Exagen Inc. Common Stock

Exagen, Inc. is a commercial-stage diagnostics company, which engages in transforming the care continuum for patients suffering from debilitating and chronic autoimmune diseases by enabling timely differential diagnosis and optimizing therapeutic intervention. The company is headquartered in Vista, California and currently employs 216 full-time employees. The company went IPO on 2019-09-19. The firm is focused on the design, development and commercialization of a portfolio of testing products under its AVISE brand, which allow for the differential diagnosis, prognosis and monitoring of complex rheumatic, autoimmune and autoimmune-related disease including, among others, systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA). Its testing products are supported by two proprietary technologies: its AVISE Lupus platform, which incorporates Cell-Bound Complement Activation Products (CB-CAPs) for diagnosing SLE, and a set of three biomarkers, the t-cell-based CB-CAP TC4d, along with two t-cell antibodies, TIgG, and TIgM (the T-Cell Biomarkers), all of which are incorporated into its AVISE CTD product. The Company’s flagship product, AVISE CTD, enables clinicians to more effectively diagnose complex autoimmune conditions.