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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. 8-K Event Other events
  2. SC 13G/A Stake Amended Statement of Ownership
  3. 4 Open-market sale EVP, Head of R&D sold 5,000 shares at $16.00 ($80,000)
  4. SC 13G/A Stake Amended Statement of Ownership
  5. SC 13G/A Stake Amended Statement of Ownership
  6. SC 13G/A Stake Amended Statement of Ownership
  7. 4 Open-market sale Chief Financial Officer sold 2,496 shares at $14.46 ($36,096)
  8. SC 13G/A Stake Amended Statement of Ownership
  9. SC 13G Stake Amended Statement of Ownership
  10. SC 13G/A Stake Amended Statement of Ownership
  11. 8-K Event Material agreement · Results of operations · Executive or director change
  12. 8-K Event Regulation FD disclosure
  13. SC 13G/A Stake Amended Statement of Ownership
  14. 4 Open-market sale EVP, Head of R&D sold 5,000 shares at $16.01 ($80,050)
  15. SC 13G Stake Amended Statement of Ownership
  16. 4 Open-market sale EVP, Head of R&D sold 5,000 shares at $17.94 ($89,689)
  17. 8-K Event Other events
  18. 424B5 Offering Prospectus
  19. 4 Open-market sale President and CEO sold 8,402 shares at $17.12 ($143,816)
  20. 4 Open-market sale Chief Operations Officer sold 3,332 shares at $17.12 ($57,034)

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