LOS ANGELES, April 21, 2025 /PRNewswire/ -- The Schall Law Firm, a national shareholder rights litigation firm, announces the filing of a class action lawsuit against Zenas BioPharma, Inc. ("Zenas" or "the Company") (NASDAQ: ZBIO) for violations of the federal securities laws.Investors who purchased the Company's securities pursuant and/or traceable to the Company's Offering Documents issued in connection with its initial public offering ("IPO") conducted on September 13, 2024, are encouraged to contact the ...