ATRA Insider Transactions
717 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
ATRA insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|
| Nguyen AnhCo | President and CEO | 2026-08-17 | Sale | 5,062 | $8.0764 |
|---|
| Nguyen AnhCo | President and CEO | 2026-05-18 | Sale | 5,241.0 | $9.13 |
|---|
| Grant-Huerta Yanina | Chief Accounting Officer | 2026-05-18 | Sale | 2,414.0 | $9.13 |
|---|
| Huang James | Director,TenPercentOwner | 2026-05-07 | Sale | 313,446.0 | $10.1 |
|---|
| Panacea Innovation Ltd | TenPercentOwner | 2026-05-07 | Sale | 313,446.0 | $10.1 |
|---|
| EcoR1 Capital, LLC | TenPercentOwner | 2026-05-07 | Purchase | 507,407.0 | $9.35 |
|---|
| Grant-Huerta Yanina | Chief Accounting Officer | 2026-03-02 | Sale | 100.0 | $5.08 |
|---|
| Grant-Huerta Yanina | Chief Accounting Officer | 2026-03-02 | Sale | 377.0 | $5.08 |
|---|
| Grant-Huerta Yanina | Chief Accounting Officer | 2026-03-02 | Sale | 1,603.0 | $5.08 |
|---|
| Grant-Huerta Yanina | Chief Accounting Officer | 2026-03-02 | Sale | 24.0 | $5.08 |
|---|
| Nguyen AnhCo | President and CEO | 2026-03-02 | Sale | 1,442.0 | $5.09 |
|---|
| Nguyen AnhCo | President and CEO | 2026-03-02 | Sale | 1,298.0 | $5.09 |
|---|
| Nguyen AnhCo | President and CEO | 2026-03-02 | Sale | 58.0 | $5.08 |
|---|
| Nguyen AnhCo | President and CEO | 2026-03-02 | Sale | 198.0 | $5.08 |
|---|
| Huang James | Director,TenPercentOwner | 2026-01-12 | Sale | 80,554.0 | $6.07 |
|---|
| Panacea Innovation Ltd | TenPercentOwner | 2026-01-12 | Sale | 80,554.0 | $6.07 |
|---|
| Nguyen AnhCo | President and CEO | 2025-11-17 | Sale | 56.0 | $13.19 |
|---|
| Nguyen AnhCo | President and CEO | 2025-11-17 | Sale | 2,859.0 | $13.19 |
|---|
| Grant-Huerta Yanina | Chief Accounting Officer | 2025-11-17 | Sale | 74.0 | $13.19 |
|---|
| Grant-Huerta Yanina | Chief Accounting Officer | 2025-11-17 | Sale | 85.0 | $13.19 |
|---|
| Grant-Huerta Yanina | Chief Accounting Officer | 2025-11-17 | Sale | 1,645.0 | $13.19 |
|---|
| Nguyen AnhCo | President and CEO | 2025-08-18 | Sale | 1,620.0 | $11.62 |
|---|
| Nguyen AnhCo | President and CEO | 2025-08-18 | Sale | 1,281.0 | $11.62 |
|---|
| Nguyen AnhCo | President and CEO | 2025-08-18 | Sale | 57.0 | $11.61 |
|---|
| Grant-Huerta Yanina | Chief Accounting Officer | 2025-08-18 | Sale | 1,668.0 | $11.61 |
|---|
| Grant-Huerta Yanina | Chief Accounting Officer | 2025-08-18 | Sale | 86.0 | $11.61 |
|---|
| Grant-Huerta Yanina | Chief Accounting Officer | 2025-08-18 | Sale | 55.0 | $11.61 |
|---|
| Huang James | Director,TenPercentOwner | 2025-08-15 | Purchase | 55,000.0 | $12.19 |
|---|
| Panacea Innovation Ltd | TenPercentOwner | 2025-08-15 | Purchase | 55,000.0 | $12.19 |
|---|
| Huang James | Director,TenPercentOwner | 2025-07-17 | Purchase | 19,335.0 | $9.64 |
|---|
| Panacea Innovation Ltd | TenPercentOwner | 2025-07-17 | Purchase | 19,335.0 | $9.64 |
|---|
| Grant-Huerta Yanina | Chief Accounting Officer | 2025-05-16 | Sale | 2,218.0 | $6.76 |
|---|
| Nguyen AnhCo | President and CEO | 2025-05-16 | Sale | 3,276.0 | $6.76 |
|---|
| Nguyen AnhCo | President and CEO | 2025-03-03 | Sale | 3,331.0 | $7.0 |
|---|
| Hyllengren Eric J | EVP, CFO and COO | 2025-03-03 | Sale | 1,211.0 | $7.0 |
|---|
| Henrich Jill | EVP, Chief Regulatory Officer | 2025-03-03 | Sale | 1,059.0 | $7.0 |
|---|
| Henrich Jill | EVP, Chief Regulatory Officer | 2024-11-18 | Sale | 1,000.0 | $11.2 |
|---|
| Hyllengren Eric J | EVP, CFO and COO | 2024-11-18 | Sale | 1,364.0 | $11.2 |
|---|
| Nguyen AnhCo | President and CEO | 2024-11-18 | Sale | 1,664.0 | $11.2 |
|---|
| Touchon Pascal | President and CEO | 2024-08-16 | Sale | 276.0 | $6.63 |
|---|
| Touchon Pascal | President and CEO | 2024-08-16 | Sale | 2,762.0 | $6.63 |
|---|
| Nguyen AnhCo | EVP, Chief Sci. & Tech Officer | 2024-08-16 | Sale | 56.0 | $6.63 |
|---|
| Nguyen AnhCo | EVP, Chief Sci. & Tech Officer | 2024-08-16 | Sale | 297.0 | $6.63 |
|---|
| Nguyen AnhCo | EVP, Chief Sci. & Tech Officer | 2024-08-16 | Sale | 1,468.0 | $6.63 |
|---|
| Murugan Amar | EVP, Chief Legal Officer | 2024-08-16 | Sale | 89.0 | $6.63 |
|---|
| Murugan Amar | EVP, Chief Legal Officer | 2024-08-16 | Sale | 192.0 | $6.63 |
|---|
| Murugan Amar | EVP, Chief Legal Officer | 2024-08-16 | Sale | 877.0 | $6.63 |
|---|
| Hyllengren Eric J | EVP, CFO | 2024-08-16 | Sale | 29.0 | $6.63 |
|---|
| Hyllengren Eric J | EVP, CFO | 2024-08-16 | Sale | 1,041.0 | $6.63 |
|---|
| Henrich Jill | EVP, Global Head RA & Quality | 2024-08-16 | Sale | 132.0 | $6.63 |
|---|
| Henrich Jill | EVP, Global Head RA & Quality | 2024-08-16 | Sale | 831.0 | $6.63 |
|---|
| Touchon Pascal | President and CEO | 2024-05-16 | Sale | 81,506.0 | $0.62 |
|---|
| Nguyen AnhCo | EVP, Chief Sci. & Tech Officer | 2024-05-16 | Sale | 42,899.0 | $0.62 |
|---|
| Murugan Amar | EVP, Chief Legal Officer | 2024-05-16 | Sale | 32,401.0 | $0.62 |
|---|
| Hyllengren Eric J | EVP, CFO | 2024-05-16 | Sale | 28,648.0 | $0.62 |
|---|
| Henrich Jill | EVP, Global Head RA & Quality | 2024-05-16 | Sale | 25,750.0 | $0.62 |
|---|
| Touchon Pascal | President and CEO | 2024-03-04 | Sale | 24,844.0 | $0.72 |
|---|
| Nguyen AnhCo | EVP, Chief Sci. & Tech Officer | 2024-03-04 | Sale | 10,746.0 | $0.72 |
|---|
| Murugan Amar | EVP, Chief Legal Officer | 2024-03-04 | Sale | 10,044.0 | $0.72 |
|---|
| Hyllengren Eric J | EVP, CFO | 2024-03-04 | Sale | 5,217.0 | $0.72 |
|---|
| Hyllengren Eric J | EVP, CFO | 2024-03-04 | Sale | 1,462.0 | $0.72 |
|---|
| Henrich Jill | EVP, Global Head RA & Quality | 2024-03-04 | Sale | 3,879.0 | $0.72 |
|---|
| Touchon Pascal | President and CEO | 2023-11-16 | Sale | 20,409.0 | $0.39 |
|---|
| Nguyen AnhCo | EVP, Chief Sci. & Tech Officer | 2023-11-16 | Sale | 8,856.0 | $0.39 |
|---|
| Murugan Amar | EVP, Chief Legal Officer | 2023-11-16 | Sale | 8,307.0 | $0.39 |
|---|
| Joshi Manher | EVP, Chief Medical Officer | 2023-11-16 | Sale | 12,287.0 | $0.39 |
|---|
| Hyllengren Eric J | SVP, CFO | 2023-11-16 | Sale | 11,958.0 | $0.39 |
|---|
| Henrich Jill | EVP, Global Head RA & Quality | 2023-11-16 | Sale | 3,267.0 | $0.39 |
|---|
| Gallagher Carol Giltner | Director | 2023-11-14 | Purchase | 90,980.0 | $0.31 |
|---|
| Gallagher Carol Giltner | Director | 2023-11-13 | Purchase | 179,020.0 | $0.22 |
|---|
| HEIDEN WILLIAM K | Director | 2023-11-10 | Purchase | 100,000.0 | $0.25 |
|---|
| DOBMEIER ERIC | Director | 2023-11-10 | Purchase | 446,825.0 | $0.23 |
|---|
| Hyllengren Eric J | SVP, CFO | 2023-08-16 | Sale | 1,778.0 | $1.65 |
|---|
| Hyllengren Eric J | SVP, CFO | 2023-08-16 | Sale | 6,408.0 | $1.65 |
|---|
| Murugan Amar | EVP, Chief Legal Officer | 2023-08-16 | Sale | 3,622.0 | $1.65 |
|---|
| Murugan Amar | EVP, Chief Legal Officer | 2023-08-16 | Sale | 5,050.0 | $1.65 |
|---|
| Touchon Pascal | President and CEO | 2023-08-16 | Sale | 9,334.0 | $1.65 |
|---|
| Touchon Pascal | President and CEO | 2023-08-16 | Sale | 21,432.0 | $1.65 |
|---|
| Nguyen AnhCo | EVP, Chief Sci. & Tech Officer | 2023-08-16 | Sale | 9,277.0 | $1.65 |
|---|
| Nguyen AnhCo | EVP, Chief Sci. & Tech Officer | 2023-08-16 | Sale | 5,849.0 | $1.65 |
|---|
| Joshi Manher | EVP, Chief Medical Officer | 2023-08-16 | Sale | 3,773.0 | $1.65 |
|---|
| Joshi Manher | EVP, Chief Medical Officer | 2023-08-16 | Sale | 3,202.0 | $1.65 |
|---|
| Henrich Jill | EVP, Global Head RA & Quality | 2023-08-16 | Sale | 558.0 | $1.65 |
|---|
| Henrich Jill | EVP, Global Head RA & Quality | 2023-08-16 | Sale | 2,788.0 | $1.65 |
|---|
| Touchon Pascal | President and CEO | 2023-06-27 | Sale | 14,291.0 | $1.66 |
|---|
| Banard Charlene A. | EVP, Chief Technical Officer | 2023-05-16 | Sale | 19,040.0 | $2.04 |
|---|
| Murugan Amar | EVP, Chief Legal Officer | 2023-05-16 | Sale | 985.0 | $2.04 |
|---|
| Murugan Amar | EVP, Chief Legal Officer | 2023-05-16 | Sale | 7,404.0 | $2.04 |
|---|
| Touchon Pascal | President and CEO | 2023-05-16 | Sale | 29,766.0 | $2.04 |
|---|
| Hyllengren Eric J | SVP, CFO | 2023-05-16 | Sale | 1,719.0 | $2.04 |
|---|
| Hyllengren Eric J | SVP, CFO | 2023-05-16 | Sale | 6,199.0 | $2.04 |
|---|
| Touchon Pascal | President and CEO | 2023-03-02 | Sale | 15,679.0 | $3.63 |
|---|
| Murugan Amar | SVP, GC & Secretary | 2023-03-02 | Sale | 4,221.0 | $3.63 |
|---|
| Koppikar Utpal | Chief Financial Officer | 2023-03-02 | Sale | 6,871.0 | $3.63 |
|---|
| Dupont Jakob | EVP, Head of R&D | 2023-03-02 | Sale | 5,074.0 | $3.63 |
|---|
| Koppikar Utpal | Chief Financial Officer | 2023-02-07 | Sale | 2,485.0 | $5.46 |
|---|
| Dupont Jakob | EVP, Head of R&D | 2022-11-16 | Sale | 1,124.0 | $4.49 |
|---|
| Dupont Jakob | EVP, Head of R&D | 2022-11-16 | Sale | 3,218.0 | $4.49 |
|---|
| Touchon Pascal | President and CEO | 2022-11-16 | Sale | 15,591.0 | $4.49 |
|---|
| Murugan Amar | SVP, GC & Secretary | 2022-11-16 | Sale | 3,612.0 | $4.49 |
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