 NEW YORK--BUSINESS WIRE--Halper Sadeh LLP, a global investor rights law firm, is investigating whether the sale of Chiasma, Inc. NASDAQ: CHMA to Amryt Pharma plc is fair to Chiasma shareholders. Under the terms of the agreement, each share of Chiasma common stock issued and outstanding prior to the consummation of the transaction will be exchanged for 0.396 Amryt American Depositary Shares, each representing five Amryt ordinary shares. Halper Sadeh encourages Chiasma shareholders to click h 