| Nasdaq: RGEN
Repligen Corp. is a life sciences company, which focuses on the development, production and commercialization of products used in the process of manufacturing biological drugs. The company also manufactures Protein A, a critical reagent used to separate and purify monoclonal antibody therapeutics. The company has developed and markets a series of OPUS line of pre-packed plug-and-play chromatography columns used for biologics purification and sells test kits to ensure final product quality. Repligen was founded by Alexander Rich in May 1981 and is headquartered in Waltham, MA.