Amgen Inc. is an American multinational biopharmaceutical company, the world's largest independent biotechnology organization. Founded in 1980, became public in 1983, shares are traded on the NASDAQ. In 1989, the company released Epogen, the renowned anemia drug. In 1991 Neupogen infection prevention drug was released in the year, and Enbrel, an arthritis drug, was released in 1998. The company pleaded guilty to criminal charges for selling mislabeled drugs in 2012, but was already popular the following year. Sensipar’s new drug was added to the list of drugs available for sale without state control.In 2015, Ameg acquired Dezima Pharma for $ 1.55 billion, and in the same year entered into a cooperation deal with Xencor, in which it paid 1, 7 billion dollars.