Sutro Biopharma, Inc. engages in the drug discovery, development and manufacture of pharmaceutical products. The company is headquartered in South San Francisco, California and currently employs 137 full-time employees. The company went IPO on 2018-09-27. The company designs and develops therapeutics using the relevant and potent modalities, including ADCs, bispecific ADCs, immunostimulatory ADCs, and dual conjugate ADCs. Enabled through its XpressCF and XpressCF+ platforms, it has entered multi-target, product-focused collaborations with pharmaceutical and biotechnology companies in the field of oncology, with its ongoing relationships that include licensing to Ipsen, on an exclusive basis, the right to research, develop, manufacture and commercialize STRO-003. STRO-003 is developed for the treatment of solid tumors. Its XpressCF and XpressCF platforms supports Vaxcyte, focused on discovery and development of vaccines for the treatment and prophylaxis of infectious disease.