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 8:48 pm |
Spero Therapeutics Inc. | SPRO | JOSEPH TAMARA L Chief Legal Officer |
30,906 | $1.37 | $42,341 | 531,615 (Direct) |
View |
| 2023-08-28 Sale |
2023-08-30 4:22 pm |
Spero Therapeutics Inc. | SPRO | JOSEPH TAMARA L Chief Legal Officer |
1,854 | $1.26 | $2,336 | 322,790 (Direct) |
View |
| 2023-02-02 Sale |
2023-02-03 7:43 pm |
Spero Therapeutics Inc. | SPRO | JOSEPH TAMARA L Chief Legal Officer |
3,394 | $1.86 | $6,313 | 324,644 (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 8:48 pm |
N/A N/A |
Spero Therapeutics Inc. | SPRO | JOSEPH TAMARA L Chief Legal Officer |
239,731 | $0 | 531,615 (Direct) |
View |
| 2023-02-01 Option Award |
2023-02-03 7:43 pm |
N/A N/A |
Spero Therapeutics Inc. | SPRO | JOSEPH TAMARA L Chief Legal Officer |
265,957 | $0 | 324,644 (Direct) |
View |
| 2022-02-01 Option Award |
2022-02-03 4:17 pm |
N/A 2032-02-01 |
Spero Therapeutics Inc. | SPRO | JOSEPH TAMARA L Chief Legal Officer |
91,204 | $0 | 115,271 (Direct) |
View |
| 2021-08-26 Option Award |
2021-08-30 4:15 pm |
N/A N/A |
Spero Therapeutics Inc. | SPRO | JOSEPH TAMARA L Chief Legal Officer |
24,067 | $0 | 24,067 (Direct) |
View |
| 2020-12-02 Option Award |
2020-12-02 6:05 pm |
N/A 2030-12-02 |
Spero Therapeutics Inc. | SPRO | JOSEPH TAMARA L Chief Legal Officer |
75,000 | $0 | 75,000 (Direct) |
View |
| 2020-05-25 Option Award |
2020-05-27 9:39 pm |
N/A 2030-05-24 |
Millendo Therapeutics Inc. | MLND | JOSEPH TAMARA L General Counsel and Secretary |
80,000 | $0 | 80,000 (Direct) |
View |