, /PRNewswire/ -- Edelson Lechtzin LLP, a leading class action law firm, is investigating breach of fiduciary duty claims on behalf of shareholders of UnitedHealth Group Incorporated (NYSE: ) between , and , inclusive (the "Relevant Period"). If you have substantial losses on your UNH investment or possess non-public information concerning breaches of fiduciary duties by company insiders, please contact Edelson Lechtzin LLP at , by e-mail at , or online . UnitedHealth operates UnitedHealthcare and Optum.

Optum provides technology-enabled services to the healthcare market, while UnitedHealthcare offers health insurance to individuals, employers, and small businesses in . On , UnitedHealth announced that its Optum segment would acquire Change Healthcare, a company that provides data solutions to improve clinical decision-making and simplify healthcare payment processes. Both Optum and Change Healthcare have access to highly sensitive healthcare data.

Despite numerous assurances to the investors and the DOJ, it is that there was never a meaningful firewall to protect customer data. Following the merger announcement, on , the U.S.

Department of Justice ("DOJ") filed a lawsuit seeking to block UnitedHealth from completing this acquisition on the grounds that the proposed business combination would violate antitrust laws. Specifically, the DOJ that a merger between Optim and Change Healthcare would give United Health unparalleled access to sensitive patient information. In , the DO.