LOS ANGELES, May 28, 2025 /PRNewswire/ -- The Schall Law Firm, a national shareholder rights litigation firm, announces that it is investigating claims on behalf of investors of OneStream, Inc. ("OneStream" or "the Company") (NASDAQ: OS) for violations of the securities laws.The investigation focuses on whether the Company issued false and/or misleading statements and/or failed to disclose information pertinent to investors.If you are a shareholder who suffered a loss, click here to participate.We also enco ...