Examine the behind-the-scenes action regarding Roche’s acquisition of Spark Therapeutics Inc. in this insightful article from Scrip. Analysts dissect a Securities and Exchange (SEC) commission filing by Spark to paint a picture of the skillful negotiating tactics employed by Spark CEO Jeff Marrazzo. See how his plan resulted in successfully driving up Spark’s per share price by more than 60% over its first offer, and how Roche ultimately secured the acquisition. Get the details on this $4.8b deal here.