I partner with life sciences and technology companies to accomplish their general legal objectives, as well as guide them through financing transactions and public company reporting and compliance.
+1 858 550 6034
Sean M. Clayton's practice focuses on the representation of public and private emerging growth companies in general corporate matters, as well as a wide range of transactions, including public offerings, venture capital financings and M&A.
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NantKwest – $238 Million IPO
Horizon Pharma to Acquire Hyperion Therapeutics for $1.1 Billion
Ionis Pharmaceuticals Completes Rule 144A Offering of $500 Million of Convertible Senior Notes
Horizon Pharma Acquires Vidara Therapeutics and Enters Five-Year $300 Million Term Loan Facility
Cooley Advises Underwriters on Vital Therapies Initial Public Offering
Horizon Pharma $660 Million Acquisition of Vidara Therapeutics
Mergers & Acquisitions
Don’t know how Cooley does it but they always pull out great attorneys to work with and you are certainly that. We really appreciate your knowledge, experience and counsel through this process.
Stanford Law SchoolJD, Order of the Coif, 2003
University of California, San DiegoBA, Political Science and Economicssumma cum laude, Phi Beta Kappa, 2000
Vital Therapies – $40 Million Follow-on Offering
March 29, 2017
Mirati – $69 Million Shelf-Takedown
January 12, 2017
NantHealth – $107 Million Notes Offering
January 11, 2017
+1 858 550 6034 office
+1 858 550 6420 fax
4401 Eastgate MallSan Diego, CA 92121-1909