June 30, 2026
A Massachusetts federal judge has permanently dismissed an investor suit alleging Zenas BioPharma hid how quickly it was spending money before its 2024 initial public offering, saying the company warned investors before the IPO that its drug-development costs were high and rising, and therefore did not have to provide a quarter-by-quarter spending breakdown.
January 26, 2026
Zenas BioPharma has asked a Massachusetts federal judge to toss a putative investor class action targeting pre-initial public offering statements about the company's spending, saying it didn't hide that it had ramped up investment in research and development.
April 17, 2025
Autoimmune disease therapeutics company Zenas BioPharma Inc. was hit with a proposed shareholder class action alleging that its registration statement for its September 2024 initial public offering overstated the amount of time that the company could fund its operations using existing cash and expected net proceeds from the offering.