NGUYEN ANHCO (President and CEO) sold 4.6% of their position (3K shares) of ATARA BIOTHERAPEUTICS, INC. on the open market
Open‑market sale worth $15.2K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 4 sales
Filed: 3/4/2026ACC: 0000905148-26-001143
DirectorOfficer· President and CEO
Since Mar 2026
-3K
Net shares
Net seller
$15.2K
Total sold
4
Open market trades
0B · 4S
4
Total transactions
3K disposed
Non-Derivative Transactions4
Common Stock
Direct
Shares
−198.00
Price / share
$5.08
Trade value
$1.01K
% of position
0.3%
3/2/2026
64.97K→64.78K
Common Stock
Direct
Shares
−58.00
Price / share
$5.08
Trade value
$294.64
% of position
0.1%
3/2/2026
64.78K→64.72K
Common Stock
Direct
Shares
−1.30K
Price / share
$5.09
Trade value
$6.60K
% of position
2.0%
3/2/2026
64.72K→63.42K
Common Stock
Direct
Shares
−1.44K
Price / share
$5.09
Trade value
$7.34K
% of position
2.3%
3/2/2026
63.42K→61.98K
Total
Net shares
−3K
Net value
-$15.24K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 3/2/2026 | S · Sale | −198.00 | $5.08 | $1.01K | 0.3% | 64.97K | 64.78K |
| Common Stock Direct | 3/2/2026 | S · Sale | −58.00 | $5.08 | $294.64 | 0.1% | 64.78K | 64.72K |
| Common Stock Direct | 3/2/2026 | S · Sale | −1.30K | $5.09 | $6.60K | 2.0% | 64.72K | 63.42K |
| Common Stock Direct | 3/2/2026 | S · Sale | −1.44K | $5.09 | $7.34K | 2.3% | 63.42K | 61.98K |
| Total | −3K | -$15.24K | ||||||
Derivative Transactions0
No derivative transactions reported