GRANT-HUERTA YANINA (Chief Accounting Officer) sold 4.6% of their position (2.41K shares) of ATARA BIOTHERAPEUTICS, INC. on the open market
Open‑market sale worth $22.0K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 5/20/2026ACC: 0000905148-26-002570
Officer· Chief Accounting Officer
Since Mar 2026
-2.41K
Net shares
Net seller
$22.0K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
2.41K disposed
Non-Derivative Transactions1
Common Stock
Direct
Shares
−2.41K
Price / share
$9.13
Trade value
$22.04K
% of position
4.6%
5/18/2026
52.05K→49.64K
Total
Net shares
−2.41K
Net value
-$22.04K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 5/18/2026 | S · Sale | −2.41K | $9.13 | $22.04K | 4.6% | 52.05K | 49.64K |
| Total | −2.41K | -$22.04K | ||||||
Derivative Transactions0
No derivative transactions reported