Atara Biotherapeutics, Inc. Insider Trading for September 2015
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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview
Overview of insider trading in Atara Biotherapeutics, Inc. for September 2015.
| Date | Ticker | Company | Owner | Relationship | Transaction | Code | Cost ($) | Shares | Transaction Value ($) | Total Shares | % Holdings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 25 2015 | ATRA | Atara Biotherapeut ... | Ciechanover Isaac E. | Chief Executive Off ... | Sell | S | 43.06 | 1,500 | 64,590 | 402,411 | 403.9 K to 402.4 K (-0.37 %) |
| Sep 25 2015 | ATRA | Atara Biotherapeut ... | Ciechanover Isaac E. | Chief Executive Off ... | Sell | S | 42.17 | 1,100 | 46,387 | 403,911 | 405 K to 403.9 K (-0.27 %) |
| Sep 25 2015 | ATRA | Atara Biotherapeut ... | Ciechanover Isaac E. | Chief Executive Off ... | Sell | S | 43.29 | 2,600 | 112,554 | 405,011 | 407.6 K to 405 K (-0.64 %) |
| Sep 21 2015 | ATRA | Atara Biotherapeut ... | SEIDENBERG BETH C | Director | Buy | J | 0.00 | 197 | 0 | 197 | 0 to 197 |
| Sep 21 2015 | ATRA | Atara Biotherapeut ... | SEIDENBERG BETH C | Director | Buy | J | 0.00 | 197 | 0 | 197 | 0 to 197 |
| Sep 21 2015 | ATRA | Atara Biotherapeut ... | SEIDENBERG BETH C | Director | Buy | J | 0.00 | 3,693 | 0 | 3,693 | 0 to 3.7 K |
| Sep 21 2015 | ATRA | Atara Biotherapeut ... | SEIDENBERG BETH C | Director | Sell | J | 0.00 | 43,518 | 0 | 4,716 | 48.2 K to 4.7 K (-90.22 %) |
| Sep 21 2015 | ATRA | Atara Biotherapeut ... | SEIDENBERG BETH C | Director | Buy | J | 0.00 | 48,234 | 0 | 48,234 | 0 to 48.2 K |
| Sep 21 2015 | ATRA | Atara Biotherapeut ... | SEIDENBERG BETH C | Director | Sell | J | 0.00 | 8,700 | 0 | 54,422 | 63.1 K to 54.4 K (-13.78 %) |
| Sep 21 2015 | ATRA | Atara Biotherapeut ... | SEIDENBERG BETH C | Director | Sell | J | 0.00 | 291,300 | 0 | 1,822,228 | 2.1 M to 1.8 M (-13.78 %) |
| Sep 14 2015 | ATRA | Atara Biotherapeut ... | Ciechanover Isaac E. | Chief Executive Off ... | Sell | S | 47.74 | 100 | 4,774 | 407,611 | 407.7 K to 407.6 K (-0.02 %) |
| Sep 14 2015 | ATRA | Atara Biotherapeut ... | Ciechanover Isaac E. | Chief Executive Off ... | Sell | S | 46.83 | 1,700 | 79,611 | 407,711 | 409.4 K to 407.7 K (-0.42 %) |
| Sep 14 2015 | ATRA | Atara Biotherapeut ... | Ciechanover Isaac E. | Chief Executive Off ... | Sell | S | 45.42 | 800 | 36,336 | 409,411 | 410.2 K to 409.4 K (-0.20 %) |
| Sep 14 2015 | ATRA | Atara Biotherapeut ... | Ciechanover Isaac E. | Chief Executive Off ... | Sell | S | 46.73 | 400 | 18,692 | 410,211 | 410.6 K to 410.2 K (-0.10 %) |
| Sep 14 2015 | ATRA | Atara Biotherapeut ... | Ciechanover Isaac E. | Chief Executive Off ... | Sell | S | 45.98 | 1,800 | 82,764 | 410,611 | 412.4 K to 410.6 K (-0.44 %) |
| Sep 14 2015 | ATRA | Atara Biotherapeut ... | Ciechanover Isaac E. | Chief Executive Off ... | Sell | S | 44.67 | 400 | 17,868 | 412,411 | 412.8 K to 412.4 K (-0.10 %) |
| Sep 01 2015 | ATRA | Atara Biotherapeut ... | Haqq Christopher | Chief Medical Offic ... | Sell | S | 42.10 | 3,900 | 164,190 | 240,890 | 244.8 K to 240.9 K (-1.59 %) |
| Sep 01 2015 | ATRA | Atara Biotherapeut ... | Haqq Christopher | Chief Medical Offic ... | Sell | S | 41.61 | 1,100 | 45,771 | 244,790 | 245.9 K to 244.8 K (-0.45 %) |