Tang Capital Management LLC Prothena Corp Public LTD CO Transaction History

Tang Capital Management LLC

6 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q4 2020 Feb 16, 2021	SELL	$10.12 - $13.94 $1.81 Million - $2.49 Million	-178,688 Closed	0 $0
Q3 2020 Nov 16, 2020	SELL	$9.93 - $13.47 $944,690 - $1.28 Million	-95,135 Reduced 34.74%	178,688 $1.79 Million
Q2 2020 Aug 14, 2020	SELL	$9.56 - $12.51 $1.43 Million - $1.88 Million	-150,000 Reduced 35.39%	273,823 $2.86 Million
Q3 2019 Nov 14, 2019	BUY	$6.89 - $10.45 $689,000 - $1.04 Million	100,000 Added 30.88%	423,823 $3.32 Million
Q1 2019 May 15, 2019	BUY	$10.32 - $14.49 $2.85 Million - $4 Million	276,213 Added 580.16%	323,823 $3.93 Million
Q4 2018 Feb 14, 2019	BUY	$8.73 - $13.74 $415,635 - $654,161	47,610 New	47,610 $490,000

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42.7M

162K

102K

Ticker PRTA
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 46,922,800
Market Cap $612M
Description
Prothena Corporation plc, a late-stage clinical company, focuses on discovery and development of novel therapies for life-threatening diseases in the United States. The company is involved in developing Birtamimab, an investigational humanized antibody that is in Phase III clinical trial for the treatment of AL amyloidosis; Prasinezumab, a human...

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