Deals

Horizon Buys Rare-Disease Company Raptor for $800 Million

  • Deal will add Procysbi, Quinsair to Horizon portfolio
  • Transaction expected to close in fourth quarter of 2016
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Horizon Pharma Plc agreed to buy Raptor Pharmaceutical Corp. for about $800 million to bolster its rare-disease treatment business and expand internationally.

Horizon will pay $9 a share in cash, about 21 percent more than Raptor’s closing price on Friday of $7.45, the companies said Monday in a statementBloomberg Terminal. The transaction is expected to close in the fourth quarter of 2016, and should add to earnings next year, they said.