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Atara Biotherapeutics, Inc. - ATRA
Officers
Directors
Officer & Directors
10 Percent
All
All Sectors
Manufacturing
Chemicals
Biological Products, (no Disgnostic Substances)
Include option trades
Include indirect trades
Latest data: 12/10/2025 10:05:24 PM
EDGAR CIK
0001604464
1 Month
3 Month
6 Month
1 Year
2 Years
Buy Breakdown
Total $0
No buy transactions for this time period.
Sell Breakdown
Total $193,941
Monthly Totals
Transaction
Filed
Name
Type
Shares @ Price
Value
Balance change
Ownership
11/17/2025
11/19/2025
Grant-Huerta Yanina
Chief Accounting Officer
Officer
Sell
-1,804 @ $13.19
($23,788.08)
33,454
(-5.12%)
Direct
11/17/2025
11/19/2025
Nguyen Anhco
President and CEO
CEO
Director
Sell
-2,915 @ $13.19
($38,437.30)
64,974
(-4.29%)
Direct
08/18/2025
08/20/2025
Grant-Huerta Yanina
Chief Accounting Officer
Officer
Sell
-1,809 @ $11.61
($21,009.37)
35,258
(-4.88%)
Direct
08/18/2025
08/20/2025
Nguyen Anhco
President and CEO
CEO
Director
Sell
-2,958 @ $11.62
($34,360.30)
67,889
(-4.18%)
Direct
05/16/2025
05/20/2025
Grant-Huerta Yanina
Chief Accounting Officer
Officer
Sell
-2,218 @ $6.76
($15,000.33)
37,067
(-5.65%)
Direct
05/16/2025
05/20/2025
Nguyen Anhco
President and CEO
CEO
Director
Sell
-3,276 @ $6.76
($22,155.59)
70,847
(-4.42%)
Direct
03/03/2025
03/05/2025
Henrich Jill
EVP, Chief Regulatory Officer
Officer
Sell
-1,059 @ $7.00
($7,409.82)
18,679
(-5.37%)
Direct
03/03/2025
03/05/2025
Hyllengren Eric J
EVP, CFO and COO
CFO
Sell
-1,211 @ $7.00
($8,473.37)
56,231
(-2.11%)
Direct
03/03/2025
03/05/2025
Nguyen Anhco
President and CEO
CEO
Director
Sell
-3,331 @ $7.00
($23,307.01)
74,123
(-4.30%)
Direct