Live feed16:01:57·893dSECFilingvia QuantisnowAtara Biotherapeutics Inc. filed SEC Form 8-K: Entry into a Material Definitive Agreement, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and ExhibitsByQuantisnow·Wall Street's wire, on your screen.ATRA· Atara Biotherapeutics Inc.Health CareOriginal source