
Obsidian Therapeutics, Inc. operates as a clinical-stage biotechnology company developing engineered cell and gene therapies. The company is developing investigational therapies, including OBX-115, which is being evaluated in clinical trials for advanced solid tumors, advanced melanoma, and relapsed refractory non-small cell lung cancer. It utilizes a proprietary Cytodriver technology platform designed to regulate protein function using FDA-approved small-molecule drugs and is advancing tumor-infiltrating lymphocyte (TIL) cell therapies that leverage mbIL15 to enhance persistence, antitumor activity, and clinical safety.