GRANT-HUERTA YANINA (Chief Accounting Officer) sold 4.9% of their position (1.81K shares) of ATARA BIOTHERAPEUTICS, INC. on the open market
Open‑market sale worth $21.0K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 3 sales
Filed: 8/20/2025ACC: 0000905148-25-003069
Officer· Chief Accounting Officer
Since Mar 2026
-1.81K
Net shares
Net seller
$21.0K
Total sold
3
Open market trades
0B · 3S
3
Total transactions
1.81K disposed
Non-Derivative Transactions3
Common Stock
Direct
Shares
−55.00
Price / share
$11.61
Trade value
$638.50
% of position
0.1%
8/18/2025
37.07K→37.01K
Common Stock
Direct
Shares
−86.00
Price / share
$11.61
Trade value
$998.72
% of position
0.2%
8/18/2025
37.01K→36.93K
Common Stock
Direct
Shares
−1.67K
Price / share
$11.61
Trade value
$19.37K
% of position
4.5%
8/18/2025
36.93K→35.26K
Total
Net shares
−1.81K
Net value
-$21.01K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 8/18/2025 | S · Sale | −55.00 | $11.61 | $638.50 | 0.1% | 37.07K | 37.01K |
| Common Stock Direct | 8/18/2025 | S · Sale | −86.00 | $11.61 | $998.72 | 0.2% | 37.01K | 36.93K |
| Common Stock Direct | 8/18/2025 | S · Sale | −1.67K | $11.61 | $19.37K | 4.5% | 36.93K | 35.26K |
| Total | −1.81K | -$21.01K | ||||||
Derivative Transactions0
No derivative transactions reported