More Amarantus Bioscience Holdings, Inc. news Amarantus Bioscience Holdings, Inc.OTC: AMBS Amarantus Enters into Forbearance and Capital Restructuring Agreements with Holders of Secured Debt, Convertible Preferred Stock and Warrants Dec 7, 2017 · Issued by Amarantus Bioscience Holdings, Inc. As issuedPlain English The original release is unavailable here.