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Insider Trading - Ciechanover Isaac E.
| | "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>> SPAC List: List of Special Purpose Acquisition Companies |
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2018-02-08 Sale | 2018-02-12 5:09 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 8,800 | $37.44 | $329,429 | 282,878 (Indirect Direct) | View |
| 2018-02-13 Sale | 2018-02-14 7:54 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 20,000 | $46.8 | $935,956 | 262,878 (Indirect Direct) | View |
| 2018-02-15 Sale | 2018-02-20 8:22 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 20,000 | $46.92 | $938,459 | 242,878 (Indirect Direct) | View |
| 2018-02-20 Sale | 2018-02-22 7:42 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 17,800 | $44.65 | $794,733 | 225,078 (Indirect Direct) | View |
| 2018-03-12 Sale | 2018-03-14 5:23 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 1,000 | $46.31 | $46,314 | 224,078 (Indirect Direct) | View |
| 2018-03-15 Sale | 2018-03-19 4:36 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 8,800 | $42.13 | $370,748 | 215,278 (Indirect Direct) | View |
| 2018-03-26 Sale | 2018-03-27 8:30 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 8,800 | $38.59 | $339,549 | 206,478 (Indirect Direct) | View |
| 2018-03-26 Sale(A) | 2018-04-03 6:55 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 200 | $38.4 | $7,680 | 206,478 (Indirect) | View |
| 2018-04-11 Sale | 2018-04-12 6:14 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 8,800 | $41.87 | $368,472 | 197,678 (Indirect Direct) | View |
| 2018-04-26 Sale | 2018-04-30 4:15 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 8,800 | $42.46 | $373,659 | 188,878 (Indirect Direct) | View |
| 2018-05-09 Sale | 2018-05-10 7:46 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 8,800 | $39.85 | $350,637 | 180,078 (Indirect Direct) | View |
| 2018-05-21 Sale | 2018-05-22 7:02 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 8,800 | $51.74 | $455,313 | 171,278 (Indirect Direct) | View |
| 2018-06-05 Sale | 2018-06-06 7:18 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 8,800 | $48.56 | $427,288 | 162,478 (Indirect Direct) | View |
| 2018-06-26 Sale | 2018-06-27 7:15 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 6,400 | $39.6 | $253,425 | 156,078 (Indirect Direct) | View |
| 2018-07-09 Sale | 2018-07-11 4:09 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 58,400 | $40 | $2,335,739 | 97,678 (Indirect Direct) | View |
| 2018-07-26 Sale | 2018-07-30 4:43 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 7,800 | $38 | $296,432 | 89,878 (Indirect Direct) | View |
| 2018-08-06 Sale | 2018-08-07 5:56 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 7,800 | $37.43 | $291,957 | 82,078 (Indirect Direct) | View |
| 2018-08-20 Sale | 2018-08-22 4:19 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 7,800 | $36.36 | $283,647 | 74,278 (Indirect Direct) | View |
| 2018-09-06 Sale | 2018-09-10 4:19 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 7,800 | $39.35 | $306,923 | 66,478 (Indirect Direct) | View |
| 2018-09-18 Sale | 2018-09-20 4:26 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 7,800 | $39.81 | $310,479 | 58,678 (Indirect Direct) | View |
| 2018-10-04 Sale | 2018-10-05 7:45 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 7,800 | $40.22 | $313,753 | 50,878 (Indirect Direct) | View |
| 2018-10-22 Sale | 2018-10-23 6:10 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 7,800 | $33.95 | $264,796 | 43,078 (Indirect Direct) | View |
| 2018-11-14 Sale | 2018-11-15 7:06 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 7,800 | $34.62 | $270,052 | 35,278 (Indirect Direct) | View |
| 2018-11-28 Sale | 2018-11-29 7:39 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 7,800 | $40.39 | $315,035 | 27,478 (Indirect Direct) | View |
| 2018-12-12 Sale | 2018-12-13 6:58 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 7,800 | $42.66 | $332,709 | 19,678 (Indirect Direct) | View |
| 2018-12-27 Sale | 2018-12-28 6:51 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 7,800 | $33.88 | $264,233 | 11,878 (Indirect Direct) | View |
| 2019-01-09 Sale | 2019-01-10 6:08 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 7,800 | $34.55 | $269,470 | 4,078 (Indirect Direct) | View |
| 2019-01-23 Sale | 2019-01-25 8:16 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 7,800 | $35.06 | $273,433 | 296,452 (Indirect Direct) | View |
| 2019-02-09 Sale | 2019-02-12 7:18 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 7,800 | $38.76 | $302,367 | 342,138 (Indirect Direct) | View |
| 2019-02-27 Sale | 2019-03-01 4:10 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 7,800 | $36.14 | $281,891 | 335,537 (Indirect Direct) | View |
| 2019-03-14 Sale | 2019-03-18 4:13 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 7,800 | $39.48 | $307,953 | 327,737 (Indirect Direct) | View |
| 2019-03-28 Sale | 2019-04-01 4:16 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 7,800 | $38.66 | $301,546 | 319,937 (Indirect Direct) | View |
| 2019-04-10 Sale | 2019-04-12 4:19 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 7,800 | $36.66 | $285,909 | 312,137 (Indirect Direct) | View |
| 2019-04-25 Sale | 2019-04-29 5:36 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 7,800 | $33.54 | $261,582 | 304,337 (Indirect Direct) | View |
| 2019-05-13 Sale | 2019-05-15 4:35 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 7,800 | $24.61 | $191,973 | 296,537 (Indirect Direct) | View |
| 2019-05-29 Sale | 2019-05-31 4:16 pm | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 5,850 | $23.09 | $135,089 | 290,687 (Indirect 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 |
| 2018-02-15 Exercise | 2018-02-20 8:22 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 3,938 | $0 | 812,613 (Direct) | View |
| 2018-02-15 Exercise | 2018-02-20 8:22 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 3,938 | $0 | 0 (Direct) | View |
| 2018-09-22 Tax Withholding | 2018-09-25 4:17 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 79,328 | $39.85 | 733,285 (Direct) | View |
| 2019-02-06 Tax Withholding | 2019-02-08 4:27 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 24,683 | $0 | 375,611 (Direct) | View |
| 2019-02-06 Tax Withholding | 2019-02-12 7:17 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 24,683 | $38.47 | 375,611 (Direct) | View |
| 2019-02-09 Tax Withholding | 2019-02-12 7:18 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 20,324 | $38.49 | 334,618 (Direct) | View |
| 2019-02-15 Tax Withholding | 2019-02-19 5:06 pm | N/A N/A | Atara Biotherapeutics Inc. | ATRA | Ciechanover Isaac E. CEO | 1,176 | $40.45 | 332,243 (Direct) | View |