SAN DIEGO, Sept. 24, 2025 (GLOBE NEWSWIRE) -- Shareholder rights law firm Johnson Fistel, PLLP has launched an investigation into whether the board members of Integral Ad Science Holding Corp. (NASDAQ: IAS) breached their fiduciary duties in connection with the proposed sale of the company to private equity firm Novacap. Background On September 24, 2025, Integral Ad Science Holding Corp. (“IAS”) and Novacap announced that they had entered into a definitive merger agreement under which Novacap will acquire ...