| 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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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 35 sells.
Estimated insider holdings value: $3.0M based on current market prices.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|
| Dec 28, 2018 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 7,800 | $33.88 | $264,232.61 | -12.1% | |
| Dec 13, 2018 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 7,800 | $42.66 | $332,709.00 | -15.3% | |
| Nov 29, 2018 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 7,800 | $40.39 | $315,035.00 | -6.0% | |
| Nov 15, 2018 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 7,800 | $34.62 | $270,052.00 | -4.9% | |
| Oct 23, 2018 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 7,800 | $33.95 | $264,796.00 | -3.3% | |
| Oct 5, 2018 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 7,800 | $40.22 | $313,753.00 | -2.9% | |
| Sep 19, 2018 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 7,800 | $39.81 | $310,479.00 | -6.0% | |
| Sep 7, 2018 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 7,800 | $39.35 | $306,922.63 | -2.7% | |
| Aug 21, 2018 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 7,800 | $36.37 | $283,647.00 | -4.9% | |
| Aug 7, 2018 | ATRA Atara Biotherapeutics, Inc. | Chief Executive Officer | Sell | 7,800 | $37.43 | $291,957.00 | -3.0% |