SAN DIEGO, Oct. 31, 2023 (GLOBE NEWSWIRE) -- Stockholder rights law firm Johnson Fistel, LLP has launched an investigation into whether the board members of EngageSmart, Inc. (NYSE: ESMT), LiveVox Holdings, Inc. (NASDAQ: LVOX), Startek, Inc. (NYSE: SRT), and Sculptor Capital Management, Inc. (NYSE: SCU) breached their fiduciary duties in connection with the proposed sale of these companies.