Mitchall G. Clark Insider Trading Transactions
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General | Insider Transactions | Monthly Overview
Get the latest insider transactions of Mitchall G. Clark. Mitchall G. Clark is Chief R & QA Officer in Atara Biotherapeutics, Inc. ($ATRA) and EVP & Chief R & QA Officer in Atara Biotherapeutics, Inc. ($ATRA).
Latest Insider Trading Transactions of Mitchall G. Clark
| 1 Week | 2 Weeks | 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | |
|---|---|---|---|---|---|---|---|
| No. of Purchases | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Value of Purchases ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| No. of Sales | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Value of Sales ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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| Date | Ticker | Company | Owner | Relationship | Transaction | Code | Cost ($) | Shares | Transaction Value ($) | Total Shares | % Holdings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 21 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Sell | S | 50.03 | 25,860 | 1,293,776 | 107,972 | 133.8 K to 108 K (-19.32 %) |
| May 16 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Option Exercise | M | 0.00 | 4,808 | 0 | 0 | |
| May 16 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Sell | S | 46.30 | 300 | 13,890 | 133,832 | 134.1 K to 133.8 K (-0.22 %) |
| May 16 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Sell | S | 46.04 | 4,347 | 200,136 | 134,132 | 138.5 K to 134.1 K (-3.14 %) |
| May 16 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Buy | M | 0.00 | 4,808 | 0 | 138,479 | 133.7 K to 138.5 K (+3.60 %) |
| Apr 03 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Sell | S | 40.07 | 22,400 | 897,568 | 133,671 | 156.1 K to 133.7 K (-14.35 %) |
| Mar 28 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Option Exercise | M | 11.00 | 11,406 | 125,466 | 3,125 | |
| Mar 28 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Option Exercise | M | 22.72 | 32,500 | 738,400 | 32,500 | |
| Mar 28 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Option Exercise | M | 25.15 | 28,848 | 725,527 | 11,194 | |
| Mar 28 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Sell | S | 41.10 | 11,103 | 456,333 | 156,071 | 167.2 K to 156.1 K (-6.64 %) |
| Mar 28 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Sell | S | 40.40 | 2,800 | 113,120 | 167,174 | 170 K to 167.2 K (-1.65 %) |
| Mar 28 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Sell | S | 39.53 | 2,170 | 85,780 | 169,974 | 172.1 K to 170 K (-1.26 %) |
| Mar 28 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Sell | S | 38.23 | 29,980 | 1,146,135 | 172,144 | 202.1 K to 172.1 K (-14.83 %) |
| Mar 28 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Sell | S | 37.10 | 31,356 | 1,163,308 | 202,124 | 233.5 K to 202.1 K (-13.43 %) |
| Mar 28 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Sell | S | 36.43 | 22,794 | 830,385 | 233,480 | 256.3 K to 233.5 K (-8.89 %) |
| Mar 28 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Buy | M | 11.00 | 11,406 | 125,466 | 256,274 | 244.9 K to 256.3 K (+4.66 %) |
| Mar 28 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Buy | M | 22.72 | 32,500 | 738,400 | 244,868 | 212.4 K to 244.9 K (+15.30 %) |
| Mar 28 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Buy | M | 25.15 | 28,848 | 725,527 | 212,368 | 183.5 K to 212.4 K (+15.72 %) |
| Feb 20 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Option Exercise | M | 0.00 | 7,211 | 0 | 4,808 | |
| Feb 20 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Payment of Exercise | F | 47.05 | 3,604 | 169,568 | 183,520 | 187.1 K to 183.5 K (-1.93 %) |
| Feb 20 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Buy | M | 0.00 | 7,211 | 0 | 187,124 | 179.9 K to 187.1 K (+4.01 %) |
| Feb 12 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Payment of Exercise | F | 41.70 | 3,704 | 154,457 | 179,913 | 183.6 K to 179.9 K (-2.02 %) |
| Feb 08 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Option Exercise | A | 35.80 | 50,000 | 1,790,000 | 50,000 | |
| Feb 08 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Payment of Exercise | F | 35.80 | 4,437 | 158,845 | 183,617 | 188.1 K to 183.6 K (-2.36 %) |
| Feb 08 2018 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Grant | A | 0.00 | 25,000 | 0 | 188,054 | 163.1 K to 188.1 K (+15.33 %) |
| Nov 17 2017 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Option Exercise | M | 0.00 | 7,212 | 0 | 12,019 | |
| Nov 17 2017 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Sell | S | 14.20 | 3,290 | 46,718 | 163,052 | 166.3 K to 163.1 K (-1.98 %) |
| Nov 17 2017 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Buy | M | 0.00 | 7,212 | 0 | 166,342 | 159.1 K to 166.3 K (+4.53 %) |
| Aug 17 2017 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Option Exercise | M | 0.00 | 7,211 | 0 | 19,231 | |
| Aug 17 2017 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Sell | S | 14.33 | 3,021 | 43,291 | 159,130 | 162.2 K to 159.1 K (-1.86 %) |
| Aug 17 2017 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Buy | M | 0.00 | 7,211 | 0 | 162,151 | 154.9 K to 162.2 K (+4.65 %) |
| May 17 2017 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Option Exercise | M | 0.00 | 7,212 | 0 | 26,442 | |
| May 17 2017 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Sell | S | 15.25 | 3,873 | 59,063 | 153,000 | 156.9 K to 153 K (-2.47 %) |
| May 17 2017 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Buy | M | 0.00 | 7,212 | 0 | 156,873 | 149.7 K to 156.9 K (+4.82 %) |
| Feb 16 2017 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Option Exercise | M | 0.00 | 7,211 | 0 | 33,654 | |
| Feb 16 2017 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Sell | S | 15.96 | 3,059 | 48,822 | 149,661 | 152.7 K to 149.7 K (-2.00 %) |
| Feb 16 2017 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Buy | M | 0.00 | 7,211 | 0 | 152,720 | 145.5 K to 152.7 K (+4.96 %) |
| Feb 08 2017 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | EVP & Chief R & QA ... | Grant | A | 0.00 | 49,500 | 0 | 144,687 | 95.2 K to 144.7 K (+52.00 %) |
| Nov 17 2016 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Option Exercise | M | 0.00 | 7,212 | 0 | 40,865 | |
| Nov 17 2016 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Sell | S | 19.53 | 2,995 | 58,492 | 95,187 | 98.2 K to 95.2 K (-3.05 %) |
| Nov 17 2016 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Buy | M | 0.00 | 7,212 | 0 | 98,182 | 91 K to 98.2 K (+7.93 %) |
| Aug 17 2016 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Option Exercise | M | 0.00 | 7,211 | 0 | 48,077 | |
| Aug 17 2016 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Buy | M | 0.00 | 7,211 | 0 | 90,970 | 83.8 K to 91 K (+8.61 %) |
| May 18 2016 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Option Exercise | M | 0.00 | 7,212 | 0 | 55,288 | |
| May 18 2016 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Sell | S | 15.15 | 4,153 | 62,918 | 83,759 | 87.9 K to 83.8 K (-4.72 %) |
| May 18 2016 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Buy | M | 0.00 | 7,212 | 0 | 87,912 | 80.7 K to 87.9 K (+8.94 %) |
| Feb 18 2016 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Option Exercise | M | 0.00 | 7,211 | 0 | 62,500 | |
| Feb 18 2016 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Sell | S | 15.35 | 4,153 | 63,749 | 80,700 | 84.9 K to 80.7 K (-4.89 %) |
| Feb 18 2016 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Buy | M | 0.00 | 7,211 | 0 | 84,853 | 77.6 K to 84.9 K (+9.29 %) |
| Feb 11 2016 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Grant | A | 0.00 | 42,857 | 0 | 77,642 | 34.8 K to 77.6 K (+123.21 %) |
| Dec 21 2015 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Option Exercise | A | 22.72 | 65,000 | 1,476,800 | 65,000 | |
| Nov 18 2015 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Option Exercise | M | 0.00 | 4,808 | 0 | 69,711 | |
| Nov 18 2015 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Sell | S | 31.67 | 4,153 | 131,526 | 34,785 | 38.9 K to 34.8 K (-10.67 %) |
| Nov 18 2015 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Buy | M | 0.00 | 4,808 | 0 | 38,938 | 34.1 K to 38.9 K (+14.09 %) |
| Aug 19 2015 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Option Exercise | M | 11.00 | 469 | 5,159 | 14,531 | |
| Aug 19 2015 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Option Exercise | M | 25.15 | 1,291 | 32,469 | 40,042 | |
| Aug 19 2015 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Option Exercise | M | 0.00 | 9,615 | 0 | 74,519 | |
| Aug 19 2015 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Sell | S | 46.19 | 7,829 | 361,622 | 34,130 | 42 K to 34.1 K (-18.66 %) |
| Aug 19 2015 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Buy | M | 11.00 | 469 | 5,159 | 41,959 | 41.5 K to 42 K (+1.13 %) |
| Aug 19 2015 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Buy | M | 25.15 | 1,291 | 32,469 | 41,490 | 40.2 K to 41.5 K (+3.21 %) |
| Aug 19 2015 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Buy | M | 0.00 | 9,615 | 0 | 40,199 | 30.6 K to 40.2 K (+31.44 %) |
| May 19 2015 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Option Exercise | M | 0.00 | 31,250 | 0 | 84,134 | |
| May 19 2015 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Payment of Exercise | F | 37.30 | 13,066 | 487,362 | 30,584 | 43.7 K to 30.6 K (-29.93 %) |
| May 19 2015 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Buy | M | 0.00 | 31,250 | 0 | 43,650 | 12.4 K to 43.7 K (+252.02 %) |
| Oct 23 2014 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Option Exercise | A | 0.00 | 115,384 | 0 | 115,384 | |
| Oct 16 2014 | ATRA | Atara Biotherapeut ... | Clark Mitchall G. | Chief R & QA Office ... | Option Exercise | M | 11.00 | 15,000 | 165,000 | 15,000 |
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