BioAmber filed for Chapter 11 restructuring to facilitate the orderly sale and/or restructuring of the company that was already planned long in advance. This was not a forced sale of assets, BioAmber was not caught by surprise, and there is no court order anywhere, in the US or Canada, citing any forced sale of any kind whatsover.
Chapter 11 was subsequently dismissed, terminated, and moved to the even more flexible CCAA with Chapter 15 recognition order. Under CCAA, Stay of Proceedings can continue indefinitely and provides the most leeway in terms of a Plan Of Arrangement or restructuring.
PwC, as court appointed monitor via the Canadian Superior Court, provides updates and speaks to topics that are within their legal purview. Shares are with BioAmber Inc.; PwC has made no explicit statement regarding the plan for shares; e.g. using only words such as "anticipate" in regards to future transactions.
Shares are safe.