Esperion Therapeutics, Inc., a biopharmaceutical company, develops and commercializes medicines for the treatment of patients with elevated low density lipoprotein cholesterol (LDL-C) in the United States. The company's marketed products include NEXLETOL (bempedoic acid) and NEXLIZET (bempedoic acid and ezetimibe) tablets that are oral, once-daily, non-statin medicines for the treatment of primary hyperlipidemia in adults with heterozygous familial hypercholesterolemia cardiovascular disease who require additional lowering of LDL-C. Its products also include NILEMDO, an ATP Citrate Lyase (ACL) inhibitor that lowers LDL-C and cardiovascular risk by reducing cholesterol biosynthesis and up-regulating the LDL receptors; and NUSTENDI, a bempedoic acid and ezetimibe tablet to treat elevated LDL-C. It has license and collaboration agreements with Daiichi Sankyo Co. Ltd to; Otsuka Pharmaceutical Co., Ltd; and Daiichi Sankyo Europe GmbH. Esperion Therapeutics, Inc. was formerly known as HDL Therapeutics, Inc. and changed its name to Esperion Therapeutics, Inc. in May 2008. The company was incorporated in 2008 and is headquartered in Ann Arbor, Michigan. As of July 13, 2026, Esperion Therapeutics, Inc. was taken private.