UnitedHealth Group to buy Catamaran for $12.78 billion

By Reuters

Mar 30, 2015 07:03 AM EDT

UnitedHealth Chief Executive Officer Stephen Hemsley takes part in a panel discussion titled ''Getting From Care to Cure'' at the Milken Institute Global Conference in Beverly Hills, California May 1, 2012. (Photo : Reuters)

UnitedHealth Group unit OptumRx Corp agreed to buy pharmacy benefit manager Catamaran Corp in a deal worth $12.78 billion.

UnitedHealth's offer of $61.50 per share represents a premium of 27 percent to Catamaran's Friday close of $48.32 on the Nasdaq.

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