Sienna Biopharmaceuticals, Inc.

Pharmaceutical company · Westlake Village, California, United States

Sienna Biopharmaceuticals, Inc. is a pharmaceutical company headquartered in Westlake Village, California, United States. It has reported private securities offerings to the US SEC, most recently $47 million sold in a notice filed in 2017.

Profile compiled from public records. Is this your company? Request a correction or update

Sienna Biopharmaceuticals at a glance

Typepharmaceutical company
HeadquartersWestlake Village, California, United States
SEC industryPharmaceutical Preparations
SEC CIK1656328

What does Sienna Biopharmaceuticals do?

Private fundraising reported to the SEC

3 Form D notices; the most recent reported $46.6 million sold (2017).

Frequently asked questions about Sienna Biopharmaceuticals

Where is Sienna Biopharmaceuticals headquartered?

Sienna Biopharmaceuticals, Inc. is headquartered in Westlake Village, California, United States.

What does Sienna Biopharmaceuticals do?

Sienna Biopharmaceuticals, Inc. is a pharmaceutical company. Its SEC industry classification is Pharmaceutical Preparations.

Similar companies

Need a CRO or CDMO for your next study?

Compare transparent quotes from research and manufacturing partners, then contract once. Free for buyers.

Compare quotes

Last updated 2026-09-25. Data licences