Amgen Agrees to Deal to Buy Horizon Therapeutics

Amgen Inc. has agreed to acquire Horizon Therapeutics PLC in an all-cash deal valued at $27.8 billion, marking the largest healthcare merger of the year.

Under the terms of the deal, which was first reported by The Wall Street Journal, Amgen will pay $116.50 for each Horizon share owned. The offer was equal to a premium of 19.7% over the stock’s closing price Friday at $97.29.