Amgen Inc. Common Stock, also called Amgen, is a biotechnology company, which engages in the discovery, development, manufacture and marketing of human therapeutics. Read More Its products include the following brands: Aranesp, BLINCYTO, Corlanor, ENBREL, EPOGEN, IMLYGIC, KYPROLIS, Neulasta, NEUPOGEN, Nplate, Parsabiv, Prolia, Repatha, Sensipar, Vectibix, and XGEVA. The company was founded by William K. Bowes, Jr., Franklin Pitcher Johnson, Jr., George B. Rathmann and Joseph Rubinfeld on April 8, 1980 and is headquartered in Thousand Oaks, CA. The listed name for AMGN is Amgen Inc. Common Stock.