About Merck & Co.

Merck & Co., Inc. is a US pharmaceutical company headquartered in Rahway, New Jersey, that develops prescription medicines, vaccines, and oncology treatments. Outside the United States and Canada it operates under the name MSD, and it is a distinct company from Merck KGaA of Darmstadt, Germany. In tokenized markets, MRK is a reference equity for products tracking Merck & Co. shares.