Nathaniel Hearn Jr.

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.

Cooley advised RayzeBio, a targeted radiopharmaceutical company developing an innovative pipeline against solid tumor targets, on its upsized $357.6 million initial public offering.

Cooley advised Sprout Social, a social media management software company, on its $140 million acquisition of Tagger Media, a top influencer marketing platform, and a concurrent $100 million secured debt facility, which will be partially used to fund the acquisition.

Cooley advised Moogsoft, an artificial intelligence-driven provider of intelligent monitoring solutions that support DevOps and ITOps, on its agreement to sell to Dell Technologies. Lawyers Steve Tonsfeldt, Mark Tanoury, Sangitha Palaniappa and Allison Peth led the Cooley team advising Moogsoft.

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Cooley advised Morphimmune, a private biotechnology company, in its definitive merger agreement with Immunome and $125 million private investment.