
Sienna psoriasis treatment shows positive results

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Sienna Biopharmaceuticals gets $40 million in financing from Silicon Valley Bank

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First quarter expenses more than doubled at Sienna Biopharmaceuticals

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Sienna stock still soaring after $65 million IPO

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Conejo Valley biotech scene heats up with Sienna IPO

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Sienna Biopharmaceuticals files for $75 million IPO

Westlake Village biotechnology company Sienna Biopharmaceuticals filed for an initial public offering with the Securities and Exchange Commission on June 3, stating expectations to raise up to $74.75 million. Founded in 2010, the company develops clinical-stage topical therapies for inflammatory skin diseases and other conditions. ARCH Venture Partners and Venvest Capital led a $40 million Read More →

Ex-Kythera execs build Westlake Village startup

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