| 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 |
|---|---|---|---|---|---|---|---|---|---|
Chief Financial Officer | Director
2 companies
Koppikar Utpal is a Chief Financial Officer at Atara Biotherapeutics, Inc. with holdings across 2 companies. Recent SEC Form 4 filings include 1 buy and 12 sells.
Estimated insider holdings value: $1.8M based on current market prices.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 2, 2023 | ATRA Atara Biotherapeutics, Inc. | Chief Financial Officer | Sell | 6,871 | $3.63 | $24,921.12 | -3.6% | -57.3% | -78.5% | |
| Feb 8, 2023 | CCCC C4 Therapeutics, Inc. | Director | Buy | 5,667 | $5.60 | $31,735.20 | New | -44.2% | -5.4% | |
| Feb 7, 2023 | ATRA Atara Biotherapeutics, Inc. | Chief Financial Officer | Sell | 2,485 | $5.46 | $13,568.10 | -1.3% | -45.6% | -81.8% | |
| Nov 16, 2022 | ATRA Atara Biotherapeutics, Inc. | Chief Financial Officer | Sell | 6,255 | $4.49 | $28,086.03 | -1.6% | +1.5% | -89.5% | |
| Aug 16, 2022 | ATRA Atara Biotherapeutics, Inc. | Chief Financial Officer | Sell | 5,940 | $5.04 | $29,907.90 | -2.9% | +4.9% | -65.8% | |
| Jun 8, 2022 | ATRA Atara Biotherapeutics, Inc. | Chief Financial Officer | Sell | 5,853 | $5.63 | $32,952.39 | -2.8% | -28.1% | -68.0% | |
| May 17, 2022 | ATRA Atara Biotherapeutics, Inc. | Chief Financial Officer | Sell | 5,582 | $5.32 | $29,674.88 | -1.3% | -4.5% | -63.1% | |
| Mar 1, 2022 | ATRA Atara Biotherapeutics, Inc. | Chief Financial Officer | Sell | 3,763 | $9.86 | $37,089.62 | -0.9% | -49.1% | -61.7% | |
| Feb 7, 2022 | ATRA Atara Biotherapeutics, Inc. | Chief Financial Officer | Sell | 2,496 | $14.46 | $36,095.90 | -1.6% | -62.4% | -64.1% | |
| Nov 16, 2021 | ATRA Atara Biotherapeutics, Inc. | Chief Financial Officer | Sell | 3,655 | $17.12 | $62,562.27 | -2.3% | -18.0% | -73.7% |