ATRA Atara Biotherapeutics, Inc.
Nasdaq · SEC CIK 1604464 · EDGAR
- Bought, last 12 months
- $5.74M 2 purchases by 2 insiders
- Sold, last 12 months
- $3.85M 9 sales by 4 insiders
- Filings on record
- 153 since 2021-08-10, latest 2026-09-04 18:20
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| EcoR1 Capital, LLC | 10% | $4.74M | — |
| Panacea Innovation Ltd | 10% | — | $3.17M |
| Cherry Brian N | Dir | $1000.0K | — |
| Huang James | Dir, 10% | — | $489.0K |
| Nguyen AnhCo | Pres, CEO, Dir | — | $142.4K |
| Grant-Huerta Yanina | CAO | — | $56.5K |
| Ciongoli Gregory Austin | Dir, 10%, See Remarks | — | — |
| Redmile Group, LLC | Dir | — | — |
| Fust Matthew K | Dir | — | — |
| HEIDEN WILLIAM K | Dir | — | — |
Transactions 163
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2023-03-03 | 2023-03-01 | ATRA | Dupont Jakob | EVP, Head of R, D | A - Grant | $0.00 | +141.3K | 295.9K | +91% | $0 |
| D | 2023-03-03 | 2023-03-01 | ATRA | Touchon Pascal | Pres, CEO, Dir | A - Grant | $0.00 | +324.7K | 766.4K | +74% | $0 |
| D | 2023-03-03 | 2023-03-01 | ATRA | Banard Charlene A. | EVP, Chief Technical Off | A - Grant | $0.00 | +139.7K | 295.1K | +90% | $0 |
| D | 2023-03-03 | 2023-03-01 | ATRA | Murugan Amar | SVP, GC, Sec | A - Grant | $0.00 | +155.4K | 283.6K | +121% | $0 |
| 2023-02-09 | 2023-02-07 | ATRA | Koppikar Utpal | CFO | S - Sale | $5.46 | -2,485 | 188.8K | -1% | -$13.6K | |
| 2022-11-18 | 2022-11-16 | ATRA | Touchon Pascal | Pres, CEO, Dir | S - Sale | $4.49 | -15.6K | 441.7K | -3% | -$70.0K | |
| M | 2022-11-18 | 2022-11-16 | ATRA | Dupont Jakob | EVP, Head of R, D | S - Sale | $4.49 | -4,342 | 154.5K | -3% | -$19.5K |
| 2022-11-18 | 2022-11-16 | ATRA | Murugan Amar | SVP, GC, Sec | S - Sale | $4.49 | -3,612 | 127.6K | -3% | -$16.2K | |
| M | 2022-11-18 | 2022-11-16 | ATRA | Koppikar Utpal | CFO | S - Sale | $4.49 | -6,255 | 191.3K | -3% | -$28.1K |
| 2022-08-18 | 2022-08-16 | ATRA | Dupont Jakob | EVP, Head of R, D | S - Sale | $5.03 | -4,124 | 158.9K | -3% | -$20.7K | |
| 2022-08-18 | 2022-08-16 | ATRA | Koppikar Utpal | CFO | S - Sale | $5.04 | -5,940 | 197.6K | -3% | -$29.9K | |
| 2022-08-18 | 2022-08-16 | ATRA | Touchon Pascal | Pres, CEO, Dir | S - Sale | $5.04 | -14.8K | 457.3K | -3% | -$74.6K | |
| M | 2022-08-18 | 2022-08-16 | ATRA | Murugan Amar | SVP, GC, Sec | S - Sale | $5.04 | -3,430 | 131.2K | -3% | -$17.3K |
| 2022-06-29 | 2022-06-27 | ATRA | Touchon Pascal | Pres, CEO, Dir | S - Sale | $7.20 | -14.2K | 472.1K | -3% | -$102.4K | |
| D | 2022-06-27 | 2022-06-23 | ATRA | Baynes Roy D. | Dir | A - Grant | $0.00 | +20.5K | 43.5K | +89% | $0 |
| D | 2022-06-27 | 2022-06-23 | ATRA | Renaud Ronald C JR | Dir | A - Grant | $0.00 | +20.5K | 31.5K | +186% | $0 |
| D | 2022-06-27 | 2022-06-23 | ATRA | Roncarolo Maria Grazia | Dir | A - Grant | $0.00 | +20.5K | 31.5K | +186% | $0 |
| D | 2022-06-27 | 2022-06-23 | ATRA | HEIDEN WILLIAM K | Dir | A - Grant | $0.00 | +20.5K | 52.0K | +65% | $0 |
| D | 2022-06-27 | 2022-06-23 | ATRA | DOBMEIER ERIC | Dir | A - Grant | $0.00 | +20.5K | 59.5K | +53% | $0 |
| D | 2022-06-27 | 2022-06-23 | ATRA | Gallagher Carol Giltner | Dir | A - Grant | $0.00 | +20.5K | 132.4K | +18% | $0 |
| D | 2022-06-27 | 2022-06-23 | ATRA | SEIDENBERG BETH C | Dir | A - Grant | $0.00 | +20.5K | 58.7K | +54% | $0 |
| D | 2022-06-27 | 2022-06-23 | ATRA | Fust Matthew K | Dir | A - Grant | $0.00 | +20.5K | 52.0K | +65% | $0 |
| D | 2022-06-27 | 2022-06-23 | ATRA | MALLIK AMEET | Dir | A - Grant | $0.00 | +20.5K | 20.5K | New | $0 |
| 2022-06-10 | 2022-06-08 | ATRA | Koppikar Utpal | CFO | S - Sale | $5.63 | -5,853 | 203.5K | -3% | -$33.0K | |
| M | 2022-05-19 | 2022-05-17 | ATRA | Murugan Amar | SVP, GC, Sec | S - Sale | $5.32 | -3,223 | 133.7K | -2% | -$17.1K |
| M | 2022-05-19 | 2022-05-17 | ATRA | Koppikar Utpal | CFO | S - Sale | $5.32 | -5,582 | 207.6K | -3% | -$29.7K |
| 2022-05-19 | 2022-05-17 | ATRA | Dupont Jakob | EVP, Head of R, D | S - Sale | $5.32 | -3,873 | 163.0K | -2% | -$20.6K | |
| 2022-05-19 | 2022-05-17 | ATRA | Touchon Pascal | Pres, CEO, Dir | S - Sale | $5.32 | -13.9K | 486.3K | -3% | -$74.0K | |
| D | 2022-03-03 | 2022-03-01 | ATRA | Koppikar Utpal | CFO | A - Grant | $0.00 | +61.2K | 216.9K | +39% | $0 |
| DM | 2022-03-03 | 2022-03-01 | ATRA | Koppikar Utpal | CFO | S - Sale | $9.86 | -3,763 | 214.7K | -2% | -$37.1K |
| D | 2022-03-03 | 2022-03-01 | ATRA | Touchon Pascal | Pres, CEO, Dir | S - Sale | $9.86 | -8,828 | 500.2K | -2% | -$87.0K |
| D | 2022-03-03 | 2022-03-01 | ATRA | Touchon Pascal | Pres, CEO, Dir | A - Grant | $0.00 | +180.6K | 509.1K | +55% | $0 |
| D | 2022-03-03 | 2022-03-01 | ATRA | Murugan Amar | SVP, GC, Sec | A - Grant | $0.00 | +51.8K | 139.5K | +59% | $0 |
| DM | 2022-03-03 | 2022-03-01 | ATRA | Murugan Amar | SVP, GC, Sec | S - Sale | $9.86 | -2,577 | 137.0K | -2% | -$25.4K |
| D | 2022-03-03 | 2022-03-01 | ATRA | Dupont Jakob | EVP, Head of R, D | S - Sale | $9.86 | -2,221 | 166.9K | -1% | -$21.9K |
| D | 2022-03-03 | 2022-03-01 | ATRA | Dupont Jakob | EVP, Head of R, D | A - Grant | $0.00 | +78.5K | 169.1K | +87% | $0 |
| D | 2022-03-03 | 2022-03-01 | ATRA | Yarema Kristin | Chief Commercial Off | A - Grant | $0.00 | +45.5K | 171.4K | +36% | $0 |
| D | 2022-02-14 | 2022-02-10 | ATRA | Dupont Jakob | EVP, Head of R, D | S - Sale+OE | $16.00 | -5,000 | 90.6K | -5% | -$80.0K |
| D | 2022-02-14 | 2022-02-10 | ATRA | Dupont Jakob | EVP, Head of R, D | M - OptEx | $9.58 | +5,000 | 95.6K | +6% | +$47.9K |
| 2022-02-09 | 2022-02-07 | ATRA | Koppikar Utpal | CFO | S - Sale | $14.46 | -2,496 | 155.7K | -2% | -$36.1K | |
| D | 2022-01-05 | 2022-01-03 | ATRA | Dupont Jakob | EVP, Head of R, D | M - OptEx | $9.58 | +5,000 | 95.6K | +6% | +$47.9K |
| D | 2022-01-05 | 2022-01-03 | ATRA | Dupont Jakob | EVP, Head of R, D | S - Sale+OE | $16.01 | -5,000 | 90.6K | -5% | -$80.1K |
| D | 2021-12-03 | 2021-12-01 | ATRA | Dupont Jakob | EVP, Head of R, D | M - OptEx | $9.58 | +5,000 | 95.6K | +6% | +$47.9K |
| D | 2021-12-03 | 2021-12-01 | ATRA | Dupont Jakob | EVP, Head of R, D | S - Sale+OE | $17.94 | -5,000 | 90.6K | -5% | -$89.7K |
| 2021-11-18 | 2021-11-16 | ATRA | Koppikar Utpal | CFO | S - Sale | $17.12 | -3,655 | 157.7K | -2% | -$62.6K | |
| 2021-11-18 | 2021-11-16 | ATRA | Murugan Amar | SVP, GC, Sec | S - Sale | $17.12 | -2,124 | 87.5K | -2% | -$36.4K | |
| 2021-11-18 | 2021-11-16 | ATRA | Newell Joe | Chief Ops Off | S - Sale | $17.12 | -3,332 | 113.1K | -3% | -$57.0K | |
| 2021-11-18 | 2021-11-16 | ATRA | Dupont Jakob | EVP, Head of R, D | S - Sale | $17.12 | -2,199 | 90.6K | -2% | -$37.6K | |
| 2021-11-18 | 2021-11-16 | ATRA | Touchon Pascal | Pres, CEO, Dir | S - Sale | $17.12 | -8,402 | 328.5K | -2% | -$143.8K | |
| D | 2021-11-17 | 2021-11-15 | ATRA | Newell Joe | Chief Ops Off | M - OptEx | $12.15 | +3,500 | 123.4K | +3% | +$42.5K |
| D | 2021-11-17 | 2021-11-15 | ATRA | Newell Joe | Chief Ops Off | S - Sale+OE | $17.71 | -7,000 | 116.4K | -6% | -$124.0K |
| 2021-11-05 | 2021-11-04 | ATRA | Fust Matthew K | Dir | S - Sale | $19.50 | -13.4K | 31.5K | -30% | -$260.4K | |
| D | 2021-11-04 | 2021-11-02 | ATRA | Dupont Jakob | EVP, Head of R, D | S - Sale+OE | $16.41 | -5,000 | 92.8K | -5% | -$82.0K |
| D | 2021-11-04 | 2021-11-02 | ATRA | Dupont Jakob | EVP, Head of R, D | M - OptEx | $9.58 | +5,000 | 97.8K | +5% | +$47.9K |
| D | 2021-09-24 | 2021-09-22 | ATRA | Newell Joe | Chief Ops Off | S - Sale+OE | $17.00 | -10.5K | 119.9K | -8% | -$178.5K |
| D | 2021-09-24 | 2021-09-22 | ATRA | Newell Joe | Chief Ops Off | M - OptEx | $12.15 | +10.5K | 130.4K | +9% | +$127.6K |
| 2021-09-17 | 2021-09-15 | ATRA | Newell Joe | Chief Ops Off | S - Sale | $15.61 | -3,116 | 119.9K | -3% | -$48.6K | |
| 2021-08-31 | 2021-08-30 | ATRA | Newell Joe | Chief Ops Off | S - Sale | $15.00 | -3,500 | 123.0K | -3% | -$52.5K | |
| 2021-08-19 | 2021-08-17 | ATRA | Dupont Jakob | EVP, Head of R, D | S - Sale | $12.53 | -2,152 | 92.8K | -2% | -$27.0K | |
| 2021-08-19 | 2021-08-17 | ATRA | Koppikar Utpal | CFO | S - Sale | $12.53 | -3,579 | 161.4K | -2% | -$44.8K | |
| 2021-08-19 | 2021-08-17 | ATRA | Touchon Pascal | Pres, CEO, Dir | S - Sale | $12.53 | -8,223 | 336.9K | -2% | -$103.0K | |
| 2021-08-19 | 2021-08-17 | ATRA | Murugan Amar | SVP, GC, Sec | S - Sale | $12.53 | -2,080 | 89.7K | -2% | -$26.1K | |
| 2021-08-19 | 2021-08-17 | ATRA | Newell Joe | Chief Ops Off | S - Sale | $12.53 | -2,426 | 126.5K | -2% | -$30.4K |
Purchase Sale Sale after option exercise All abbreviations