Nektar Therapeutics is a clinical-stage, research-based drug discovery biopharmaceutical company. The Company is focused on discovering and developing medicines in the field of immunotherapy. The Company has a research and development pipeline of investigational medicines in immunology and oncology. In oncology, it is focused on developing medicines based on targeting biological pathways that stimulate and sustain the body’s immune response to fight cancer. Its pipeline includes NKTR-255, Rezpegaldesleukin (REZPEG) and NKTR-0165. NKTR-255 is an investigational biologic that is designed to target the interleukin-15 (IL-15) pathway in order to activate the body’s innate and adaptive immunity. Its Rezpegaldesleukin pipeline is an investigational, potential first-in-class T regulatory cell stimulator that addresses this underlying immune system imbalance in people with many autoimmune and inflammatory conditions. Rezpegaldesleukin is being developed as a self-administered injection.