Atara Biotherapeutics, Inc. - ATRA

  1. All Sectors
  2. Manufacturing
  3. Chemicals
  4. Biological Products, (no Disgnostic Substances)
Latest data: 9/14/2026 10:02:20 PM
EDGAR CIK 0001604464

Buy Breakdown

Total $999,994

Sell Breakdown

Total $198,917

Monthly Totals

Transaction Filed Name Type Shares @ Price Value Balance change Ownership
09/04/2026
09/04/2026
Cherry Brian N
Director
Buy
104,166 @ $9.60
$999,993.60
 166,486 (167.15%) Direct
08/17/2026
08/26/2026
Nguyen Anhco
President and CEO
CEO Director
Sell
-5,062 @ $8.08
($40,882.74)
 132,775 (-3.67%) Direct
05/18/2026
05/20/2026
Grant-Huerta Yanina
Chief Accounting Officer
Officer
Sell
-2,414 @ $9.13
($22,036.44)
 49,636 (-4.64%) Direct
05/18/2026
05/20/2026
Nguyen Anhco
President and CEO
CEO Director
Sell
-5,241 @ $9.13
($47,844.56)
 137,837 (-3.66%) Direct
03/02/2026
03/04/2026
Grant-Huerta Yanina
Chief Accounting Officer
Officer
Sell
-2,104 @ $5.08
($10,690.91)
 31,750 (-6.21%) Direct
03/02/2026
03/04/2026
Nguyen Anhco
President and CEO
CEO Director
Sell
-2,996 @ $5.09
($15,237.36)
 61,978 (-4.61%) Direct
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