The outcome of the liquidation rendered the shares worthless forever. Nobody will ever cancel the shares they will remain worthless but yours forever That is what happens when an insolvent company (BioAmber) is liquidated for a fraction of its liabilities $4.34 mil paid for All assets against $100 plus mil of debt. With No Assets, No Company, No Employees, No BOD, No business operations of any kind, and No chance of ever repaying that debt leaving all of the creditors impaired the shares are forever worthless. There is No chance of shareholders ever receiving any form of monetary payment or shares of a NEWCO that is the law.