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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. 4 Open-market sale SVP, GC & Secretary sold 2,124 shares at $17.12 ($36,356)
  2. 4 Open-market sale Chief Financial Officer sold 3,655 shares at $17.12 ($62,562)
  3. 4 Open-market sale EVP, Head of R&D sold 2,199 shares at $17.12 ($37,640)
  4. 4 Open-market sale Chief Operations Officer sold 7,000 shares at $17.71 ($124,004)
  5. 4 Open-market sale Director sold 13,354 shares at $19.50 ($260,403)
  6. 4 Open-market sale EVP, Head of R&D sold 5,000 shares at $16.41 ($82,050)
  7. 10-Q Report Quarterly Report
  8. 8-K Event Results of operations
  9. 8-K Event Material agreement
  10. S-8 Other Securities Offered to Employees in Benefit Plans
  11. 4 Open-market sale Chief Operations Officer sold 10,500 shares at $17.00 ($178,500)
  12. 4 Open-market sale Chief Operations Officer sold 3,116 shares at $15.61 ($48,647)
  13. 4 Open-market sale Chief Operations Officer sold 3,500 shares at $15.00 ($52,500)
  14. 4 Open-market sale President and CEO sold 8,223 shares at $12.53 ($103,051)
  15. 4 Open-market sale Chief Operations Officer sold 2,426 shares at $12.53 ($30,403)
  16. 4 Open-market sale SVP, GC & Secretary sold 2,080 shares at $12.53 ($26,067)
  17. 4 Open-market sale Chief Financial Officer sold 3,579 shares at $12.53 ($44,852)
  18. 4 Open-market sale EVP, Head of R&D sold 2,152 shares at $12.53 ($26,969)
  19. 4 Derivatives Options or other derivatives
  20. 3 Insider Initial Statement of Ownership

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