Bioamber does exist because the shares exist until they are bought out, they are assets of the company, https://manometcurrent.com/global-1-4-butanediol-bdo-market-size-and-forecast-to-2021-2027-analysis-with-key-players-basf-se-exxon-mobil-chemicals-international-specialty-products-bioamber-inc-invista/?amp=1