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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 Chief Financial Officer sold 5,853 shares at $5.63 ($32,952)
  2. 4 Open-market sale SVP, GC & Secretary sold 3,223 shares at an average $5.32 ($17,134)
  3. 4 Open-market sale Chief Financial Officer sold 5,582 shares at an average $5.32 ($29,675)
  4. 4 Open-market sale EVP, Head of R&D sold 3,873 shares at $5.32 ($20,597)
  5. 4 Open-market sale President and CEO sold 13,913 shares at $5.32 ($73,962)
  6. 8-K Event Agreement ended
  7. 10-Q Report Quarterly Report
  8. 8-K Event Results of operations
  9. DEFA14A Proxy Proxy Materials
  10. DEF 14A Proxy Proxy Statement
  11. 8-K Event Acquisition or sale completed
  12. SC 13G/A Stake Amended Statement of Ownership
  13. 4 Open-market sale Chief Financial Officer sold 3,763 shares at an average $9.86 ($37,090)
  14. 4 Open-market sale EVP, Head of R&D sold 2,221 shares at $9.86 ($21,890)
  15. 4 Grant or award Chief Commercial Officer acquired 45,533 shares (grant or award)
  16. 4 Open-market sale President and CEO sold 8,828 shares at $9.86 ($87,009)
  17. 4 Open-market sale SVP, GC & Secretary sold 2,577 shares at an average $9.86 ($25,400)
  18. S-8 Other Securities Offered to Employees in Benefit Plans
  19. 10-K Report Annual Report
  20. 8-K Event Results of operations

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