLOWERS.COM, Bojangles', Prothena Corporation plc, Lydall, Daktronics, and ServiceSource International New Research Emphasizes Economic Growth GlobeNewswire
Oct-09-18 08:32AM  Celgene's Otezla Meets Goal in Scalp Plaque Psoriasis Study Zacks
Oct-01-18 10:10AM  Are Options Traders Betting on a Big Move in Prothena (PRTA) Stock? Zacks
Sep-13-18 06:17PM  The Law Offices of Howard G. Smith Reminds Investors of Extended Lead Plaintiff Deadline in the Class Action Lawsuit Against Prothena Corporation plc (PRTA) GlobeNewswire
01:18PM  September 17th Deadline Alert: Glancy Prongay & Murray LLP Reminds Investors of the Deadline in the Class Action Lawsuit Against Prothena Corporation plc (PRTA) Business Wire
Sep-06-18 08:21PM  September 17th Deadline Alert: Glancy Prongay & Murray LLP Reminds Investors of the Deadline in the Class Action Lawsuit Against Prothena Corporation plc (PRTA) GlobeNewswire -6.76%
12:00PM  Why Is Prothena (PRTA) Up 8.2% Since Last Earnings Report? Zacks
Sep-02-18 09:12AM  EQUITY NOTICE: Rosen Law Firm Announces Filing of Securities Class Action Lawsuit Against Prothena Corporation plc PRTA Business Wire
Aug-31-18 08:24PM  Glancy Prongay & Murray LLP Announces Extended Lead Plaintiff Deadline in Securities Class Action on Behalf of Prothena Corporation plc Investors (PRTA) GlobeNewswire
Aug-28-18 08:15PM  The Law Offices of Howard G. Smith Reminds Investors of Extended Lead Plaintiff Deadline in the Class Action Lawsuit Against Prothena Corporation plc (PRTA) Business Wire
Aug-21-18 05:08PM  Is Celgene Set to See Improved Results in the Second Half? Zacks
Aug-20-18 08:00AM  Investor Expectations to Drive Momentum within Rapid7, 1-800 FLOWERS.COM, SMART Global, Prothena Corporation plc, Amphastar Pharmaceuticals, and Silvercorp Metals Discovering Underlying Factors of Influence GlobeNewswire
Aug-09-18 02:39PM  Notice of Voluntary Dismissal of Class Action Concerning Prothena Corporation GlobeNewswire
Aug-08-18 08:18AM  Prothena (PRTA) Q2 Earnings Lag Estimates, Pipeline in Focus Zacks
Aug-07-18 07:35PM  Prothena (PRTA) Reports Q2 Loss, Tops Revenue Estimates Zacks
06:30PM  Prothena: 2Q Earnings Snapshot Associated Press
04:05PM  Prothena Reports Second Quarter 2018 Financial Results and Provides R&D Update GlobeNewswire
Aug-06-18 05:56PM  SHAREHOLDER ALERT: Levi & Korsinsky, LLP Notifies Shareholders It Filed a Complaint to Recover Losses Suffered by Prothena Corporation Investors and Set a Lead Plaintiff Deadline of October 5, 2018 GlobeNewswire
Aug-03-18 05:30PM  Prothena (PRTA) Q2 Earnings: Is a Disappointment in Store? Zacks
Jul-31-18 04:05PM  Prothena to Report Second Quarter 2018 Financial Results on August 7 GlobeNewswire
Jul-24-18 02:52PM  Investor Alert: Kaplan Fox Announces Investigation Of Prothena Corporation plc PR Newswire
Jul-20-18 09:17PM  Glancy Prongay & Murray LLP Announces Extended Lead Plaintiff Deadline in Securities Class Action on Behalf of Prothena Corporation plc Investors (PRTA) Business Wire
07:20AM  Free Technical Research on Riot Blockchain and Three More Biotech Equities ACCESSWIRE
Jul-18-18 12:15PM  SHAREHOLDER ALERT - Bronstein, Gewirtz & Grossman, LLC Notifies Investors of Class Action Against Prothena Corporation plc (PRTA) & Lead Plaintiff Deadline - September 17, 2018 PR Newswire
Jul-17-18 03:46PM  Labaton Sucharow LLP Files Securities Class Action Lawsuit on Behalf of Prothena Corporation plc Investors GlobeNewswire
02:27PM  Robbins Arroyo LLP: Prothena Corporation Public Limited Company (PRTA) Misled Shareholders According to a Recently Filed Class Action Business Wire
Jul-16-18 11:26AM  CLASS ACTION DEADLINE MONDAY for PRTA and FLR: Levi & Korsinsky, LLP Reminds Investors of Class Actions on Behalf of Shareholders GlobeNewswire
10:38AM  FINAL DEADLINE ALERT - Bronstein, Gewirtz & Grossman, LLC Reminds Investors With Losses in Excess of $2,000,000 of Class Action Against Prothena Corporation plc (PRTA) & Lead Plaintiff Deadline - July 16, 2018 ACCESSWIRE
Jul-15-18 12:00AM  SHAREHOLDER ALERT PRTA SYMC PPG MFGP FLR ATEN REPH DB: The Law Offices of Vincent Wong Reminds Investors of Important Class Action Deadlines GlobeNewswire
Jul-13-18 09:07PM  The Law Offices of Howard G. Smith Reminds Investors of July 16th Deadline in the Class Action Lawsuit Against Prothena Corporation plc (PRTA) GlobeNewswire
07:00PM  CLASS ACTION DEADLINE MONDAY for PRTA and SYMC: Levi & Korsinsky, LLP Reminds Investors of Class Actions on Behalf of Shareholders GlobeNewswire
12:40PM  SHAREHOLDER ALERT PRTA SYMC PPG MFGP FLR DB QCOM NWL: The Law Offices of Vincent Wong Reminds Investors of Important Class Action Deadlines GlobeNewswire
10:00AM  SHAREHOLDER ALERT - Bronstein, Gewirtz & Grossman, LLC Notifies Investors With Losses in Excess of $2,000,000 of Class Action Against Prothena Corporation plc (PRTA) & Lead Plaintiff Deadline July 16, 2018 GlobeNewswire
Jul-12-18 07:24PM  July 16th Deadline Alert: Glancy Prongay & Murray LLP Reminds Investors of the Deadline in the Class Action Lawsuit Against Prothena Corporation plc (PRTA) GlobeNewswire
03:58PM  UPCOMING DEADLINES: The Klein Law Firm Reminds Investors of Class Actions on Behalf of Shareholders of PRTA, PPG, DB, PCG, and TAL GlobeNewswire
12:25AM  SHAREHOLDER ALERT: Pomerantz Law Firm Reminds Shareholders with Losses on their Investment in Prothena Corporation plc of Class Action Lawsuit and Upcoming Deadline - PRTA ACCESSWIRE
Jul-11-18 03:27PM  MONDAY DEADLINE ALERT: The Schall Law Firm Announces it is Investigating Claims Against Prothena Corporation plc and Encourages Investors with Losses in Excess of $100,000 to Contact the Firm Business Wire
03:08PM  SHAREHOLDER ALERT PRTA SYMC MFGP ANW ORA PCG TAL FLKS: The Law Offices of Vincent Wong Reminds Investors of Important Class Action Deadlines GlobeNewswire
02:15PM  The Law Offices of Howard G. Smith Reminds Investors of July 16th Deadline in the Class Action Lawsuit Against Prothena Corporation plc (PRTA) Business Wire
02:01PM  CLASS ACTION UPDATE for PRTA and ATEN: Levi & Korsinsky, LLP Reminds Investors of Class Actions on Behalf of Shareholders GlobeNewswire
06:00AM  FINAL DEADLINE ALERT: Brower Piven Reminds Shareholders Of Approaching Deadline In Class Action Lawsuit And Encourages Those Who Have Losses In Excess Of $100,000 From Investment In Prothena Corporation plc (Nasdaq: PRTA) To Contact The Firm GlobeNewswire
Jul-10-18 03:53PM  UPCOMING DEADLINES: The Klein Law Firm Reminds Investors of Class Actions on Behalf of Shareholders of PRTA, ATEN, QCOM, SBGL, and SYMC GlobeNewswire
02:51PM  July 16th Deadline Alert: Glancy Prongay & Murray LLP Reminds Investors of the Deadline in the Class Action Lawsuit Against Prothena Corporation plc (PRTA) Business Wire
11:19AM  SHAREHOLDER ALERT KLIC PRTA SYMC PPG FLR UNM GOGO: The Law Offices of Vincent Wong Reminds Investors of Important Class Action Deadlines GlobeNewswire
10:10AM  SHAREHOLDER ALERT - Bronstein, Gewirtz & Grossman, LLC Notifies Investors With Losses in Excess of $2,000,000 of Class Action Against Prothena Corporation plc (PRTA) & Lead Plaintiff Deadline - July 16, 2018 PR Newswire
09:45AM  Scott+Scott Attorneys at Law LLP Reminds Investors of Securities Class Action Against Prothena Corporation plc (PRTA) Business Wire
Jul-09-18 02:57PM  CLASS ACTION UPDATE for KLIC, PRTA, and SYMC: Levi & Korsinsky, LLP Reminds Investors of Class Actions on Behalf of Shareholders GlobeNewswire
Jul-08-18 06:31AM  The 3 Worst Biotech Stocks of 2018 (So Far) Motley Fool
Jul-06-18 05:34PM  PRTA LOSS ALERT NOTICE: Rosen Law Firm Announces Filing of Securities Class Action Lawsuit Against Prothena Corporation plc - PRTA PR Newswire
04:34PM  DEADLINE ALERT: The Schall Law Firm Announces it is Investigating Claims Against Prothena Corporation plc and Encourages Investors with Losses in Excess of $100,000 to Contact the Firm Business Wire
10:28AM  UPCOMING DEADLINES: The Klein Law Firm Reminds Investors of Class Actions on Behalf of Shareholders of NWL, PRTA, PPG, DB, ANW, and REVG GlobeNewswire
Jul-05-18 05:56PM  Pomerantz Law Firm Announces the Filing of a Class Action against Prothena Corporation plc and Certain Officers   PRTA GlobeNewswire
04:45PM  INVESTOR ALERT: Law Offices of Howard G. Smith Announces the Filing of a Securities Class Action on Behalf of Prothena Corporation plc Investors (PRTA) Business Wire
02:55PM  PRTA NOTICE: Pawar Law Reminds of Important July 16, 2018 Lead Plaintiff Deadline in Class Action - PRTA ACCESSWIRE
01:00PM  SHAREHOLDER ALERT PRTA MFGP ANW ORA TAL NWL FLKS HAIR GOGO: The Law Offices of Vincent Wong Reminds Investors of Important Class Action Deadlines GlobeNewswire
09:02AM  PRTA INVESTORS REMINDER: Lieff Cabraser Reminds Investors of Deadline in Class Action Against Prothena Corporation plc Business Wire
Jul-04-18 09:19AM  SHAREHOLDER ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Prothena Corporation plc - PRTA ACCESSWIRE
Jul-03-18 01:00PM  CLASS ACTION UPDATE for PRTA, MFGP, and REPH: Levi & Korsinsky, LLP Reminds Investors of Class Actions on Behalf of Shareholders GlobeNewswire
Jul-02-18 01:11PM  UPCOMING DEADLINES: The Klein Law Firm Reminds Investors of Class Actions on Behalf of Shareholders of PRTA, PPG, DB, ANW, REVG and ORA GlobeNewswire
Jun-29-18 05:34PM  LEAD PLAINTIFF DEADLINE ALERT: Faruqi & Faruqi, LLP Encourages Investors Who Suffered Losses Exceeding $50,000 In Prothena Corporation plc To Contact The Firm GlobeNewswire
04:00PM  SHAREHOLDER ALERT PRTA TAL NWL FLEX HAIR GOGO: The Law Offices of Vincent Wong Reminds Investors of Important Class Action Deadlines GlobeNewswire
Jun-28-18 04:15PM  SHAREHOLDER ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Prothena Corporation plc - PRTA ACCESSWIRE
02:31PM  CLASS ACTION UPDATE for DB, PRTA and ANW: Levi & Korsinsky, LLP Reminds Investors of Class Actions on Behalf of Shareholders GlobeNewswire
Jun-27-18 01:42PM  INVESTOR ACTION NOTICE: The Schall Law Firm Announces the Filing of a Class Action Lawsuit Against Prothena Corporation plc and Encourages Investors with Losses in Excess of $100,000 to Contact the Firm ACCESSWIRE
12:30PM  UPCOMING DEADLINES: The Klein Law Firm Reminds Investors of Class Actions on Behalf of Shareholders of INWK, ESPR, PRTA, and PPG GlobeNewswire
Jun-26-18 05:50PM  Glancy Prongay & Murray LLP Announces the Filing of a Securities Class Action on Behalf of Prothena Corporation plc Investors (PRTA) Business Wire
11:32AM  SHAREHOLDER ALERT PRTA MFGP DB: The Law Offices of Vincent Wong Reminds Investors of Important Class Action Deadlines GlobeNewswire
10:25AM  ALERTED: Pawar Reminds Prothena Corporation plc Investors of Important July 16, 2018 Lead Plaintiff Deadline in Class Action - PRTA ACCESSWIRE
Jun-25-18 04:06PM  Prothena Announces Appointment of Tran B. Nguyen as Chief Operating Officer GlobeNewswire
04:05PM  Prothena Announces Appointment of Tran B. Nguyen as Chief Operating Officer GlobeNewswire
03:10PM  IMPORTANT INVESTOR ALERT: The Schall Law Firm Announces the Filing of a Class Action Lawsuit Against Prothena Corporation plc and Encourages Investors with Losses in Excess of $100,000 to Contact the Firm ACCESSWIRE
12:18PM  EQUITY ALERT: Levi & Korsinsky, LLP Reminds Shareholders of Prothena Corporation of a Class Action Lawsuit and a Lead Plaintiff Deadline of July 16, 2018 PRTA GlobeNewswire
Jun-23-18 09:00AM  PRTA ALERT: Rosen Law Firm Reminds Prothena Corporation plc Investors of Important Deadline in Case PRTA Business Wire
08:37AM  SHAREHOLDER ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Prothena Corporation plc - PRTA ACCESSWIRE
Jun-22-18 05:30PM  SHAREHOLDER ACTION ALERT: The Schall Law Firm Announces the Filing of a Class Action Lawsuit Against Prothena Corporation plc and Encourages Investors with Losses in Excess of $100,000 to Contact the Firm ACCESSWIRE
03:30PM  INVESTOR ALERT: Levi & Korsinsky, LLP Reminds Shareholders of Prothena Corporation of a Class Action Lawsuit and a Lead Plaintiff Deadline of July 16, 2018 - PRTA ACCESSWIRE
12:20PM  SHAREHOLDER NOTICE: Pawar Law Group Announces a Securities Class Action Lawsuit Against Prothena Corporation plc - PRTA ACCESSWIRE
Jun-21-18 05:29PM  UPCOMING DEADLINES: The Klein Law Firm Reminds Investors of Class Actions on Behalf of Shareholders of PPG and PRTA GlobeNewswire
06:00AM  DEADLINE ALERT: Brower Piven Reminds Investors of Upcoming Deadline in Class Action Lawsuit and Encourages Those Who Have Losses in Excess of $100,000 from Investment in Prothena Corporation plc to Contact the Firm Business Wire
Jun-20-18 03:57PM  INVESTOR ALERT: Levi & Korsinsky, LLP Notifies Shareholders of Prothena Corporation of a Class Action Lawsuit and a Lead Plaintiff Deadline of July 16, 2018 - PRTA ACCESSWIRE
09:35AM  Scott+Scott Attorneys at Law LLP Reminds Investors of Securities Class Action Against Prothena Corporation plc (PRTA) PR Newswire
09:03AM  PRTA INVESTORS NOTICE: Lieff Cabraser Reminds Investors of Deadline in Class Action Against Prothena Corporation plc Business Wire
Jun-19-18 04:07PM  Prothena Announces Phase 1b Clinical Trial Results of PRX002/RG7935 for Parkinson's Disease Published in JAMA Neurology GlobeNewswire
04:00PM  SHAREHOLDER ALERT: The Law Offices of Vincent Wong Reminds Investors of Class Actions Involving Molina Healthcare, Inc., Esperion Therapeutics, Inc., PPG Industries, Inc., Prothena Corporation, and Fluor Corporation GlobeNewswire
Prothena Corporation plc, a late-stage clinical biotechnology company, focuses on the discovery, development, and commercialization of novel immunotherapies for the treatment of diseases in the neuroscience and orphan categories. The company is developing antibody-based product candidates that include NEOD001, a monoclonal antibody that is in Phase III and Phase IIb clinical trials for the treatment of AL amyloidosis; PRX002/RG7935 that is in Phase II clinical trial for treating Parkinson's disease and other related synucleinopathies; and PRX004, a monoclonal antibody that is under preclinical development for the treatment of ATTR Amyloidosis. Its discovery-stage programs include Tau for treating Alzheimer's disease, progressive supranuclear palsy, frontotemporal dementia, chronic traumatic encephalopathy, and other tauopathies; Aß, or Amyloid Beta for the treatment of Alzheimer's disease; ALECT2 for ALECT2 amyloidosis; TDP-43 for amyotrophic lateral sclerosis and frontotemporal dementia; and Sortilin for frontotemporal dementia and neuro inflammation. The company has a license, development, and commercialization agreement with F. Hoffmann-La Roche Ltd and Hoffmann-La Roche Inc. to develop and commercialize antibodies that target alpha-synuclein; and a collaboration agreement with Celgene Corporation to develop new therapies for a range of neurodegenerative diseases. Prothena Corporation plc was incorporated in 2012 and is headquartered in Dun Laoghaire, Ireland.