Allison Wettstein O’Neill

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Horizon Therapeutics to Be Acquired by Amgen for Approximately $28 Billion

December 20, 2022

A Cooley team advised Horizon Therapeutics, a specialty biopharmaceutical company, on its agreement to be acquired by Amgen. The approximately $28 billion merger would represent the third-largest all-cash transaction in the pharmaceutical sector in history and the biggest healthcare deal of 2022.

 

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