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Insider Trading - Clark Mitchall G.
| | "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>> |
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2016-05-16 Sale | 2016-05-18 7:03 pm | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. Chief R & QA Officer | 4,153 | $15.15 | $62,918 | 83,759 (Direct) | View |
| 2016-11-15 Sale | 2016-11-17 4:28 pm | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. Chief R & QA Officer | 2,995 | $19.53 | $58,492 | 95,187 (Direct) | View |
| 2017-02-15 Sale | 2017-02-16 8:09 pm | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 3,059 | $15.96 | $48,822 | 149,661 (Direct) | View |
| 2017-05-15 Sale | 2017-05-17 4:57 pm | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 3,873 | $15.25 | $59,063 | 153,000 (Direct) | View |
| 2017-08-15 Sale | 2017-08-17 5:34 pm | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 3,021 | $14.33 | $43,291 | 159,130 (Direct) | View |
| 2017-11-15 Sale | 2017-11-17 6:26 pm | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 3,290 | $14.2 | $46,718 | 163,052 (Direct) | View |
| 2018-03-27 Sale | 2018-03-28 8:10 pm | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 100,203 | $37.87 | $3,795,062 | 156,071 (Direct) | View |
| 2018-03-29 Sale | 2018-04-03 4:14 pm | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 22,400 | $40.07 | $897,568 | 133,671 (Direct) | View |
| 2018-05-15 Sale | 2018-05-16 8:38 pm | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 4,647 | $46.06 | $214,026 | 133,832 (Direct) | View |
| 2018-05-18 Sale | 2018-05-21 6:32 pm | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 25,860 | $50.03 | $1,293,776 | 107,972 (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 |
| 2016-05-16 Exercise | 2016-05-18 7:03 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. Chief R & QA Officer | 7,212 | $0 | 83,759 (Direct) | View |
| 2016-05-16 Exercise | 2016-05-18 7:03 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. Chief R & QA Officer | 7,212 | $0 | 83,759 (Direct) | View |
| 2016-08-15 Exercise | 2016-08-17 7:49 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. Chief R & QA Officer | 7,211 | $0 | 48,077 (Direct) | View |
| 2016-08-15 Exercise | 2016-08-17 7:49 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. Chief R & QA Officer | 7,211 | $0 | 48,077 (Direct) | View |
| 2016-11-15 Exercise | 2016-11-17 4:28 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. Chief R & QA Officer | 7,212 | $0 | 95,187 (Direct) | View |
| 2016-11-15 Exercise | 2016-11-17 4:28 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. Chief R & QA Officer | 7,212 | $0 | 95,187 (Direct) | View |
| 2017-02-06 Option Award | 2017-02-08 5:34 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 49,500 | $0 | 144,687 (Direct) | View |
| 2017-02-15 Exercise | 2017-02-16 8:09 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 7,211 | $0 | 149,661 (Direct) | View |
| 2017-02-15 Exercise | 2017-02-16 8:09 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 7,211 | $0 | 149,661 (Direct) | View |
| 2017-05-15 Exercise | 2017-05-17 4:57 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 7,212 | $0 | 153,000 (Direct) | View |
| 2017-05-15 Exercise | 2017-05-17 4:57 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 7,212 | $0 | 153,000 (Direct) | View |
| 2017-08-15 Exercise | 2017-08-17 5:34 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 7,211 | $0 | 159,130 (Direct) | View |
| 2017-08-15 Exercise | 2017-08-17 5:34 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 7,211 | $0 | 159,130 (Direct) | View |
| 2017-11-15 Exercise | 2017-11-17 6:26 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 7,212 | $0 | 163,052 (Direct) | View |
| 2017-11-15 Exercise | 2017-11-17 6:26 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 7,212 | $0 | 163,052 (Direct) | View |
| 2018-02-06 Option Award | 2018-02-08 5:43 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 25,000 | $0 | 50,000 (Direct) | View |
| 2018-02-06 Tax Withholding | 2018-02-08 5:43 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 4,437 | $35.8 | 50,000 (Direct) | View |
| 2018-02-06 Option Award | 2018-02-08 5:43 pm | N/A 2025-02-06 | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 50,000 | $35.8 | 50,000 (Direct) | View |
| 2018-02-09 Tax Withholding | 2018-02-12 8:56 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 3,704 | $41.7 | 179,913 (Direct) | View |
| 2018-02-15 Exercise | 2018-02-20 8:23 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 7,211 | $0 | 4,808 (Direct) | View |
| 2018-02-15 Tax Withholding | 2018-02-20 8:23 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 3,604 | $47.05 | 4,808 (Direct) | View |
| 2018-02-15 Exercise | 2018-02-20 8:23 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 7,211 | $0 | 4,808 (Direct) | View |
| 2018-03-27 Exercise | 2018-03-28 8:10 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 28,848 | $25.15 | 156,071 (Direct) | View |
| 2018-03-27 Exercise | 2018-03-28 8:10 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 32,500 | $22.72 | 156,071 (Direct) | View |
| 2018-03-27 Exercise | 2018-03-28 8:10 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 11,406 | $11 | 156,071 (Direct) | View |
| 2018-03-27 Exercise | 2018-03-28 8:10 pm | N/A 2022-01-16 | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 28,848 | $25.15 | 156,071 (Direct) | View |
| 2018-03-27 Exercise | 2018-03-28 8:10 pm | N/A 2022-12-17 | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 32,500 | $22.72 | 156,071 (Direct) | View |
| 2018-03-27 Exercise | 2018-03-28 8:10 pm | N/A 2021-10-14 | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 11,406 | $11 | 156,071 (Direct) | View |
| 2018-05-15 Exercise | 2018-05-16 8:38 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 4,808 | $0 | 133,832 (Direct) | View |
| 2018-05-15 Exercise | 2018-05-16 8:38 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Clark Mitchall G. EVP & Chief R & QA Officer | 4,808 | $0 | 133,832 (Direct) | View |