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PRTA | Prothena Corporation plc

IndexRUT P/E- EPS (ttm)-2.78 Insider Own5.35% Shs Outstand52.10M Perf Week-5.39%
Market Cap2.58B Forward P/E- EPS next Y-4.07 Insider Trans-9.83% Shs Float50.67M Perf Month-11.26%
Income-140.87M PEG- EPS next Q-0.32 Inst Own96.62% Short Float / Ratio8.44% / 11.18 Perf Quarter-29.34%
Sales57.63M P/S44.83 EPS this Y-34.80% Inst Trans-4.08% Short Interest4.28M Perf Half Y1.24%
Book/sh10.87 P/B4.44 EPS next Y-22.35% ROA-22.18% Target Price93.33 Perf Year-16.81%
Cash/sh12.34 P/C3.91 EPS next 5Y-0.60% ROE-28.49% 52W Range45.06 - 79.65 Perf YTD-19.92%
Dividend- P/FCF- EPS past 5Y9.51% ROI-24.22% 52W High-39.42% Beta0.42
Dividend %- Quick Ratio9.46 Sales past 5Y4646.93% Gross Margin- 52W Low7.08% ATR2.22
Employees127 Current Ratio9.46 Sales Q/Q206.33% Oper. Margin-300.61% RSI (14)32.37 Volatility5.56% 3.93%
OptionableYes Debt/Eq0.01 EPS Q/Q-16.63% Profit Margin-244.45% Rel Volume0.79 Prev Close48.83
ShortableYes LT Debt/Eq0.00 EarningsAug 03 AMC Payout- Avg Volume382.33K Price48.25
Recom1.22 SMA20-7.61% SMA50-16.24% SMA200-18.16% Volume303,884 Change-1.19%
Date Action Analyst Rating Change Price Target Change
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
Feb-26-21Upgrade RBC Capital Mkts Sector Perform → Outperform $14 → $28
Feb-12-21Upgrade Jefferies Hold → Buy $15 → $30
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Prothena Corp. Plc is a clinical-stage neuroscience company. It focuses on the discovery and development of novel therapies to change the course of devastating diseases. The firm's clinical pipeline includes both wholly-owned and partnered programs being developed for the potential treatment of diseases including AL amyloidosis, ATTR amyloidosis, Alzheimer's disease, Parkinson's disease and other neurodegenerative diseases. The company was founded in December 1969 and is headquartered in Dublin, Ireland.
Insider Trading Relationship Date Transaction Cost #Shares Value ($) #Shares Total SEC Form 4
Malecek Michael JChief Legal OfficerSep 27Option Exercise10.275,00051,3505,000Sep 27 08:35 PM
Malecek Michael JChief Legal OfficerSep 27Sale47.385,000236,8850Sep 27 08:35 PM
Walker Karin LChief Accounting OfficerSep 19Option Exercise15.045,00075,2005,000Sep 19 05:37 PM
Walker Karin LChief Accounting OfficerSep 19Sale52.365,000261,8070Sep 19 05:37 PM
Garren HidekiChief Medical OfficerSep 13Option Exercise24.902,00049,8002,000Sep 13 07:33 PM
Smith Brandon S.Chief Operating OfficerSep 13Option Exercise11.124,00044,4804,000Sep 13 07:32 PM
Smith Brandon S.Chief Operating OfficerSep 13Sale55.494,000221,9630Sep 13 07:32 PM
Garren HidekiChief Medical OfficerSep 13Sale55.482,000110,9520Sep 13 07:33 PM
Karp Carol D.Chief Regulatory OfficerSep 06Option Exercise12.155,00060,7505,000Sep 06 07:42 PM
Karp Carol D.Chief Regulatory OfficerSep 06Sale54.765,000273,8040Sep 06 07:42 PM
Malecek Michael JChief Legal OfficerAug 30Option Exercise10.275,00051,3505,000Aug 30 07:24 PM
Malecek Michael JChief Legal OfficerAug 30Sale55.015,000275,0660Aug 30 07:24 PM
Walker Karin LChief Accounting OfficerAug 18Option Exercise15.045,00075,2005,000Aug 18 08:37 PM
Walker Karin LChief Accounting OfficerAug 18Sale57.185,000285,9220Aug 18 08:37 PM
Garren HidekiChief Medical OfficerAug 16Option Exercise24.902,00049,8002,000Aug 16 09:15 PM
Smith Brandon S.Chief Operating OfficerAug 16Option Exercise11.124,00044,4804,000Aug 16 09:15 PM
Smith Brandon S.Chief Operating OfficerAug 16Sale58.714,000234,8440Aug 16 09:15 PM
Garren HidekiChief Medical OfficerAug 16Sale58.742,000117,4800Aug 16 09:15 PM
Karp Carol D.Chief Regulatory OfficerAug 02Option Exercise12.155,00060,7505,000Aug 02 09:00 PM
Zago Wagner M.Chief Scientific OfficerAug 02Option Exercise12.154,00048,6004,000Aug 02 09:00 PM
Karp Carol D.Chief Regulatory OfficerAug 02Sale67.015,000335,0720Aug 02 09:00 PM
Zago Wagner M.Chief Scientific OfficerAug 02Sale67.054,000268,1820Aug 02 09:00 PM
Malecek Michael JChief Legal OfficerJul 26Option Exercise10.275,00051,3505,000Jul 26 07:45 PM
Malecek Michael JChief Legal OfficerJul 26Sale62.335,000311,6380Jul 26 07:45 PM
Walker Karin LChief Accounting OfficerJul 19Option Exercise15.045,00075,2005,000Jul 19 08:50 PM
Walker Karin LChief Accounting OfficerJul 19Sale69.195,000345,9430Jul 19 08:50 PM
Garren HidekiChief Medical OfficerJul 12Option Exercise24.902,00049,8002,000Jul 12 08:45 PM
Smith Brandon S.Chief Operating OfficerJul 12Option Exercise11.124,00044,4804,000Jul 12 08:45 PM
Smith Brandon S.Chief Operating OfficerJul 12Sale67.514,000270,0260Jul 12 08:45 PM
Garren HidekiChief Medical OfficerJul 12Sale67.512,000135,0270Jul 12 08:45 PM
Karp Carol D.Chief Regulatory OfficerJul 05Option Exercise12.155,00060,7505,000Jul 05 09:33 PM
Zago Wagner M.Chief Scientific OfficerJul 05Option Exercise12.154,00048,6004,000Jul 05 09:32 PM
Karp Carol D.Chief Regulatory OfficerJul 05Sale68.135,000340,6360Jul 05 09:33 PM
Zago Wagner M.Chief Scientific OfficerJul 05Sale68.164,000272,6480Jul 05 09:32 PM
Selkoe Dennis J.DirectorJul 03Option Exercise11.335,00056,6507,845Jul 03 06:16 PM
Selkoe Dennis J.DirectorJul 03Sale67.435,000337,1502,845Jul 03 06:16 PM
Malecek Michael JChief Legal OfficerJun 28Option Exercise10.275,00051,3505,000Jun 28 08:45 PM
Malecek Michael JChief Legal OfficerJun 28Sale69.825,000349,1180Jun 28 08:45 PM
Garren HidekiChief Medical OfficerJun 16Option Exercise24.907,331182,5427,331Jun 16 07:31 PM
Garren HidekiChief Medical OfficerJun 16Sale74.007,331542,4940Jun 16 07:31 PM
Garren HidekiChief Medical OfficerJun 14Option Exercise24.904,669116,2584,669Jun 14 09:15 PM
Smith Brandon S.Chief Operating OfficerJun 14Option Exercise11.125,33359,3035,333Jun 14 09:15 PM
Smith Brandon S.Chief Operating OfficerJun 14Sale73.985,333394,5620Jun 14 09:15 PM
Garren HidekiChief Medical OfficerJun 14Sale74.224,669346,5160Jun 14 09:15 PM
Zago Wagner M.Chief Scientific OfficerJun 07Option Exercise26.0919,000495,75019,000Jun 07 09:49 PM
Karp Carol D.Chief Regulatory OfficerJun 07Option Exercise13.1920,000263,70020,000Jun 07 09:49 PM
Karp Carol D.Chief Regulatory OfficerJun 07Sale71.0520,0001,421,0090Jun 07 09:49 PM
Zago Wagner M.Chief Scientific OfficerJun 07Sale71.0619,0001,350,2240Jun 07 09:49 PM
Malecek Michael JChief Legal OfficerMay 31Option Exercise10.275,00051,3505,000May 31 09:30 PM
Malecek Michael JChief Legal OfficerMay 31Sale64.645,000323,2230May 31 09:30 PM
Walker Karin LChief Accounting OfficerMay 19Option Exercise15.045,00075,2005,000May 19 09:31 PM
Walker Karin LChief Accounting OfficerMay 19Sale74.005,000369,9780May 19 09:31 PM
Nguyen TranChief Strategy Officer and CFOMay 17Option Exercise26.1595,0002,483,95098,200May 17 09:53 PM
Kinney Gene G.President and CEOMay 17Option Exercise29.8145,0001,341,45057,793May 17 09:54 PM
Nguyen TranChief Strategy Officer and CFOMay 17Sale73.9995,0007,028,9213,200May 17 09:53 PM
Kinney Gene G.President and CEOMay 17Sale73.7045,0003,316,29212,793May 17 09:54 PM
Selkoe Dennis J.DirectorMay 03Option Exercise18.0715,000271,11017,845May 05 09:30 PM
Selkoe Dennis J.DirectorMay 03Sale57.0015,000855,0002,845May 05 09:30 PM
Malecek Michael JChief Legal OfficerApr 26Option Exercise10.275,00051,3505,000Apr 28 09:30 PM
Malecek Michael JChief Legal OfficerApr 26Sale53.465,000267,2920Apr 28 09:30 PM
Walker Karin LChief Accounting OfficerApr 19Option Exercise15.045,00075,2005,000Apr 21 09:30 PM
Walker Karin LChief Accounting OfficerApr 19Sale52.905,000264,4800Apr 21 09:30 PM
Malecek Michael JChief Legal OfficerMar 29Option Exercise10.275,00051,3505,000Mar 31 09:31 PM
Malecek Michael JChief Legal OfficerMar 29Sale49.025,000245,1230Mar 31 09:31 PM
Walker Karin LChief Accounting OfficerMar 20Option Exercise15.045,00075,2005,000Mar 22 09:30 PM
Walker Karin LChief Accounting OfficerMar 20Sale47.725,000238,6100Mar 22 09:30 PM
Walker Karin LChief Accounting OfficerMar 15Option Exercise15.0420,000300,80020,000Mar 17 09:32 PM
Garren HidekiChief Medical OfficerMar 15Option Exercise24.9012,000298,80012,000Mar 17 09:30 PM
Malecek Michael JChief Legal OfficerMar 15Option Exercise10.2715,000154,05015,000Mar 17 09:31 PM
Nguyen TranChief Strategy Officer and CFOMar 15Option Exercise6.7310,00067,30013,200Mar 17 09:31 PM
Walker Karin LChief Accounting OfficerMar 15Sale48.4220,000968,3460Mar 17 09:32 PM
Malecek Michael JChief Legal OfficerMar 15Sale48.4415,000726,5920Mar 17 09:31 PM
Garren HidekiChief Medical OfficerMar 15Sale48.4112,000580,9360Mar 17 09:30 PM
Nguyen TranChief Strategy Officer and CFOMar 15Sale48.4310,000484,3143,200Mar 17 09:31 PM
Nguyen TranChief Strategy Officer and CFOFeb 15Option Exercise6.7310,00067,30013,200Feb 17 09:30 PM
Nguyen TranChief Strategy Officer and CFOFeb 15Sale53.3410,000533,3973,200Feb 17 09:30 PM
Nguyen TranChief Strategy Officer and CFOJan 18Option Exercise6.7310,00067,30013,200Jan 20 09:30 PM
Nguyen TranChief Strategy Officer and CFOJan 18Sale55.5310,000555,3063,200Jan 20 09:30 PM
Cooke ShaneDirectorJan 10Option Exercise6.415,00032,0505,000Jan 12 09:31 PM
Cooke ShaneDirectorJan 10Sale52.925,000264,6080Jan 12 09:31 PM
COLLIER RICHARD TDirectorJan 05Option Exercise6.415,00032,0506,219Jan 05 09:38 PM
COLLIER RICHARD TDirectorJan 05Sale52.675,000263,3501,219Jan 05 09:38 PM
Ekman LarsChair of the BoardJan 03Option Exercise6.4115,834101,49616,077Jan 05 09:42 PM
Ekman LarsChair of the BoardJan 03Sale55.9815,834886,407243Jan 05 09:42 PM
Nguyen TranChief Strategy Officer and CFODec 21Option Exercise6.7310,00067,30013,200Dec 23 09:30 PM
Nguyen TranChief Strategy Officer and CFODec 21Sale58.9710,000589,6903,200Dec 23 09:30 PM
Cooke ShaneDirectorDec 12Option Exercise6.415,00032,0505,000Dec 12 09:31 PM
Cooke ShaneDirectorDec 12Sale61.045,000305,1910Dec 12 09:31 PM
COLLIER RICHARD TDirectorDec 05Option Exercise6.415,00032,0506,219Dec 05 09:47 PM
COLLIER RICHARD TDirectorDec 05Sale62.075,000310,3561,219Dec 05 09:47 PM
Ekman LarsChair of the BoardDec 01Option Exercise6.4115,834101,49616,077Dec 02 09:30 PM
Garren HidekiChief Medical OfficerDec 01Option Exercise24.904,00099,6004,000Dec 02 09:30 PM
Ekman LarsChair of the BoardDec 01Sale61.6015,834975,406243Dec 02 09:30 PM
Garren HidekiChief Medical OfficerDec 01Sale62.514,000250,0400Dec 02 09:30 PM
Malecek Michael JChief Legal OfficerNov 30Option Exercise10.275,00051,3505,000Dec 02 09:30 PM
Malecek Michael JChief Legal OfficerNov 30Sale62.285,000311,3760Dec 02 09:30 PM
Nguyen TranChief Strategy Officer and CFONov 23Option Exercise6.7310,00067,30013,200Nov 25 09:31 PM
Nguyen TranChief Strategy Officer and CFONov 23Sale61.0910,000610,8543,200Nov 25 09:31 PM
Walker Karin LChief Accounting OfficerNov 18Option Exercise15.0410,000150,40010,000Nov 18 09:32 PM
Walker Karin LChief Accounting OfficerNov 18Sale57.0710,000570,7090Nov 18 09:32 PM