SEC Form 4 Reporting Owner · CIK 0001977970
Anhco Nguyen
CEO at Atara Biotherapeutics Inc
Bought (12 mo)
—
Sold (12 mo)
−$142K
Form 4 Filings
16
Companies
1
Filing Activity
2026-08-26
first filed 2023-08-18
Trading record
Open-market buys
—
0 filings
Open-market sales
−$316K
13 filings
Sales under a 10b5-1 plan
0%
0 of 13 sale filings
Companies
| Company | Role | Filings | Bought | Sold | Net | Holding after latest filing |
|---|---|---|---|---|---|---|
| ATRAAtara Biotherapeutics Insider trading | CEO | 16 | — | 106,891 | −106,891 | 132,775 2026-08-26 |
Common-stock shares bought and sold on the open market, as reported on Form 4. The holding is what the latest filing at each company reported owning after its transactions.