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ERNA vs SPRB

Ernexa Therapeutics Inc. Common Stock and Spruce Biosciences, Inc. Common Stock

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Ernexa Therapeutics Inc. Common Stock

Ernexa Therapeutics Inc., a preclinical-stage company, develops induces derived mesenchymal stem cells (iMSC) therapies for the treatment of solid tumors and autoimmune disease. The company's lead product is ERNA-101, an allogenic pro-inflammatory cytokine (IL-7/IL-15) secreting iMSC for the treatment of ovarian cancer; and ERNA-102, an anti-inflammatory cytokine (IL-10) secreting iMSC for the treatment of rheumatoid arthritis. It has a license agreement with Factor Bioscience Limited. The company was formerly known as Eterna Therapeutics Inc. and changed its name to Ernexa Therapeutics in March 2025. Ernexa Therapeutics Inc. was founded in 2018 and is based in Cambridge, Massachusetts.

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Spruce Biosciences, Inc. Common Stock

Spruce Biosciences, Inc. is a biopharmaceutical company focused on developing and commercializing novel therapies for neurological disorders. The company develops TA-ERT, a fusion protein comprised of recombinant human alpha-N-acetylglucosaminidase, which is an enzyme replacement therapy for patients with Sanfilippo Syndrome Type B. It also develops Tildacerfont for treating a highly debilitating mental disorder characterized by depressed mood with cognitive-affective and somatic changes, including anhedonia, weight alterations, and altered sleeping patterns. In addition, the company develops SPR202 for the treatment of Congenital Adrenal Hyperplasia (CAH), a chronic and potentially life-threatening rare disease with no cure, and SPR204, a monoclonal antibody antagonist for Post-Bariatric Hypoglycemia. The company has a license agreement with Eli Lilly and Company to research, develop, and commercialize various pharmaceutical compounds. It also has a collaboration and license agreement with Kaken Pharmaceutical Co. Ltd. to develop, manufacture, and commercialize Tildacerfont for the treatment of CAH in Japan. Spruce Biosciences, Inc. was incorporated in 2014 and is headquartered in South San Francisco, California.

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