NGUYEN ANHCO (President and CEO) sold 3.7% of their position (5.24K shares) of ATARA BIOTHERAPEUTICS, INC. on the open market
Open‑market sale worth $47.8K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 5/20/2026ACC: 0000905148-26-002571
DirectorOfficer· President and CEO
Since Mar 2026
-5.24K
Net shares
Net seller
$47.8K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
5.24K disposed
Non-Derivative Transactions1
Common Stock
Direct
Shares
−5.24K
Price / share
$9.13
Trade value
$47.84K
% of position
3.7%
5/18/2026
143.08K→137.84K
Total
Net shares
−5.24K
Net value
-$47.84K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 5/18/2026 | S · Sale | −5.24K | $9.13 | $47.84K | 3.7% | 143.08K | 137.84K |
| Total | −5.24K | -$47.84K | ||||||
Derivative Transactions0
No derivative transactions reported