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CIK 0001604464 · Non-accelerated filer<br>Smaller reporting company

Atara Biotherapeutics, Inc.

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Ticker
ATRA
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
460920988
Phone
805-623-4211
Business address
1280 RANCHO CONEJO BLVD, THOUSAND OAKS, CA, 91320
  1. S-8 Other Securities Offered to Employees in Benefit Plans
  2. S-3ASR Offering Registration Statement
  3. 10-K Report Annual Report
  4. 8-K Event Results of operations
  5. SC 13G/A Stake Amended Statement of Ownership
  6. SC 13G/A Stake Amended Statement of Ownership
  7. SC 13G/A Stake Amended Statement of Ownership
  8. SC 13G/A Stake Amended Statement of Ownership
  9. SC 13G/A Stake Amended Statement of Ownership
  10. SC 13G/A Stake Amended Statement of Ownership
  11. 4 Open-market sale Chief Financial Officer sold 1,759 shares at $20.39 ($35,866)
  12. 4 Open-market sale Chief Operations Officer sold 3,886 shares at $20.39 ($79,236)
  13. SC 13G/A Stake Amended Statement of Ownership
  14. 4 Open-market sale Chief Operations Officer sold 7,000 shares at $18.84 ($131,880)
  15. 8-K Event Regulation FD disclosure
  16. SC 13G Stake Amended Statement of Ownership
  17. 8-K Event Other events
  18. 4 Open-market sale Chief Operations Officer sold 7,000 shares at an average $23.11 ($161,735)
  19. 4/A Derivatives Options or other derivatives
  20. 8-K Event Other events

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