On March 21, 2023, NexPoint Advisors L P announced that it has filed a first amended petition against the external investment adviser of United Development Funding IV, and the amendment to the petition adds the Lawrence S. Jones, James Kenney, Philip K. Marshall, J. Heath Malone, and Steven J. Finkle as defendants. In addition, NexPoint Advisors stated that the lawsuit seeks to hold accountable those defendants and entities that have perpetuated the multi-year deception and fraud that is the Company's investment program.