| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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Chief Executive Officer
1 company
Ciechanover Isaac E. is a Chief Executive Officer at Atara Biotherapeutics, Inc.. Recent SEC Form 4 filings include 0 buys and 30 sells.
Estimated insider holdings value: $3.0M based on current market prices.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|
| Jun 24, 2016 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 9,600 | $21.26 | $204,048.00 | -1.4% | |
| Jun 8, 2016 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 12,000 | $20.53 | $246,372.00 | -1.1% | |
| May 26, 2016 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 7,200 | $17.69 | $127,368.00 | -1.0% | |
| Apr 26, 2016 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 1,300 | $20.12 | $26,159.00 | -0.2% | |
| Apr 12, 2016 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 13,210 | $20.40 | $269,484.20 | -1.8% | |
| Apr 1, 2016 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 1,190 | $20.03 | $23,838.60 | -0.2% | |
| Jan 14, 2016 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 2,400 | $20.20 | $48,468.00 | -0.3% | |
| Dec 31, 2015 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 2,400 | $26.00 | $62,388.00 | -0.2% | |
| Dec 15, 2015 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 2,400 | $22.46 | $53,908.00 | - | |
| Dec 4, 2015 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 4,000 | $37.45 | $149,780.00 | -0.2% |