Spark Therapeutics Inc

Roche Holding AG Is Nearing A Deal To Buy Biotechnology Company Spark Therapeutics Inc.

A deal for Spark could be announced Monday—if not sooner—at a price tag of nearly $5 billion, some of the people said. That would represent a big premium, given Spark had a market value of just under $2 billion as of Friday’s close. As always, the deal could still fall apart before the companies manage to make it official.