 SAN DIEGO, Aug. 11, 2021 PRNewswire -- Shareholder Rights Law Firm Johnson Fistel, LLP, is investigating potential claims against ON24, Inc. ON24 or the Company NYSE: ONTF for violations of federal securities laws. On or about February 3, 2021, ON24 sold about 8.6 million shares of stock in its initial public stock offering the IPO at 50 a share, raising nearly 430 million in new capital. 