REGENXBIO, Inc. is a clinical-stage biotechnology company, which engages in the development, commercialization, and licensing of recombinant adeno-associated virus gene therapy. Its product candidates include the NAV Technology Platform, which consists of exclusive rights to novel adeno-associated viral vectors, and therapeutic programs such as RGX-314, RGX-202, RGX-121, RGX-111, RGX-181, and RGX-381. The company was founded by Kenneth T. Mills and James M. Wilson on July 16, 2008 and is headquartered in Rockville, MD.