Nguyen AnhCo
SEC insider (Form 3/4/5 filer). CIK 0001977970. President and CEO at Atara Biotherapeutics, Inc. (ATRA). 16 reported Form 4/5 transactions since Sep 2024; latest on Aug 17, 2026. Located in THOUSAND OAKS, CA.
Companies Nguyen AnhCo has filed insider reports for
- Atara Biotherapeutics, Inc. (ATRA): Director, Officer, President and CEO
Nguyen AnhCo
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.
SaleDirect5.1K shares at avg. $8.08$41K - May 18, 2026ATRA
Atara Biotherapeutics, Inc.
SaleDirect5.2K shares at avg. $9.13$48K - Mar 9, 2026ATRA
Atara Biotherapeutics, Inc.
AwardDirect81.1K shares- - Mar 2, 2026ATRA
Atara Biotherapeutics, Inc.
SaleDirect198 shares at avg. $5.08$1K - Mar 2, 2026ATRA
Atara Biotherapeutics, Inc.
SaleDirect58 shares at avg. $5.08$294.64 - Mar 2, 2026ATRA
Atara Biotherapeutics, Inc.
SaleDirect1.4K shares at avg. $5.09$7K - Mar 2, 2026ATRA
Atara Biotherapeutics, Inc.
SaleDirect1.3K shares at avg. $5.09$7K - Nov 17, 2025ATRA
Atara Biotherapeutics, Inc.
SaleDirect2.9K shares at avg. $13.19$38K - Nov 17, 2025ATRA
Atara Biotherapeutics, Inc.
SaleDirect56 shares at avg. $13.19$738.528 - Aug 18, 2025ATRA
Atara Biotherapeutics, Inc.
SaleDirect57 shares at avg. $11.61$661.941
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 17, 2026 | ATRA Atara Biotherapeutics, Inc. | Sale | 5,062 | $8.08 | $40,883 | Direct |
| May 18, 2026 | ATRA Atara Biotherapeutics, Inc. | Sale | 5,241 | $9.13 | $47,845 | Direct |
| Mar 9, 2026 | ATRA Atara Biotherapeutics, Inc. | Award | 81,100 | - | $0 | Direct |
| Mar 2, 2026 | ATRA Atara Biotherapeutics, Inc. | Sale | 198 | $5.08 | $1,006 | Direct |
| Mar 2, 2026 | ATRA Atara Biotherapeutics, Inc. | Sale | 58 | $5.08 | $295 | Direct |
| Mar 2, 2026 | ATRA Atara Biotherapeutics, Inc. | Sale | 1,442 | $5.09 | $7,335 | Direct |
| Mar 2, 2026 | ATRA Atara Biotherapeutics, Inc. | Sale | 1,298 | $5.09 | $6,602 | Direct |
| Nov 17, 2025 | ATRA Atara Biotherapeutics, Inc. | Sale | 2,859 | $13.19 | $37,699 | Direct |
| Nov 17, 2025 | ATRA Atara Biotherapeutics, Inc. | Sale | 56 | $13.19 | $739 | Direct |
| Aug 18, 2025 | ATRA Atara Biotherapeutics, Inc. | Sale | 57 | $11.61 | $662 | Direct |
1-10 of 16 transactions