Sienna Biopharmaceuticals, Inc.

Current insiders at Sienna Biopharmaceuticals, Inc.

• Andrews Timothy K.General Counsel & Secretary
• ARCH Venture Fund VIII, L.P.10% owner
• ARCH Venture Fund VIII Overage, L.P.10% owner
• ARCH Venture Fund X Overage, L.P.10% owner
• ARCH Venture Partners VIII, LLC10% owner
• ARCH Venture Partners VIII, L.P.10% owner
• ARCH Venture Partners X, LLC10% owner
• ARCH Venture Partners X Overage, L.P.10% owner
• Azoy AlexanderChief Financial Officer
• Beddingfield III FrederickDirector
• Beddingfield III FrederickPresident & CEO
• Burow KristinaDirector
• Burow Kristina10% owner
• BYBEE CLINTON10% owner
• CRANDELL KEITH10% owner
• FENTON DENNIS MDirector
• GILLIS STEVEN10% owner
• Harris ToddDirector
• Harris ToddHead of Corporate Development
• Hindman James M.Director
• Leonard Keith RDirector
• Lizzul Paul F.Chief Medical Officer
• MAST ERLE TDirector
• MORE ROBERT JDirector
• NELSEN ROBERTDirector
• NELSEN ROBERT10% owner
• PETERSON RICHARD DChief Financial Officer
• Smither John WChief Financial Officer
• Stroehmann DianeSee Remarks

Insider transaction history at Sienna Biopharmaceuticals, Inc.