NGUYEN ANHCO (President and CEO) sold 3.7% of their position (5.06K shares) of ATARA BIOTHERAPEUTICS, INC. on the open market
Open‑market sale worth $40.9K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 8/26/2026ACC: 0000905148-26-003960
DirectorOfficer· President and CEO
Since Mar 2026
-5.06K
Net shares
Net seller
$40.9K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
5.06K disposed
Non-Derivative Transactions1
Common Stock
Direct
Shares
−5.06K
Price / share
$8.08
Trade value
$40.88K
% of position
3.7%
8/17/2026
137.84K→132.78K
Total
Net shares
−5.06K
Net value
-$40.88K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 8/17/2026 | S · Sale | −5.06K | $8.08 | $40.88K | 3.7% | 137.84K | 132.78K |
| Total | −5.06K | -$40.88K | ||||||
Derivative Transactions0
No derivative transactions reported