Live feed17:04:31·730dSECFilingvia QuantisnowAtara Biotherapeutics Inc. filed SEC Form 8-K: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Material Modification to Rights of Security HoldersByQuantisnow·Wall Street's wire, on your screen.ATRA· Atara Biotherapeutics Inc.Health CareOriginal source