AnhCo Nguyen
CIK: 0001977970
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Atara Biotherapeutics, Inc.
Discretionary Trading P&L
Holdings
Transaction History (16 total)
- Aug 17, 2026ATRA
Atara Biotherapeutics, Inc.
Sale(S)Direct5.1K shares at avg. $8.08$41K - May 18, 2026ATRA
Atara Biotherapeutics, Inc.
Sale(S)Direct5.2K shares at avg. $9.13$48K - Mar 9, 2026ATRA
Atara Biotherapeutics, Inc.
Award(A)Direct81.1K shares- - Mar 2, 2026ATRA
Atara Biotherapeutics, Inc.
Sale(S)Direct198 shares at avg. $5.08$1K - Mar 2, 2026ATRA
Atara Biotherapeutics, Inc.
Sale(S)Direct58 shares at avg. $5.08$294.64 - Mar 2, 2026ATRA
Atara Biotherapeutics, Inc.
Sale(S)Direct1.4K shares at avg. $5.09$7K - Mar 2, 2026ATRA
Atara Biotherapeutics, Inc.
Sale(S)Direct1.3K shares at avg. $5.09$7K - Nov 17, 2025ATRA
Atara Biotherapeutics, Inc.
Sale(S)Direct2.9K shares at avg. $13.19$38K - Nov 17, 2025ATRA
Atara Biotherapeutics, Inc.
Sale(S)Direct56 shares at avg. $13.19$738.528 - Aug 18, 2025ATRA
Atara Biotherapeutics, Inc.
Sale(S)Direct57 shares at avg. $11.61$661.941 - Aug 18, 2025ATRA
Atara Biotherapeutics, Inc.
Sale(S)Direct1.3K shares at avg. $11.62$15K - Aug 18, 2025ATRA
Atara Biotherapeutics, Inc.
Sale(S)Direct1.6K shares at avg. $11.62$19K - May 16, 2025ATRA
Atara Biotherapeutics, Inc.
Sale(S)Direct3.3K shares at avg. $6.76$22K - Mar 3, 2025ATRA
Atara Biotherapeutics, Inc.
Sale(S)Direct3.3K shares at avg. $7.00$23K - Nov 18, 2024ATRA
Atara Biotherapeutics, Inc.
Sale(S)Direct1.7K shares at avg. $11.20$19K - Sep 9, 2024ATRA
Atara Biotherapeutics, Inc.
Award(A)Direct45K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 17, 2026 | ATRA Atara Biotherapeutics, Inc. | Sale(S) | 5,062 | $8.08 | $40,883 | Direct |
| May 18, 2026 | ATRA Atara Biotherapeutics, Inc. | Sale(S) | 5,241 | $9.13 | $47,845 | Direct |
| Mar 9, 2026 | ATRA Atara Biotherapeutics, Inc. | Award(A) | 81,100 | - | $0 | Direct |
| Mar 2, 2026 | ATRA Atara Biotherapeutics, Inc. | Sale(S) | 198 | $5.08 | $1,006 | Direct |
| Mar 2, 2026 | ATRA Atara Biotherapeutics, Inc. | Sale(S) | 58 | $5.08 | $295 | Direct |
| Mar 2, 2026 | ATRA Atara Biotherapeutics, Inc. | Sale(S) | 1,442 | $5.09 | $7,335 | Direct |
| Mar 2, 2026 | ATRA Atara Biotherapeutics, Inc. | Sale(S) | 1,298 | $5.09 | $6,602 | Direct |
| Nov 17, 2025 | ATRA Atara Biotherapeutics, Inc. | Sale(S) | 2,859 | $13.19 | $37,699 | Direct |
| Nov 17, 2025 | ATRA Atara Biotherapeutics, Inc. | Sale(S) | 56 | $13.19 | $739 | Direct |
| Aug 18, 2025 | ATRA Atara Biotherapeutics, Inc. | Sale(S) | 57 | $11.61 | $662 | Direct |
| Aug 18, 2025 | ATRA Atara Biotherapeutics, Inc. | Sale(S) | 1,281 | $11.62 | $14,879 | Direct |
| Aug 18, 2025 | ATRA Atara Biotherapeutics, Inc. | Sale(S) | 1,620 | $11.62 | $18,820 | Direct |
| May 16, 2025 | ATRA Atara Biotherapeutics, Inc. | Sale(S) | 3,276 | $6.76 | $22,156 | Direct |
| Mar 3, 2025 | ATRA Atara Biotherapeutics, Inc. | Sale(S) | 3,331 | $7.00 | $23,307 | Direct |
| Nov 18, 2024 | ATRA Atara Biotherapeutics, Inc. | Sale(S) | 1,664 | $11.20 | $18,633 | Direct |
| Sep 9, 2024 | ATRA Atara Biotherapeutics, Inc. | Award(A) | 45,000 | - | $0 | Direct |
1-16 of 16 transactions
About Nguyen AnhCo
Nguyen AnhCo (SEC CIK 0001977970) files insider reports with the SEC as President and CEO of Atara Biotherapeutics, Inc. (ATRA).
Signal8 holds 10 ownership filings by Nguyen AnhCo, all Form 4s, filed between Sep 11, 2024 and Aug 26, 2026. Those filings report 16 transactions, from Sep 9, 2024 to Aug 17, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Nguyen AnhCo's filings is in THOUSAND OAKS, CA.
Recent filings by Nguyen AnhCo
- Aug 17, 2026: Open-market sale of ATRA shares (Form 4, code S).
- May 18, 2026: Open-market sale of ATRA shares (Form 4, code S).
- Mar 9, 2026: Grant or award of ATRA shares (Form 4, code A).
- Mar 2, 2026: Open-market sales of ATRA shares (4 lines, Form 4, code S).
- Nov 17, 2025: Open-market sales of ATRA shares (2 lines, Form 4, code S).
Other insiders filing for Atara Biotherapeutics, Inc. (ATRA)
- Cherry Brian N, Director
- Redmile Group, LLC, Director
- Sarney Kevin G, Interim CFO
- HEIDEN WILLIAM K, Director
- Fust Matthew K, Director
- Ciongoli Gregory Austin, Director