Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2023-03-02 Sale | 2023-03-06 6:47 pm | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 6,871 | $3.627 | $24,921 | 181,978 (Direct) | View |
| 2023-02-08 Purchase | 2023-02-10 4:27 pm | C4 Therapeutics Inc. | CCCC | Koppikar Utpal Director | 5,667 | $5.6 | $31,735 | 5,667 (Direct) | View |
| 2023-02-07 Sale | 2023-02-09 5:00 pm | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 2,485 | $5.46 | $13,568 | 188,849 (Direct) | View |
| 2022-11-16 Sale | 2022-11-18 8:13 pm | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 6,255 | $4.4902 | $28,086 | 191,334 (Direct) | View |
| 2022-08-16 Sale | 2022-08-18 6:20 pm | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 5,940 | $5.035 | $29,908 | 197,589 (Direct) | View |
| 2022-06-08 Sale | 2022-06-10 4:20 pm | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 5,853 | $5.63 | $32,952 | 203,529 (Direct) | View |
| 2022-05-17 Sale | 2022-05-19 5:16 pm | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 5,582 | $5.3162 | $29,675 | 207,592 (Direct) | View |
| 2022-03-01 Sale | 2022-03-03 7:02 pm | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 3,763 | $9.8564 | $37,090 | 328,281 (Direct) | View |
| 2022-02-07 Sale | 2022-02-09 4:35 pm | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 2,496 | $14.46 | $36,096 | 155,702 (Direct) | View |
| 2021-11-16 Sale | 2021-11-18 5:53 pm | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 3,655 | $17.12 | $62,562 | 157,714 (Direct) | View |
| 2021-08-17 Sale | 2021-08-19 7:34 pm | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 3,579 | $12.53 | $44,852 | 161,369 (Direct) | View |
| 2021-06-08 Sale | 2021-06-09 4:06 pm | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 5,820 | $14.06 | $81,829 | 164,948 (Direct) | View |
| 2021-05-18 Sale | 2021-05-20 4:30 pm | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 3,616 | $14.55 | $52,613 | 168,966 (Direct) | View |
| 2021-03-26 Sale | 2021-03-30 5:19 pm | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 1,761 | $14.58 | $25,675 | 172,582 (Direct) | View |
| 2021-03-02 Sale | 2021-03-04 4:07 pm | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 1,461 | $16.74 | $24,457 | 174,343 (Direct) | View |
| 2021-02-08 Sale | 2021-02-09 7:59 pm | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 1,759 | $20.39 | $35,866 | 130,546 (Direct) | View |
| 2020-11-17 Sale | 2020-11-18 4:08 pm | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 1,469 | $19.77 | $29,048 | 132,061 (Direct) | View |
| 2020-08-18 Sale | 2020-08-20 7:38 pm | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 1,496 | $12.09 | $18,087 | 133,530 (Direct) | View |
| 2020-06-09 Sale | 2020-06-10 4:05 pm | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 3,924 | $10.18 | $39,946 | 135,026 (Direct) | View |
| 2020-05-18 Sale | 2020-05-20 6:11 pm | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 1,428 | $11.22 | $16,022 | 137,375 (Direct) | View |
| 2020-03-27 Sale | 2020-03-30 4:06 pm | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 1,827 | $9.17 | $16,754 | 137,330 (Direct) | View |
| 2020-02-06 Sale | 2020-02-10 7:47 pm | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 1,781 | $14.21 | $25,308 | 72,282 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2024-06-20 Option Award | 2024-06-21 4:08 pm | N/A 2034-06-19 | C4 Therapeutics Inc. | CCCC | Koppikar Utpal Director | 32,500 | $0 | 32,500 (Direct) | View |
| 2023-06-15 Option Award | 2023-06-16 4:22 pm | N/A 2033-06-14 | C4 Therapeutics Inc. | CCCC | Koppikar Utpal Director | 26,000 | $0 | 26,000 (Direct) | View |
| 2022-03-16 Option Award | 2022-03-17 4:20 pm | N/A 2032-03-15 | C4 Therapeutics Inc. | CCCC | Koppikar Utpal Director | 41,200 | $0 | 41,200 (Direct) | View |
| 2022-03-01 Option Award | 2022-03-03 7:02 pm | N/A 2032-02-28 | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 176,342 | $0 | 328,281 (Direct) | View |
| 2021-11-19 Disposition | 2021-11-19 10:13 am | N/A 2031-07-08 | Flexion Therapeutics Inc | FLXN | Koppikar Utpal Director | 32,000 | $0 | 0 (Direct) | View |
| 2021-07-09 Option Award | 2021-07-12 4:06 pm | N/A 2031-07-08 | Flexion Therapeutics Inc | FLXN | Koppikar Utpal Director | 32,000 | $0 | 32,000 (Direct) | View |
| 2021-03-01 Option Award | 2021-03-03 5:14 pm | N/A 2031-02-28 | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 113,572 | $0 | 244,118 (Direct) | View |
| 2020-03-01 Option Award | 2020-03-03 5:01 pm | N/A 2030-02-28 | Atara Biotherapeutics Inc. | ATRA | Koppikar Utpal Chief Financial Officer | 140,625 | $0 | 212,907 (Direct) | View |