Sanofi is close to a $11.4 billion deal for Bioverativ: source By: CNBC.com News January 21, 2018 at 22:24 PM EST French drugmaker Sanofi is close to acquiring biotechnology company Bioverativ for $105 a share. Read More >> Related Stocks: Biogen Idec Biomarin Pharmaceuticals Rogers Corp Sanofi-Aventis S.A. ADR