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PRTA vs QCLS

Prothena Corporation plc Ordinary Shares and Q/C Technologies, Inc. Common Stock

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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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Q/C Technologies, Inc. Common Stock

Q/C Technologies, Inc., a clinical-stage pharmaceutical company, focuses on developing and commercializing therapeutic platforms based on various therapeutic targets. The company develops Isomyosamine, a clinical stage small molecule that regulates the immunometabolic system to treat autoimmune disease, including sarcopenia, frailty, adverse effects of drugs used to treat diabetes and obesity, rheumatoid arthritis, and inflammatory bowel disease. It also develops Supera-CBD, a synthetic analog of derivative of cannabidiol (CBD) to treat various conditions, including epilepsy, pain and anxiety/depression. The company has a strategic alliance with DADA2 Foundation for research into the rare inflammatory disease DADA2 (Deficiency of Adenosine Deaminase 2). The company was formerly known as TNF Pharmaceuticals, Inc. and changed its name to Q/C Technologies, Inc. in September 2025. The company was founded in 2014 and is headquartered in New York, New York.

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