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CSTL vs IVF

Castle Biosciences, Inc. Common Stock and INVO Fertility, Inc. Common Stock

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Castle Biosciences, Inc. Common Stock

Castle Biosciences, Inc., a molecular diagnostics company, provides test solutions for the diagnosis and treatment of dermatologic cancers, Barrett's esophagus (BE), uveal melanoma, and mental health conditions. The company offers DecisionDx-Melanoma, a risk stratification gene expression profile (GEP) test that predicts the risk of metastasis for patients with uveal melanoma; DecisionDx-SCC, a risk stratification test for cutaneous squamous cell carcinoma; MyPath Melanoma, a diagnostic GEP test for use in patients with difficult-to-diagnose melanocytic lesions; and TissueCypher, a risk stratification spatial-omics test to predict future development of progression of high-grade dysplasia and/or esophageal cancer in patients with non-dysplastic, indefinite dysplasia, and low-grade dysplasia BE. It also provides DecisionDx-UM, a risk stratification GEP test that predicts the risk of metastasis for patients with uveal melanoma; and IDgenetix, a pharmacogenomic test that helps guide optimal drug treatment for patients diagnosed with major depressive disorder, schizophrenia, bipolar disorder, anxiety disorders, social phobia, obsessive-compulsive personality disorder, post-traumatic stress disorder, and attention deficit hyperactivity disorder. The company offers its products to skin cancer and gastroenterology markets. The company was incorporated in 2007 and is headquartered in Friendswood, Texas.

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INVO Fertility, Inc. Common Stock

INVO Fertility, Inc., a healthcare services company, focuses on the fertility marketplace that provides assisted reproductive technology care to patients. It operates through Fertility Clinic Services; INVOcell Device; and Therapeutics segments. The company offers INVOcell Device, a medical device that allows fertilization and early embryo development to take place in vivo within the woman's body. It also operates fertility clinics, including INVO Centers. In addition, the company develops NY-303, a GPC3 x NKp46 bifunctional antibody that is in Phase i/ii a monotherapy trial for the treatment of hepatocellular carcinoma; and NY-500, an AI-optimized bifunctional antibody. The company was formerly known as NAYA Biosciences, Inc. and changed its name to INVO Fertility, Inc. in April 2025. INVO Fertility, Inc. was founded in 2007 and is based in Sarasota, Florida.

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