As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

  7/9/15‡ Atara Biotherapeutics, Inc.       EFFECT       7/9/15    1:2K                                     SEC #5                   
  7/9/15‡ Atara Biotherapeutics, Inc.       S-1MEF       7/9/15    3:45K                                    Donnelley … Solutions/FA 
  7/9/15  Atara Biotherapeutics, Inc.       S-1/A                  3:3.1M                                   Donnelley … Solutions/FA 

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‡	A non-Insider-Ownership Filing that was accepted after the SEC “closed” at 5:30:00pm ET.  The legal “Filed As Of” date may be the next, or another, day.
¹	Filing/Form Types:  -K
	EFFECT	SEC Notice of Effectiveness.
	S-1	Registration Statement (General Form) — Form S-1.
	S-1MEF	Registration Statement to Add Securities to a Prior Form S-1 Registration.
	/A	Amendment to, or Amended version of, a previous Filing of this Type.