Chimerix Inc. is a biopharmaceutical company based in the United States that engages in the research, development, and commercialization of medicines. Its portfolio includes treatment for acute myeloid leukemia (or AML) and antiviral treatment for smallpox. The company generates revenue through revenue related to non-refundable upfront fees, royalties and milestone payments earned under license agreements, also by royalty revenue related to sales of TEMBEXA made by Emergent after the Asset Sale. The company operates only in one business segment namely pharmaceuticals.