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 |
2024-02-02 Sale |
2024-02-05 8:45 pm |
Spero Therapeutics Inc. | SPRO | HAMED KAMAL Chief Medical Officer |
28,075 | $1.37 | $38,463 | 788,117 (Direct) |
View |
2023-09-13 Sale |
2023-09-15 5:47 pm |
Spero Therapeutics Inc. | SPRO | HAMED KAMAL Chief Medical Officer |
39,496 | $1.27 | $50,160 | 576,461 (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 |
2024-02-01 Option Award |
2024-02-05 8:45 pm |
N/A N/A |
Spero Therapeutics Inc. | SPRO | HAMED KAMAL Chief Medical Officer |
239,731 | $0 | 788,117 (Direct) |
View |
2023-06-12 Option Award |
2023-06-14 08:30 am |
N/A N/A |
Spero Therapeutics Inc. | SPRO | HAMED KAMAL Chief Medical Officer |
140,000 | $0 | 615,957 (Direct) |
View |
2023-02-01 Option Award |
2023-02-03 7:40 pm |
N/A N/A |
Spero Therapeutics Inc. | SPRO | HAMED KAMAL Chief Medical Officer |
265,957 | $0 | 475,957 (Direct) |
View |
2022-09-12 Option Award |
2022-09-14 9:49 pm |
N/A N/A |
Spero Therapeutics Inc. | SPRO | HAMED KAMAL Chief Medical Officer |
210,000 | $0 | 210,000 (Direct) |
View |