NGUYEN ANHCO (President and CEO) sold 4.2% of their position (2.96K shares) of ATARA BIOTHERAPEUTICS, INC. on the open market
Open‑market sale worth $34.4K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 3 sales
Filed: 8/20/2025ACC: 0000905148-25-003070
DirectorOfficer· President and CEO
Since Mar 2026
-2.96K
Net shares
Net seller
$34.4K
Total sold
3
Open market trades
0B · 3S
3
Total transactions
2.96K disposed
Non-Derivative Transactions3
Common Stock
Direct
Shares
−57.00
Price / share
$11.61
Trade value
$661.94
% of position
0.1%
8/18/2025
70.85K→70.79K
Common Stock
Direct
Shares
−1.28K
Price / share
$11.62
Trade value
$14.88K
% of position
1.8%
8/18/2025
70.79K→69.51K
Common Stock
Direct
Shares
−1.62K
Price / share
$11.62
Trade value
$18.82K
% of position
2.3%
8/18/2025
69.51K→67.89K
Total
Net shares
−2.96K
Net value
-$34.36K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 8/18/2025 | S · Sale | −57.00 | $11.61 | $661.94 | 0.1% | 70.85K | 70.79K |
| Common Stock Direct | 8/18/2025 | S · Sale | −1.28K | $11.62 | $14.88K | 1.8% | 70.79K | 69.51K |
| Common Stock Direct | 8/18/2025 | S · Sale | −1.62K | $11.62 | $18.82K | 2.3% | 69.51K | 67.89K |
| Total | −2.96K | -$34.36K | ||||||
Derivative Transactions0
No derivative transactions reported