Sienna Biopharmaceuticals, Inc. filed a voluntary petition for reorganization under Chapter 11 in the US Bankruptcy Court for the District of Delaware on September 16, 2019. The debtor listed its assets of $127.22 million and liabilities of $13.52 million. The debtor is represented by Michael R. Nestor and Kara Hammond Coyle of Young Conaway Stargatt & Taylor LLP and Latham & Watkins LLP as it's legal counsels. The debtor hired Cowen and Company, LLC as investment banker, Force 10 Partners as financial advisor and Epiq Corporate Restructuring, LLC as claims and noticing agent.