On February 28, 2018 the Honorable Peter Sheridan of the United States District Court for the District of New Jersey certified a class of investors who purchased or otherwise acquired Aeterna common stock from August 30, 2011 through November 6, 2014. Dr. Adam Werner of Cal Poly San Luis Obispo and Crowninshield Financial Research provided expert reports about market efficiency and whether damages can be computed for the Class.

Additional information is available here.