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Last Close
Jun 21 04:00PM ET
21.48
Dollar change
+1.82
Percentage change
9.26
%
IndexRUT P/E- EPS (ttm)-3.25 Insider Own13.68% Shs Outstand53.68M Perf Week0.51%
Market Cap1.15B Forward P/E- EPS next Y-4.27 Insider Trans-0.07% Shs Float46.42M Perf Month-0.79%
Income-172.40M PEG- EPS next Q-1.22 Inst Own98.57% Short Float14.46% Perf Quarter-16.06%
Sales89.25M P/S12.94 EPS this Y-70.21% Inst Trans-4.11% Short Ratio13.01 Perf Half Y-42.58%
Book/sh9.35 P/B2.30 EPS next Y9.18% ROA-25.26% Short Interest6.71M Perf Year-69.23%
Cash/sh10.19 P/C2.11 EPS next 5Y34.07% ROE-31.07% 52W Range18.69 - 73.14 Perf YTD-40.89%
Dividend Est.- P/FCF- EPS past 5Y6.83% ROI-33.64% 52W High-70.63% Beta0.20
Dividend TTM- Quick Ratio13.08 Sales past 5Y4680.14% Gross Margin78.39% 52W Low14.93% ATR (14)1.24
Dividend Ex-Date- Current Ratio13.08 EPS Y/Y TTM-23.02% Oper. Margin-242.28% RSI (14)52.13 Volatility6.98% 5.35%
Employees173 Debt/Eq0.02 Sales Y/Y TTM62.51% Profit Margin-193.17% Recom1.44 Target Price64.75
Option/ShortYes / Yes LT Debt/Eq0.02 EPS Q/Q-50.67% Payout- Rel Volume6.27 Prev Close19.66
Sales Surprise-97.69% EPS Surprise-15.77% Sales Q/Q-97.69% EarningsMay 08 AMC Avg Volume515.69K Price21.48
SMA203.20% SMA500.37% SMA200-33.53% Trades Volume3,231,944 Change9.26%
Date Action Analyst Rating Change Price Target Change
Jan-30-24Downgrade BofA Securities Buy → Neutral $68 → $38
Dec-12-23Initiated Deutsche Bank Buy $62
Apr-24-23Initiated SVB Securities Outperform $80
Jan-27-23Initiated Piper Sandler Overweight $94
Nov-04-22Downgrade RBC Capital Mkts Outperform → Sector Perform $52 → $55
Sep-28-22Upgrade BofA Securities Neutral → Buy
Nov-19-21Initiated JMP Securities Mkt Outperform $77
Jun-18-21Upgrade BofA Securities Underperform → Neutral $12 → $49
Jun-08-21Reiterated Oppenheimer Outperform $45 → $54
May-26-21Initiated Citigroup Buy $39
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Prothena Corp. Plc is a clinical-stage neuroscience company, which engages in the discovery and development of novel therapies to change the course of devastating diseases. The firm's clinical pipeline includes both wholly owned and partnered programs being developed for the potential treatment of diseases including AL amyloidosis, ATTR amyloidosis, Alzheimer's disease, Parkinson's disease and other neurodegenerative diseases. The company was founded in December 1969 and is headquartered in Dublin, Ireland.
Insider Trading Relationship Date Transaction Cost #Shares Value ($) #Shares Total SEC Form 4
Walker Karin LChief Accounting OfficerJan 24 '24Option Exercise13.535,00067,6505,000Jan 24 07:01 PM
Walker Karin LChief Accounting OfficerJan 24 '24Sale34.005,000170,0000Jan 24 07:01 PM
Walker Karin LChief Accounting OfficerDec 20 '23Option Exercise13.535,00067,6505,000Dec 20 07:17 PM
Walker Karin LChief Accounting OfficerDec 20 '23Sale37.195,000185,9520Dec 20 07:17 PM
Walker Karin LChief Accounting OfficerNov 30 '23Option Exercise13.535,00067,6505,000Nov 30 06:24 PM
Walker Karin LChief Accounting OfficerNov 30 '23Sale34.005,000170,0000Nov 30 06:24 PM
Walker Karin LChief Accounting OfficerOct 25 '23Option Exercise13.535,00067,6505,000Oct 25 08:03 PM
Walker Karin LChief Accounting OfficerOct 25 '23Sale41.045,000205,1910Oct 25 08:03 PM
Smith Brandon S.Chief Operating OfficerOct 11 '23Option Exercise11.124,00044,4804,000Oct 11 08:25 PM
Smith Brandon S.Chief Operating OfficerOct 11 '23Sale46.754,000186,9850Oct 11 08:25 PM
Karp Carol D.Chief Regulatory OfficerOct 04 '23Option Exercise12.155,00060,7505,000Oct 04 07:52 PM
Karp Carol D.Chief Regulatory OfficerOct 04 '23Sale46.625,000233,0840Oct 04 07:52 PM
Malecek Michael JChief Legal OfficerSep 27 '23Option Exercise10.275,00051,3505,000Sep 27 08:35 PM
Malecek Michael JChief Legal OfficerSep 27 '23Sale47.385,000236,8850Sep 27 08:35 PM
Walker Karin LChief Accounting OfficerSep 19 '23Option Exercise15.045,00075,2005,000Sep 19 05:37 PM
Walker Karin LChief Accounting OfficerSep 19 '23Sale52.365,000261,8070Sep 19 05:37 PM
Garren HidekiChief Medical OfficerSep 13 '23Option Exercise24.902,00049,8002,000Sep 13 07:33 PM
Smith Brandon S.Chief Operating OfficerSep 13 '23Option Exercise11.124,00044,4804,000Sep 13 07:32 PM
Smith Brandon S.Chief Operating OfficerSep 13 '23Sale55.494,000221,9630Sep 13 07:32 PM
Garren HidekiChief Medical OfficerSep 13 '23Sale55.482,000110,9520Sep 13 07:33 PM
Karp Carol D.Chief Regulatory OfficerSep 06 '23Option Exercise12.155,00060,7505,000Sep 06 07:42 PM
Karp Carol D.Chief Regulatory OfficerSep 06 '23Sale54.765,000273,8040Sep 06 07:42 PM
Malecek Michael JChief Legal OfficerAug 30 '23Option Exercise10.275,00051,3505,000Aug 30 07:24 PM
Malecek Michael JChief Legal OfficerAug 30 '23Sale55.015,000275,0660Aug 30 07:24 PM
Walker Karin LChief Accounting OfficerAug 18 '23Option Exercise15.045,00075,2005,000Aug 18 08:37 PM
Walker Karin LChief Accounting OfficerAug 18 '23Sale57.185,000285,9220Aug 18 08:37 PM
Garren HidekiChief Medical OfficerAug 16 '23Option Exercise24.902,00049,8002,000Aug 16 09:15 PM
Smith Brandon S.Chief Operating OfficerAug 16 '23Option Exercise11.124,00044,4804,000Aug 16 09:15 PM
Smith Brandon S.Chief Operating OfficerAug 16 '23Sale58.714,000234,8440Aug 16 09:15 PM
Garren HidekiChief Medical OfficerAug 16 '23Sale58.742,000117,4800Aug 16 09:15 PM
Karp Carol D.Chief Regulatory OfficerAug 02 '23Option Exercise12.155,00060,7505,000Aug 02 09:00 PM
Zago Wagner M.Chief Scientific OfficerAug 02 '23Option Exercise12.154,00048,6004,000Aug 02 09:00 PM
Karp Carol D.Chief Regulatory OfficerAug 02 '23Sale67.015,000335,0720Aug 02 09:00 PM
Zago Wagner M.Chief Scientific OfficerAug 02 '23Sale67.054,000268,1820Aug 02 09:00 PM
Malecek Michael JChief Legal OfficerJul 26 '23Option Exercise10.275,00051,3505,000Jul 26 07:45 PM
Malecek Michael JChief Legal OfficerJul 26 '23Sale62.335,000311,6380Jul 26 07:45 PM
Walker Karin LChief Accounting OfficerJul 19 '23Option Exercise15.045,00075,2005,000Jul 19 08:50 PM
Walker Karin LChief Accounting OfficerJul 19 '23Sale69.195,000345,9430Jul 19 08:50 PM
Garren HidekiChief Medical OfficerJul 12 '23Option Exercise24.902,00049,8002,000Jul 12 08:45 PM
Smith Brandon S.Chief Operating OfficerJul 12 '23Option Exercise11.124,00044,4804,000Jul 12 08:45 PM
Smith Brandon S.Chief Operating OfficerJul 12 '23Sale67.514,000270,0260Jul 12 08:45 PM
Garren HidekiChief Medical OfficerJul 12 '23Sale67.512,000135,0270Jul 12 08:45 PM
Karp Carol D.Chief Regulatory OfficerJul 05 '23Option Exercise12.155,00060,7505,000Jul 05 09:33 PM
Zago Wagner M.Chief Scientific OfficerJul 05 '23Option Exercise12.154,00048,6004,000Jul 05 09:32 PM
Karp Carol D.Chief Regulatory OfficerJul 05 '23Sale68.135,000340,6360Jul 05 09:33 PM
Zago Wagner M.Chief Scientific OfficerJul 05 '23Sale68.164,000272,6480Jul 05 09:32 PM
Selkoe Dennis J.DirectorJul 03 '23Option Exercise11.335,00056,6507,845Jul 03 06:16 PM
Selkoe Dennis J.DirectorJul 03 '23Sale67.435,000337,1502,845Jul 03 06:16 PM
Malecek Michael JChief Legal OfficerJun 28 '23Option Exercise10.275,00051,3505,000Jun 28 08:45 PM
Malecek Michael JChief Legal OfficerJun 28 '23Sale69.825,000349,1180Jun 28 08:45 PM