| 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 53 sells.
Estimated insider holdings value: $3.0M based on current market prices.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|
| Mar 12, 2018 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 1,000 | $46.31 | $46,314.00 | -0.2% | |
| Feb 22, 2018 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 17,800 | $44.65 | $794,733.45 | -1.3% | |
| Feb 16, 2018 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sale+OE | 20,000 | $46.92 | $938,458.95 | -1.0% | |
| Feb 14, 2018 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 20,000 | $46.80 | $935,956.00 | -1.5% | |
| Feb 9, 2018 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 8,800 | $37.44 | $329,429.00 | -0.5% | |
| Jan 26, 2018 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 19,300 | $35.26 | $680,534.00 | -1.1% | |
| Jan 24, 2018 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 48,500 | $34.58 | $1,677,279.20 | -1.4% | |
| Jan 16, 2018 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 600 | $30.38 | $18,228.00 | -0.2% | |
| Jan 12, 2018 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 28,700 | $21.39 | $613,843.00 | -1.5% | |
| Dec 29, 2017 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 22,200 | $18.29 | $405,958.00 | -1.4% |