Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
| 2025-07-17 Purchase |
2025-07-21 09:00 am |
Atara Biotherapeutics Inc. | ATRA | Panacea Innovation Ltd Huang James 10% Owner |
19,335 | $9.6391 | $186,372 | 1,350,000 (Indirect) |
View |
| 2025-05-16 Sale |
2025-05-20 4:59 pm |
Atara Biotherapeutics Inc. | ATRA | Grant-Huerta Yanina Chief Accounting Officer |
2,218 | $6.763 | $15,000 | 37,067 (Direct) |
View |
| 2025-05-16 Sale |
2025-05-20 4:58 pm |
Atara Biotherapeutics Inc. | ATRA | Nguyen AnhCo President and CEO |
3,276 | $6.763 | $22,156 | 70,847 (Direct) |
View |
| 2025-03-03 Sale |
2025-03-05 5:17 pm |
Atara Biotherapeutics Inc. | ATRA | Nguyen AnhCo President and CEO |
3,331 | $6.997 | $23,307 | 74,123 (Direct) |
View |
| 2025-03-03 Sale |
2025-03-05 5:17 pm |
Atara Biotherapeutics Inc. | ATRA | Hyllengren Eric J EVP, CFO and COO |
1,211 | $6.997 | $8,473 | 56,231 (Direct) |
View |
| 2025-03-03 Sale |
2025-03-05 5:16 pm |
Atara Biotherapeutics Inc. | ATRA | Henrich Jill EVP, Chief Regulatory Officer |
1,059 | $6.997 | $7,410 | 18,679 (Direct) |
View |
| 2024-11-18 Sale |
2024-11-20 6:05 pm |
Atara Biotherapeutics Inc. | ATRA | Henrich Jill EVP, Chief Regulatory Officer |
1,000 | $11.2 | $11,198 | 19,378 (Direct) |
View |
| 2024-11-18 Sale |
2024-11-20 6:04 pm |
Atara Biotherapeutics Inc. | ATRA | Hyllengren Eric J EVP, CFO and COO |
1,364 | $11.2 | $15,274 | 23,392 (Direct) |
View |
| 2024-11-18 Sale |
2024-11-20 6:04 pm |
Atara Biotherapeutics Inc. | ATRA | Nguyen AnhCo President and CEO |
1,664 | $11.2 | $18,633 | 77,454 (Direct) |
View |
| 2024-08-16 Sale |
2024-08-20 6:27 pm |
Atara Biotherapeutics Inc. | ATRA | Touchon Pascal President and CEO |
3,038 | $6.6291 | $20,139 | 70,127 (Direct) |
View |
| 2024-08-16 Sale |
2024-08-20 6:27 pm |
Atara Biotherapeutics Inc. | ATRA | Nguyen AnhCo EVP, Chief Sci. & Tech Officer |
1,821 | $6.6292 | $12,072 | 34,118 (Direct) |
View |
| 2024-08-16 Sale |
2024-08-20 6:27 pm |
Atara Biotherapeutics Inc. | ATRA | Murugan Amar EVP, Chief Legal Officer |
1,158 | $6.6293 | $7,677 | 26,827 (Direct) |
View |
| 2024-08-16 Sale |
2024-08-20 6:27 pm |
Atara Biotherapeutics Inc. | ATRA | Hyllengren Eric J EVP, CFO |
1,070 | $6.6291 | $7,093 | 24,756 (Direct) |
View |
| 2024-08-16 Sale |
2024-08-20 6:26 pm |
Atara Biotherapeutics Inc. | ATRA | Henrich Jill EVP, Global Head RA & Quality |
963 | $6.6293 | $6,384 | 20,378 (Direct) |
View |
| 2024-05-16 Sale |
2024-05-20 8:34 pm |
Atara Biotherapeutics Inc. | ATRA | Touchon Pascal President and CEO |
81,506 | $0.617 | $50,289 | 1,829,146 (Direct) |
View |
| 2024-05-16 Sale |
2024-05-20 8:34 pm |
Atara Biotherapeutics Inc. | ATRA | Nguyen AnhCo EVP, Chief Sci. & Tech Officer |
42,899 | $0.617 | $26,469 | 898,498 (Direct) |
View |
| 2024-05-16 Sale |
2024-05-20 8:33 pm |
Atara Biotherapeutics Inc. | ATRA | Murugan Amar EVP, Chief Legal Officer |
32,401 | $0.617 | $19,991 | 695,120 (Direct) |
View |
| 2024-05-16 Sale |
2024-05-20 8:33 pm |
Atara Biotherapeutics Inc. | ATRA | Hyllengren Eric J EVP, CFO |
28,648 | $0.617 | $17,676 | 645,671 (Direct) |
View |
| 2024-05-16 Sale |
2024-05-20 8:32 pm |
Atara Biotherapeutics Inc. | ATRA | Henrich Jill EVP, Global Head RA & Quality |
25,750 | $0.617 | $15,888 | 529,251 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
| 2025-06-10 Option Award |
2025-06-12 8:39 pm |
N/A N/A |
Atara Biotherapeutics Inc. | ATRA | Gallagher Carol Giltner Director |
7,828 | $0 | 33,012 (Direct) |
View |
| 2025-06-10 Option Award |
2025-06-12 8:39 pm |
N/A N/A |
Atara Biotherapeutics Inc. | ATRA | Fust Matthew K Director |
7,828 | $0 | 18,188 (Direct) |
View |
| 2025-06-10 Option Award |
2025-06-12 8:39 pm |
N/A N/A |
Atara Biotherapeutics Inc. | ATRA | Touchon Pascal Director |
7,828 | $0 | 77,955 (Direct) |
View |
| 2025-06-10 Option Award |
2025-06-12 8:39 pm |
N/A N/A |
Atara Biotherapeutics Inc. | ATRA | Roncarolo Maria Grazia Director |
7,828 | $0 | 17,368 (Direct) |
View |
| 2025-06-10 Option Award |
2025-06-12 8:38 pm |
N/A N/A |
Atara Biotherapeutics Inc. | ATRA | MALLIK AMEET Director |
7,828 | $0 | 16,928 (Direct) |
View |
| 2025-06-10 Option Award |
2025-06-12 8:36 pm |
N/A N/A |
Atara Biotherapeutics Inc. | ATRA | HEIDEN WILLIAM K Director |
7,828 | $0 | 22,188 (Direct) |
View |
Ownership |
2025-05-23 4:01 pm |
N/A N/A |
Atara Biotherapeutics Inc. | ATRA | Redmile Group LLC Green Jeremy Director |
0 | $0 | 3,863,519 (Indirect) |
View |
Ownership |
2025-05-21 6:00 pm |
N/A N/A |
Atara Biotherapeutics Inc. | ATRA | Panacea Innovation Ltd Huang James 10% Owner |
0 | $0 | 1,638,565 (Indirect) |
View |
| 2025-05-16 Option Award |
2025-05-16 6:26 pm |
N/A N/A |
Atara Biotherapeutics Inc. | ATRA | Adiumentum Capital Fund I LP Adiumentum Capital Fund I GP LLC Ciongoli Gregory Austin See remarks 10% Owner |
227,000 | $6.6099 | 1,586,588 (Direct) |
View |
| 2025-05-16 Option Award |
2025-05-16 6:26 pm |
N/A N/A |
Atara Biotherapeutics Inc. | ATRA | Adiumentum Capital Fund I LP Adiumentum Capital Fund I GP LLC Ciongoli Gregory Austin See remarks 10% Owner |
75,572 | $6.61 | 1,586,588 (Direct) |
View |
Ownership |
2025-04-10 7:14 pm |
N/A N/A |
Atara Biotherapeutics Inc. | ATRA | Grant-Huerta Yanina Chief Accounting Officer |
0 | $0 | 42,010 (Direct) |
View |
| 2025-01-27 Option Award |
2025-01-29 4:52 pm |
N/A N/A |
Atara Biotherapeutics Inc. | ATRA | Hyllengren Eric J EVP, CFO and COO |
34,050 | $0 | 57,442 (Direct) |
View |
| 2024-09-09 Option Award |
2024-09-11 5:03 pm |
N/A N/A |
Atara Biotherapeutics Inc. | ATRA | Nguyen AnhCo President and CEO |
45,000 | $0 | 79,118 (Direct) |
View |
Ownership |
2024-09-05 6:42 pm |
N/A N/A |
Atara Biotherapeutics Inc. | ATRA | Adiumentum Capital Fund I LP Adiumentum Capital Fund I GP LLC Ciongoli Gregory Austin Director 10% Owner |
0 | $0 | 1,284,016 (Direct) |
View |
| 2024-03-31 Option Award |
2024-04-02 6:13 pm |
N/A N/A |
Atara Biotherapeutics Inc. | ATRA | Fust Matthew K Director |
150,000 | $0 | 259,000 (Direct) |
View |
| 2024-03-31 Option Award |
2024-04-02 6:12 pm |
N/A N/A |
Atara Biotherapeutics Inc. | ATRA | HEIDEN WILLIAM K Director |
150,000 | $0 | 359,000 (Direct) |
View |
| 2024-03-31 Option Award |
2024-04-02 6:12 pm |
N/A N/A |
Atara Biotherapeutics Inc. | ATRA | Roncarolo Maria Grazia Director |
150,000 | $0 | 238,500 (Direct) |
View |
| 2024-03-31 Option Award |
2024-04-02 6:12 pm |
N/A N/A |
Atara Biotherapeutics Inc. | ATRA | Gallagher Carol Giltner Director |
150,000 | $0 | 629,608 (Direct) |
View |
| 2024-03-31 Option Award |
2024-04-02 6:11 pm |
N/A N/A |
Atara Biotherapeutics Inc. | ATRA | MALLIK AMEET Director |
150,000 | $0 | 227,500 (Direct) |
View |