William Scully Buys Shares of PRTA $PRTA

Key Points

  • William Scully bought 125,000 shares of Prothena Corporation plc ($PRTA) worth $1.02 million.
  • $PRTA last traded around $8.25.

William Scully, insider at Prothena Corporation plc ($PRTA), bought 125,000 shares at an average price of $8.17, for a total transaction of $1.02 million. The trade was disclosed in a Form 4 filing with the Securities and Exchange Commission.

Prothena Corporation plc ($PRTA) Stock

Last price$8.25
Market cap$431.91M
Forward P/E-6.30
Beta-0.32
52-week low$5.29
52-week high$11.80
50-day MA$10.02
200-day MA$9.63
Current ratio10.43
Quick ratio10.13
Debt-to-equity0.02

Prothena Corporation plc Earnings

EPS (ttm)$-2.81
Revenue (ttm)$57.94M
Revenue growth1706.4%
Net margin-260.9%
Return on equity-40.3%
Next earningsMay 7, 2026

Analysts Set New Price Targets

Average target$21.40
High target$36.00
Low target$8.00
Analysts covering5

About Prothena Corporation plc

Prothena Corporation plc, a late-stage clinical biotechnology company, focuses on discovery and development of novel therapies to treat diseases caused by protein dysregulation. Its product pipeline includes Prasinezumab, an investigational humanized monoclonal antibody which is in Phase 3 clinical trial for the treatment of parkinson's disease and other synucleinopathies. The company also develops Coramitug, an investigational antibody, which is in Phase 3 clinical trial for the treatment of transthyretin amyloidosis; BMS-986446, an anti-tau antibody which is in Phase 2 clinical trial to treat Alzheimer's disease; PRX019, an investigational antibody which is in Phase 1 clinical trial for the treatment of neurodegenerative diseases; and PRX123, a Dual Aß-Tau Vaccine, which is in preclinical trial for treating Alzheimer's disease. In addition, it develops discovery- and late-preclinical-stage programs include TDP-43 CYTOPE for the treatment of amyotrophic lateral sclerosis; PRX012, a next-generation anti-Aß antibody which is in phase 1 clinical trial to treat Alzheimer's disease; and PRX012-TfR, a preclinical program for the treatment of Alzheimer's disease. It has a license, development, and commercialization agreement with F. Hoffmann-La Roche Ltd. and Hoffmann-La Roche Inc. to develop and commercialize antibodies that target a-synuclein, including prasinezumab; and master collaboration agreement with Bristol Myers Squibb to develop and commercialize antibodies targeting tau, TDP-43. Prothena Corporation plc was incorporated in 2012 and is based in Dublin, Ireland.

ExchangeNasdaqGS
SectorHealthcare
IndustryBiotechnology
HeadquartersDublin, Ireland
CEODr. Gene G. Kinney Ph.D.
Employees67

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