Gad Soffer serves as Executive at Atara Biotherapeutics, Inc., where they oversee executive responsibilities. Since joining the company, Gad Soffer has executed 56 insider transactions totaling $2.5M, demonstrating a bearish approach to their equity position. Their most recent transaction on Sep 22, 2018 involved selling 22,158 shares valued at $883.0K.
Gad Soffer currently holds 243,966 shares of Atara Biotherapeutics, Inc. (ATRA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Gad Soffer has been a net seller of ATRA stock. They have purchased $0 and sold $2.5M worth of shares.
Gad Soffer's most recent insider trade was on Sep 22, 2018, when they sold 22,158 shares at $39.85 per share.
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| $35.90 |
| Discretionary |
| May 15, 2018 | ATRA | $17.5K | Payment | 382 | $45.90 | Discretionary |
| Feb 15, 2018 | ATRA | $68.5K | Payment | 1,456 | $47.05 | Discretionary |
| Feb 15, 2018 | ATRA | $0 | Option Exercise | 2,764 | $N/A | Discretionary |
| Feb 9, 2018 | ATRA | $173.8K | Payment | 4,169 | $41.70 | Discretionary |
| Feb 6, 2018 | ATRA | $0 | Award | 17,500 | $N/A | Discretionary |
| Feb 6, 2018 | ATRA | $142.7K | Payment | 3,987 | $35.80 | Discretionary |
| Nov 17, 2017 | ATRA | $105.0K | Sale | 7,000 | $15.00 | Discretionary |
| Nov 15, 2017 | ATRA | $0 | Option Exercise | 4,146 | $N/A | Discretionary |
| Aug 16, 2017 | ATRA | $35.8K | Sale | 2,464 | $14.53 | Discretionary |
| Aug 15, 2017 | ATRA | $0 | Option Exercise | 4,145 | $N/A | Discretionary |
| Aug 15, 2017 | ATRA | $105.0K | Sale | 7,000 | $15.00 | Discretionary |
| May 16, 2017 | ATRA | $86.2K | Sale | 5,674 | $15.19 | Discretionary |
| May 15, 2017 | ATRA | $0 | Option Exercise | 6,410 | $N/A | Discretionary |
| May 15, 2017 | ATRA | $105.9K | Sale | 7,000 | $15.13 | Discretionary |
| May 15, 2017 | ATRA | $0 | Option Exercise | 4,146 | $N/A | Discretionary |
| Mar 10, 2017 | ATRA | $50.0K | Sale | 2,500 | $20.00 | Discretionary |
| Feb 16, 2017 | ATRA | $113.6K | Sale | 7,273 | $15.62 | Discretionary |
| Feb 15, 2017 | ATRA | $0 | Option Exercise | 4,146 | $N/A | Discretionary |
| Feb 15, 2017 | ATRA | $0 | Option Exercise | 9,616 | $N/A | Discretionary |
| Feb 14, 2017 | ATRA | $106.5K | Sale | 7,000 | $15.22 | Discretionary |
| Feb 10, 2017 | ATRA | $6.5K | Sale | 400 | $16.13 | Discretionary |
| Feb 10, 2017 | ATRA | $90.6K | Sale | 5,874 | $15.42 | Discretionary |
| Nov 17, 2016 | ATRA | $27.2K | Sale | 1,480 | $18.41 | Discretionary |
| Nov 16, 2016 | ATRA | $137.5K | Sale | 7,136 | $19.27 | Discretionary |
| Nov 15, 2016 | ATRA | $0 | Option Exercise | 4,146 | $N/A | Discretionary |
| Nov 15, 2016 | ATRA | $0 | Option Exercise | 9,615 | $N/A | Discretionary |
| Nov 14, 2016 | ATRA | $196.9K | Sale | 9,582 | $20.55 | Discretionary |
| Sep 22, 2016 | ATRA | $0 | Award | 90,000 | $N/A | Discretionary |