Put Options

9 transactions
Quarter Operation Price Per put puts change puts Held SEC Form
Q4 2023

Jan 18, 2024

BUY
$32.31 - $52.32 $423,261 - $685,392
13,100 New
13,100 $26,000
Q4 2022

Feb 07, 2023

SELL
$52.05 - $65.0 $104,100 - $130,000
-2,000 Reduced 71.43%
800 $0
Q3 2022

Oct 25, 2022

BUY
$25.16 - $60.63 $70,448 - $169,764
2,800 New
2,800 $4,000
Q4 2018

Feb 05, 2019

SELL
$8.73 - $13.74 $362,295 - $570,210
-41,500 Closed
0 $0
Q3 2018

Nov 07, 2018

BUY
$12.7 - $15.79 $440,690 - $547,913
34,700 Added 510.29%
41,500 $54,000
Q2 2018

Aug 10, 2018

SELL
$10.99 - $44.21 $81,326 - $327,154
-7,400 Reduced 52.11%
6,800 $5,000
Q1 2018

May 11, 2018

BUY
$27.95 - $45.04 $47,515 - $76,568
1,700 Added 13.6%
14,200 $258,000
Q4 2017

Jan 17, 2018

BUY
$35.44 - $63.76 $92,144 - $165,776
2,600 Added 26.26%
12,500 $230,000
Q3 2017

Oct 17, 2017

BUY
$53.83 - $67.75 $532,917 - $670,725
9,900
9,900 $112,000

Others Institutions Holding PRTA

About PROTHENA CORP PUBLIC LTD CO


  • Ticker PRTA
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 46,922,800
  • Market Cap $723M
  • 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...
More about PRTA
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