| 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 52 sells.
Estimated insider holdings value: $3.0M based on current market prices.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|
| Nov 24, 2015 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 4,800 | $35.03 | $168,163.00 | -0.3% | |
| Oct 22, 2015 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 3,200 | $25.85 | $82,726.00 | -0.2% | |
| Oct 7, 2015 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 4,000 | $33.08 | $132,336.00 | -0.2% | |
| Sep 24, 2015 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 5,200 | $42.99 | $223,531.00 | -0.4% | |
| Sep 11, 2015 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 5,200 | $46.16 | $240,045.00 | -0.2% | |
| Aug 28, 2015 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 5,200 | $39.25 | $204,086.00 | -0.3% | |
| Jul 31, 2015 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 5,200 | $56.18 | $292,160.00 | -0.3% | |
| Jul 17, 2015 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 5,200 | $60.71 | $315,680.00 | -0.3% | |
| Jul 1, 2015 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 5,200 | $50.42 | $262,160.00 | -0.2% | |
| Jun 18, 2015 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 5,200 | $54.72 | $284,545.00 | -0.2% |