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 |
2024-09-12 Purchase |
2024-09-16 5:12 pm |
Inhibrx Biosciences Inc. | INBX | Lappe Mark Chief Executive Officer |
40,000 | $15.73 | $629,117 | 925,413 (Indirect) |
View |
2024-09-06 Purchase |
2024-09-10 5:00 pm |
Inhibrx Biosciences Inc. | INBX | Lappe Mark Chief Executive Officer |
44,000 | $15.25 | $671,150 | 885,413 (Indirect) |
View |
2024-08-29 Purchase |
2024-09-03 5:31 pm |
Inhibrx Biosciences Inc. | INBX | Lappe Mark Chief Executive Officer |
40,000 | $14.92 | $596,763 | 841,413 (Indirect) |
View |
2024-08-20 Purchase |
2024-08-22 4:29 pm |
Inhibrx Biosciences Inc. | INBX | Lappe Mark Chief Executive Officer |
40,000 | $12.96 | $518,282 | 801,413 (Indirect) |
View |
2024-05-30 Sale |
2024-05-30 6:22 pm |
Inhibrx Inc. | INBX | Lappe Mark Chief Executive Officer |
3,045,654 | $30 | $91,369,620 | 0 (Indirect Direct) |
View |
2023-02-28 Sale |
2023-03-01 4:41 pm |
Inhibrx Inc. | INBX | Lappe Mark Lappe Family Trust Chief Executive Officer |
60 | $25.02 | $1,501 | 3,045,654 (Indirect) |
View |
2023-01-23 Sale |
2023-01-24 6:46 pm |
Inhibrx Inc. | INBX | Lappe Mark Lappe Family Trust Chief Executive Officer |
26,000 | $25.42 | $660,842 | 3,045,714 (Indirect) |
View |
2022-12-19 Sale |
2022-12-20 4:59 pm |
Inhibrx Inc. | INBX | Lappe Mark Lappe Family Trust Chief Executive Officer |
26,000 | $25.56 | $664,443 | 3,071,714 (Indirect) |
View |
2022-11-17 Sale |
2022-11-18 5:06 pm |
Inhibrx Inc. | INBX | Lappe Mark Lappe Family Trust Chief Executive Officer |
26,000 | $27.88 | $724,910 | 3,097,714 (Indirect) |
View |
2022-10-17 Sale |
2022-10-18 4:37 pm |
Inhibrx Inc. | INBX | Lappe Mark Lappe Family Trust Chief Executive Officer |
26,000 | $29.59 | $769,443 | 3,123,714 (Indirect) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2024-05-30 Option Award |
2024-05-30 6:10 pm |
N/A 2034-05-30 |
Inhibrx Biosciences Inc. | INXB | Lappe Mark Chief Executive Officer |
1,061,413 | $0 | 314,865 (Direct) |
View |
2023-01-03 Option Award |
2023-01-03 6:11 pm |
N/A 2033-01-03 |
Inhibrx Inc. | INBX | Lappe Mark Chief Executive Officer |
100,000 | $0 | 100,000 (Direct) |
View |
2020-12-28 Gift |
2021-01-19 4:10 pm |
N/A N/A |
Inhibrx Inc. | INBX | Lappe Mark Lappe Family Trust Chief Executive Officer |
500,000 | $0 | 704,462 (Indirect) |
View |
2021-01-15 Option Award |
2021-01-19 4:10 pm |
N/A 2031-01-15 |
Inhibrx Inc. | INBX | Lappe Mark Lappe Family Trust Chief Executive Officer |
145,000 | $0 | 704,462 (Direct) |
View |
Ownership |
2020-08-18 7:27 pm |
N/A N/A |
Inhibrx Inc. | INBX | Lappe Mark Lappe Family Trust Chief Executive Officer 10% Owner |
0 | $0 | 3,149,714 (Indirect) |
View |