Gritstone Oncology, Inc. (Nasdaq: GRTS), a clinical-stage biotechnology company developing the next generation of cancer immunotherapies to fight multiple cancer types, today reported financial results for the first quarter ended March 31, 2020 and reviewed business highlights. “We began this year by presenting the first-ever clinical data of its kind, demonstrating that an immunotherapy can prime and boost a strong CD8+ T cell response aga