On August 26, Amgen (AMGN) announced the purchase of leading immunology drug Otezla from Celgene (CELG) for a cash consideration of $13.4 billion.

source https://finance.yahoo.com/m/bae5fa7e-89fc-3da3-9b6d-8cc25ba93675/amgen-and-celgene%E2%80%99s-otezla.html?.tsrc=rss