| 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 23 sells.
Estimated insider holdings value: $3.0M based on current market prices.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|
| May 31, 2017 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 6,900 | $13.35 | $92,115.00 | -0.7% | |
| May 18, 2017 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 4,800 | $14.91 | $71,568.00 | -0.5% | |
| Apr 26, 2017 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 7,200 | $17.56 | $126,405.00 | -0.5% | |
| Apr 11, 2017 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 7,200 | $17.03 | $122,598.00 | -0.7% | |
| Mar 28, 2017 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 16,000 | $20.06 | $320,943.66 | -1.1% | |
| Mar 17, 2017 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 30,800 | $19.38 | $596,808.00 | -2.0% | |
| Feb 16, 2017 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sale+OE | 4,800 | $15.56 | $74,664.00 | -0.7% | |
| Feb 3, 2017 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 4,800 | $13.66 | $65,568.00 | -0.7% | |
| Jan 18, 2017 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 6,000 | $14.24 | $85,416.00 | -0.8% | |
| Jan 6, 2017 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 8,400 | $16.89 | $141,864.00 | -1.1% |