STOCK PURCHASE AGREEMENT BY AND AMONG REPLIGEN CORPORATION, C TECHNOLOGIES, INC., AND CRAIG HARRISON Dated as of April 25, 2019Stock Purchase Agreement • April 26th, 2019 • Repligen Corp • Biological products, (no disgnostic substances) • New York
Contract Type FiledApril 26th, 2019 Company Industry JurisdictionTHIS STOCK PURCHASE AGREEMENT (this “Agreement”) is made and entered into as of April 25, 2019, by and among Repligen Corporation, a Delaware corporation (the “Purchaser”), C Technologies, Inc., a New Jersey corporation (the “Company”), and Craig Harrison, an individual (the “Stockholder” and, together with the Company, the “Seller Parties”).