Emergent BioSolutions Inc. (NYSE:EBS) announced today that it has completed its acquisition of raxibacumab, a fully human monoclonal antibody approved by the U.S. Food and Drug Administration (FDA) for the treatment and prophylaxis of inhalational anthrax, from GSK (LSE:GSK) (NYSE:GSK). With the acquisition, Emergent also plans to assume responsibility for a multi-year contract with the Biomedical Advanced Research and Development Authority (BARDA), valued at up to approximately $130 million to supply the product to the U.S. Strategic National Stockpile (SNS) through November 2019. The completion of the acquisition follows the satisfaction or waiver by the parties, as applicable, of all closing conditions, including expiration of the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 (HSR Act), as amended.