| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
EVP &Chief R &Qa Officer | Chief R &Qa Officer
1 company
Clark Mitchall G. is an EVP &Chief R &Qa Officer at Atara Biotherapeutics, Inc.. Recent SEC Form 4 filings include 0 buys and 16 sells.
Estimated insider holdings value: $1.1M based on current market prices.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|
| May 18, 2018 | ATRA Atara Biotherapeutics, Inc. | EVP &Chief R &Qa Officer | Sell | 25,860 | $50.03 | $1,293,775.80 | -19.3% | |
| May 16, 2018 | ATRA Atara Biotherapeutics, Inc. | EVP &Chief R &Qa Officer | Sale+OE | 4,647 | $46.06 | $214,025.88 | -1.7% | |
| Mar 29, 2018 | ATRA Atara Biotherapeutics, Inc. | EVP &Chief R &Qa Officer | Sell | 22,400 | $40.07 | $897,568.00 | -14.4% | |
| Mar 27, 2018 | ATRA Atara Biotherapeutics, Inc. | EVP &Chief R &Qa Officer | Sale+OE | 100,203 | $37.87 | $3,795,061.82 | -8.3% | |
| Nov 16, 2017 | ATRA Atara Biotherapeutics, Inc. | EVP &Chief R &Qa Officer | Sale+OE | 3,290 | $14.20 | $46,718.00 | -2.0% | |
| Aug 16, 2017 | ATRA Atara Biotherapeutics, Inc. | EVP &Chief R &Qa Officer | Sale+OE | 3,021 | $14.33 | $43,290.93 | -1.9% | |
| May 16, 2017 | ATRA Atara Biotherapeutics, Inc. | EVP &Chief R &Qa Officer | Sale+OE | 3,873 | $15.25 | $59,063.25 | -2.5% | |
| Feb 16, 2017 | ATRA Atara Biotherapeutics, Inc. | EVP &Chief R &Qa Officer | Sale+OE | 3,059 | $15.96 | $48,821.64 | -2.0% | |
| Nov 16, 2016 | ATRA Atara Biotherapeutics, Inc. | Chief R &Qa Officer | Sale+OE | 2,995 | $19.53 | $58,492.35 | -3.1% | |
| May 16, 2016 | ATRA Atara Biotherapeutics, Inc. | Chief R &Qa Officer | Sale+OE | 4,153 | $15.15 | $62,917.95 | -4.7% |