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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. 10-Q Report Quarterly Report
  2. 8-K Event Results of operations
  3. 4 Open-market buy 10% owner bought 19,335 shares at $9.64 ($186,372)
  4. 8-K Event Results of operations · Other events
  5. 4 Grant or award Director acquired 7,828 shares (grant or award)
  6. 4 Grant or award Director acquired 7,828 shares (grant or award)
  7. 4 Grant or award Director acquired 7,828 shares (grant or award)
  8. 4 Grant or award Director acquired 7,828 shares (grant or award)
  9. 4 Grant or award Director acquired 7,828 shares (grant or award)
  10. 4 Grant or award Director acquired 7,828 shares (grant or award)
  11. 8-K Event Shareholder vote results
  12. SCHEDULE 13D Stake Beneficial Ownership Report
  13. 3 Insider Initial Statement of Ownership
  14. 3 Insider Initial Statement of Ownership
  15. 3 Insider Initial Statement of Ownership
  16. SCHEDULE 13D Stake Beneficial Ownership Report
  17. 4 Open-market sale Chief Accounting Officer sold 2,218 shares at $6.76 ($15,000)
  18. 4 Open-market sale President and CEO sold 3,276 shares at $6.76 ($22,156)
  19. 144 Insider Sale of Securities
  20. 144 Insider Sale of Securities

Page 5 of 57 · 1,133 filings