NEW YORK--(BUSINESS WIRE)--Halper Sadeh LLC, an investor rights law firm, is investigating whether the sale of Generation Bio Co. (NASDAQ: GBIO) to XOMA Royalty Corporation for $4.2913 per share and one non-transferable contingent value right per share entitling holders to receive potential payments under certain conditions is fair to Generation Bio shareholders. Halper Sadeh encourages Generation Bio shareholders to click here to learn more about their legal rights and options or contact Daniel Sadeh or Z ...