Humanigen, Inc. (HGEN) is a clinical-stage biopharmaceutical company seeking to transform the treatment of cancers and infectious diseases, including COVID-19, by preventing and treating cytokine storm via its novel, cutting-edge anti-human granulocyte macrophage-colony stimulating factor (GM-CSF) monoclonal antibody neutralization and gene-knockout platforms. Its proprietary Humaneered® monoclonal antibodies, designed to optimize antibody properties, show promise in prevention/treatment of cytokine storm induced by SARS-CoV-2 (COVID-19), chimeric antigen receptor T-cell (CAR-T) therapy and graft versus host disease (GvHD) by neutralizing GM-CSF which is up-regulated in these conditions.