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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. 144 Insider Sale of Securities
  2. 144 Insider Sale of Securities
  3. 144 Insider Sale of Securities
  4. 8-K Event Exit or restructuring costs
  5. SCHEDULE 13G Stake Statement of Beneficial Ownership
  6. 4 Grant or award EVP, CFO and COO acquired 34,050 shares (grant or award)
  7. 8-K Event Exit or restructuring costs
  8. 8-K Event Other events
  9. S-8 Other Securities Offered to Employees in Benefit Plans
  10. 8-K Event Results of operations · Other events
  11. 8-K Event Bylaws or fiscal year change
  12. 4 Open-market sale EVP, Chief Regulatory Officer sold 1,000 shares at $11.20 ($11,198)
  13. 4 Open-market sale EVP, CFO and COO sold 1,364 shares at $11.20 ($15,274)
  14. 4 Open-market sale President and CEO sold 1,664 shares at $11.20 ($18,633)
  15. 144 Insider Sale of Securities
  16. 144 Insider Sale of Securities
  17. 144 Insider Sale of Securities
  18. 144 Insider Sale of Securities
  19. SC 13G/A Stake Amended Statement of Ownership
  20. SC 13G/A Stake Amended Statement of Ownership

Page 7 of 57 · 1,133 filings