Quick Takeaways
- AnhCo Nguyen has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $636,697.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of AnhCo Nguyen
- Location
- Thousand Oaks, CA
- Summary
- The estimated net worth of AnhCo Nguyen is at least $636,697 dollars as of 11 Mar 2026. AnhCo Nguyen is the President and CEO, Director of Atara Biotherapeutics, Inc. and owns shares of Atara Biotherapeutics, Inc. (ATRA) stock worth about $636.7K.
- Signature
- /s/ John Chao, Attorney-in-Fact for AnhCo Nguyen
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow AnhCo Nguyen and return when a new Insider Trading filing appears.
This tracks SEC filing changes for this page using existing product update flows.
What Changed
- Largest disclosed position: Atara Biotherapeutics, Inc. ($636,697).
- Past-year value change for that position: -$110,191.
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Official SEC Source
Filed on Form 4
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
See Original FilingOwnership of AnhCo Nguyen
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| ATRA | Atara Biotherapeutics, Inc. | President and CEO, Director | $636,697 | -$110,191 | -15% | 09 Mar 2026 |
Insider Transactions Reported by AnhCo Nguyen:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.