Who
AnhCo Nguyen
President and CEO
Company insider
Files Form 4 as: President and CEO, Atara Biotherapeutics.
In numbers
- Trades disclosed
- 32
- Buys
- 0
- Sells
- 13
- Bought
- $0
- Sold
- $420K
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 16 Aug 2023
- Last trade
- 17 Aug 2026
- Last filed
- 26 Aug 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 17 Aug 2026filed 26 Aug 2026 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $41K5,062 at $8.08 | filing |
| 17 Aug 2026filed 26 Aug 2026 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $41K5,062 at $8.08 | filing |
| 18 May 2026filed 20 May 2026 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $48K5,241 at $9.13 | filing |
| 18 May 2026filed 20 May 2026 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $48K5,241 at $9.13 | filing |
| 9 Mar 2026filed 11 Mar 2026 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Code A | —81,100 at $0.00 | filing |
| 9 Mar 2026filed 11 Mar 2026 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Code A | —81,100 at $0.00 | filing |
| 2 Mar 2026filed 4 Mar 2026 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $1,006198 at $5.08 | filing |
| 2 Mar 2026filed 4 Mar 2026 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $29558 at $5.08 | filing |
| 2 Mar 2026filed 4 Mar 2026 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $6,6021,298 at $5.09 | filing |
| 2 Mar 2026filed 4 Mar 2026 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $7,3351,442 at $5.09 | filing |
| 2 Mar 2026filed 4 Mar 2026 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $1,006198 at $5.08 | filing |
| 2 Mar 2026filed 4 Mar 2026 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $29558 at $5.08 | filing |
| 2 Mar 2026filed 4 Mar 2026 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $6,6071,298 at $5.09 | filing |
| 2 Mar 2026filed 4 Mar 2026 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $7,3401,442 at $5.09 | filing |
| 17 Nov 2025filed 19 Nov 2025 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $38K2,859 at $13.19 | filing |
| 17 Nov 2025filed 19 Nov 2025 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $73956 at $13.19 | filing |
| 18 Aug 2025filed 20 Aug 2025 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $66257 at $11.61 | filing |
| 18 Aug 2025filed 20 Aug 2025 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $15K1,281 at $11.62 | filing |
| 18 Aug 2025filed 20 Aug 2025 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $19K1,620 at $11.62 | filing |
| 16 May 2025filed 20 May 2025 | ATRA Atara BiotherapeuticsBiotechnology | SEC FORM 4 Sold | $22K3,276 at $6.76 | filing |
News
No headline names them, or the companies they trade most, lately.