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>>

Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2024-05-29 Option Award |
2024-05-30 4:29 pm |
N/A N/A |
Spero Therapeutics Inc. | SPRO | Deshpande Milind Director |
20,000 | $0 | 71,454 (Direct) |
View |
2023-10-05 Option Award |
2023-10-10 5:34 pm |
N/A N/A |
Spero Therapeutics Inc. | SPRO | Deshpande Milind Director |
20,000 | $0 | 51,454 (Direct) |
View |
2022-09-15 Option Award |
2022-09-19 5:44 pm |
N/A N/A |
Spero Therapeutics Inc. | SPRO | Deshpande Milind Director |
15,000 | $0 | 31,454 (Direct) |
View |
2021-08-17 Option Award |
2021-08-18 4:56 pm |
N/A 2031-08-17 |
Spero Therapeutics Inc. | SPRO | Deshpande Milind Director |
7,500 | $0 | 7,500 (Direct) |
View |
2021-01-04 Option Award |
2021-01-06 4:27 pm |
N/A 2031-01-04 |
Spero Therapeutics Inc. | SPRO | Deshpande Milind Director |
2,629 | $13.31 | 2,629 (Direct) |
View |
2020-10-27 Option Award |
2020-10-27 5:32 pm |
N/A 2030-10-27 |
Spero Therapeutics Inc. | SPRO | Deshpande Milind Director |
7,500 | $0 | 7,500 (Direct) |
View |