Alpine Immune Sciences, Inc. Common Stock, also called Alpine Immune Sciences, is a development-stage pharmaceutical company. Read More The firm engages in the discovering of protein-based immunotherapies therapies targeting the immune synapse to treat cancer, autoimmune, and inflammatory disorders. It offers Immunotherapy, Immune Synapse, vIgD Platform Technology, and TIP Program. The company was founded in 2015 and is headquartered in Seattle, WA. The listed name for ALPN is Alpine Immune Sciences, Inc. Common Stock.