On Monday during a quarterly earnings call, when Biogen CEO Chris Viehbacher was asked about the company’s potential to execute M&A, he randomly offered “we’ve got, I think, about $7.3 billion | Biogen has revealed a proposal to acquire Reata Pharmaceuticals for $7.3 billion. The Texas-based rare disease specialist brings newly approved Skyclarys, the first treatment for the neurologic disorder Friedreich’s ataxia with peak sales potential of $1.5 billion.