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 |
2023-10-24 Purchase |
2023-10-26 5:00 pm |
Tourmaline Bio Inc. | TRML | KANTOFF AARON Director |
7,500 | $11.86 | $88,950 | 45,391 (Direct) |
View |
2021-11-18 Purchase |
2021-11-18 8:30 pm |
Centessa Pharmaceuticals plc | CNTA | KANTOFF AARON Director |
10,000 | $11.98 | $119,850 | 60,000 (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 |
2025-03-28 Exercise |
2025-04-01 4:37 pm |
N/A N/A |
Avalo Therapeutics Inc. | AVTX | KANTOFF AARON Director |
3,167 | $0 | 9,500 (Direct) |
View |
2024-08-13 Option Award |
2024-08-14 4:36 pm |
N/A 2034-08-13 |
Avalo Therapeutics Inc. | AVTX | KANTOFF AARON Director |
34,100 | $0 | 34,100 (Direct) |
View |
2024-06-05 Option Award |
2024-06-07 4:02 pm |
N/A 2034-06-04 |
Tourmaline Bio Inc. | TRML | KANTOFF AARON Director |
10,000 | $0 | 10,000 (Direct) |
View |
2023-10-19 Option Award |
2023-10-23 8:24 pm |
N/A 2033-02-02 |
Tourmaline Bio Inc. | TRML | KANTOFF AARON Director |
85,781 | $0 | 85,781 (Direct) |
View |
Ownership |
2021-05-27 8:30 pm |
N/A N/A |
Centessa Pharmaceuticals plc | CNTA | KANTOFF AARON Director |
0 | $0 | 250,000 (Direct) |
View |