Earlier this year, the U.S. Supreme Court declined to review the fraud convictions of four former United Development Funding Income Fund V (UDF IV) executives. In light of this, major shareholder NexPoint is now calling on fellow shareholders to oust the current board of trustees. NexPoint is an alternative investment advisor and one of the largest shareholders in UDF IV. The firm is sending a letter to shareholders, many of whom are “mom and pop” retail investors, urging them to vote out current independent trustees Lawrence Jones, Philip Marshall, J. Heath Malone and Steven Finkle. To replac…