Isaac E. Ciechanover serves as Executive at Atara Biotherapeutics, Inc., where they oversee executive responsibilities. Since joining the company, Isaac E. Ciechanover has executed 350 insider transactions totaling $25.6M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 14, 2018 involved selling 600 shares valued at $20.7K.
Isaac E. Ciechanover currently holds 290,687 shares of Atara Biotherapeutics, Inc. (ATRA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Isaac E. Ciechanover has been a net seller of ATRA stock. They have purchased $0 and sold $25.6M worth of shares.
Isaac E. Ciechanover's most recent insider trade was on Nov 14, 2018, when they sold 600 shares at $34.51 per share.
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| $33.89 |
| Discretionary |
| Oct 23, 2018 | ATRA | $46.4K | Sale | 1,400 | $33.17 | Discretionary |
| Oct 23, 2018 | ATRA | $58.5K | Sale | 1,700 | $34.39 | Discretionary |
| Oct 23, 2018 | ATRA | $28.1K | Sale | 800 | $35.18 | Discretionary |
| Oct 22, 2018 | ATRA | $104.5K | Sale | 3,105 | $33.66 | Discretionary |
| Oct 22, 2018 | ATRA | $27.2K | Sale | 795 | $34.26 | Discretionary |
| Oct 5, 2018 | ATRA | $75.2K | Sale | 1,900 | $39.58 | Discretionary |
| Oct 5, 2018 | ATRA | $4.1K | Sale | 100 | $41.00 | Discretionary |
| Oct 5, 2018 | ATRA | $76.5K | Sale | 1,900 | $40.25 | Discretionary |
| Oct 4, 2018 | ATRA | $53.7K | Sale | 1,300 | $41.34 | Discretionary |
| Oct 4, 2018 | ATRA | $104.2K | Sale | 2,600 | $40.09 | Discretionary |
| Sep 22, 2018 | ATRA | $3.2M | Payment | 79,328 | $39.85 | Discretionary |
| Sep 19, 2018 | ATRA | $156.0K | Sale | 3,900 | $39.99 | Discretionary |
| Sep 18, 2018 | ATRA | $154.5K | Sale | 3,900 | $39.62 | Discretionary |
| Sep 7, 2018 | ATRA | $82.4K | Sale | 2,073 | $39.74 | Discretionary |
| Sep 7, 2018 | ATRA | $73.5K | Sale | 1,827 | $40.23 | Discretionary |
| Sep 6, 2018 | ATRA | $44.2K | Sale | 1,120 | $39.42 | Discretionary |
| Sep 6, 2018 | ATRA | $106.9K | Sale | 2,780 | $38.45 | Discretionary |
| Aug 21, 2018 | ATRA | $143.1K | Sale | 3,900 | $36.69 | Discretionary |
| Aug 20, 2018 | ATRA | $140.6K | Sale | 3,900 | $36.04 | Discretionary |
| Aug 7, 2018 | ATRA | $11.3K | Sale | 300 | $37.75 | Discretionary |
| Aug 7, 2018 | ATRA | $134.5K | Sale | 3,600 | $37.35 | Discretionary |
| Aug 6, 2018 | ATRA | $146.2K | Sale | 3,900 | $37.48 | Discretionary |
| Jul 27, 2018 | ATRA | $63.8K | Sale | 1,700 | $37.53 | Discretionary |
| Jul 27, 2018 | ATRA | $80.4K | Sale | 2,200 | $36.55 | Discretionary |
| Jul 26, 2018 | ATRA | $3.9K | Sale | 100 | $39.45 | Discretionary |
| Jul 26, 2018 | ATRA | $148.3K | Sale | 3,800 | $39.02 | Discretionary |
| Jul 10, 2018 | ATRA | $890.4K | Sale | 22,300 | $39.93 | Discretionary |
| Jul 10, 2018 | ATRA | $247.3K | Sale | 6,100 | $40.54 | Discretionary |