A detailed history of Hm Payson & CO transactions in Prothena Corp Public LTD CO stock. As of the latest transaction made, Hm Payson & CO holds 600 shares of PRTA stock, worth $3,156. This represents 0.0% of its overall portfolio holdings.

Number of Shares
600
Previous 800 25.0%
Holding current value
$3,156
Previous $11,000 36.36%
% of portfolio
0.0%
Previous 0.0%

Shares

2 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q1 2025

Apr 29, 2025

SELL
$12.38 - $16.04 $2,476 - $3,208
-200 Reduced 25.0%
600 $7,000
Q4 2024

Feb 07, 2025

BUY
$11.95 - $18.35 $9,560 - $14,680
800 New
800 $11,000

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 $247M
  • 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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