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HYPD vs PRTA

Hyperion DeFi, Inc. Common Stock and Prothena Corporation plc Ordinary Shares

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Hyperion DeFi, Inc. Common Stock

Hyperion DeFi, Inc., an ophthalmic technology company, engages in development and commercialization of ophthalmic solutions in the United States. The company offers Optejet, a topical ophthalmic medication dispensing platform services. It has a license agreement with Bausch Health Ireland Limited to develop and commercialize MicroPine in the United States and Canada; a license agreement with Arctic Vision (Hong Kong) Limited to develop and commercialize MicroPine, MicroLine, and Mydcombi in China and South Korea; Senju Pharmaceutical Co., Ltd. to develop and commercialize MicroPine, MicroLine, and Mydcombi; and agreement with Formosa Pharmaceuticals. Inc. for Co-Development of Clobetasol Propionate Ophthalmic Suspension (0.05%) for the Treatment of Acute Dry Eye Disease in the U.S. The company was formerly known as Eyenovia, Inc. and changed its name to Hyperion DeFi, Inc. in July 2025. Hyperion DeFi, Inc. was founded in 2014 and is based in New York, New York.

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Prothena Corporation plc Ordinary Shares

Prothena Corporation plc, a late-stage clinical biotechnology company, focuses on discovery and development of novel therapies to treat diseases caused by protein dysregulation in the United States. Its product pipeline include Prasinezumab, an investigational humanized monoclonal antibody which is in phase 2b clinical trial, as well as phase 1 and 2 clinical trials for the treatment of parkinson's disease and other synucleinopathies. The company also develops Coramitug, an investigational antibody, which is in phase 2 clinical trial for potential treatment of transthyretin amyloidosis; BMS-986446, an investigational antibody, which is in phase 2 clinical trial to treat Alzheimer's disease; PRX012, an investigational antibody, which is in phase 1 clinical trial to treat Alzheimer's disease; PRX123, a Dual Aß-Tau Vaccine, which is in preclinical trial for treating Alzheimer's disease; and PRX019, an investigational antibody, which is in phase 1 clinical trial for the potential treatment of neurodegenerative diseases. 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.

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