Ra Pharmaceuticals Inc.'s stockholders approved the company's acquisition by Brussels-based UCB SA, a deal valued at $2.1 billion.
Cambridge, Mass.-based Ra Pharmaceuticals said the merger agreement was approved at a special meeting of stockholders held Dec. 17.
Under the agreement, UCB is acquiring Ra Pharmaceuticals, an autoimmune disease therapy developer, for $48 per share in cash.
The boards of both companies have already approved the deal.
The acquisition is expected to close by the end of the first quarter of 2020, subject to regulatory approval.
Bank of America Merrill Lynch and Lazard are financial advisers, while Covington & Burling LLP is the legal adviser to UCB.
Centerview Partners is the exclusive financial adviser, while Latham & Watkins LLP is legal adviser to Ra Pharmaceuticals.