Atara Biotherapeutics, Inc. (ATRA) Shareholders Who Lost Money Have Opportunity to Lead Securities Fraud Lawsuit

LOS ANGELES, April 21, 2026 /PRNewswire/ -- The Law Offices of Frank R. Cruz announces that investors with losses related to Atara Biotherapeutics, Inc. ("Atara" or the "Company") (NASDAQ: ATRA) have opportunity to lead the securities fraud class action lawsuit. IF YOU ARE AN INVESTOR WHO...