4D Molecular Therapeutics, Inc. is a clinical-stage biopharmaceutical company, which engages in the business of unlocking the full potential of genetic medicines to treat large market diseases in ophthalmology and pulmonology. The firm also offers product candidates focused on large market ophthalmology, pulmonology, and cardiology. The company was founded by David H. Kirn, Melissa Kotterman, Theresa Janke, and David Schaffer on September 12, 2013 and is headquartered in Emeryville, CA.