Sienna Biopharmaceuticals Files For IPO

Westlake Village-based Sienna Biopharmaceuticals, a startup biopharmaceuticals firm developing products for the medical dermatology and aesthetics market, has filed for an IPO. Sienna said it is hoping to raised up to $74.8M in an offering on the NASDAQ Global Market. The company has applied to list as SNNA. The IPO is being underwritten by J.P. Morgan, Cowen, and BMO Capital Markets. Sienna is venture backed by ARCH Venture Partners, Partner Fund, and Fidelity.