Pomerantz Law Firm Announces the Filing of a Class Action Against Upstart Holdings, Inc.and Certain Officers – UPST

A class action lawsuit has been filed against Upstart Holdings, Inc. for alleged securities fraud. The complaint alleges that Upstart made false statements about its AI lending model (Model 22), overstating its accuracy and approval rates. The company's stock fell 9.71% after revealing on November 4, 2025, that Model 22 had overreacted to macroeconomic signals, reducing approvals and forcing significant downward revisions to full-year revenue guidance.