 New York, New York--Newsfile Corp. - August 11, 2020 - The following statement is being issued by Levi Korsinsky, LLP:To: All Persons or Entities who purchased Pfenex Inc. Pfenex or the Company NYSE: PFNX stock prior to August 10, 2020.You are hereby notified that Levi Korsinsky, LLP has commenced an investigation into the fairness of the sale of Pfenex to Ligand Pharmaceuticals Incorporated Ligand NASDAQ: LGND. Under the terms of the ... 