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 |
| 2025-02-05 Sale |
2025-02-05 9:04 pm |
Spero Therapeutics Inc. | SPRO | Keutzer Timothy Chief Operating Officer |
56,537 | $0.78 | $44,099 | 741,439 (Direct) |
View |
| 2024-08-27 Sale |
2024-08-29 6:42 pm |
Spero Therapeutics Inc. | SPRO | Keutzer Timothy Chief Operating Officer |
2,213 | $1.35 | $2,988 | 531,837 (Direct) |
View |
| 2024-02-02 Sale |
2024-02-05 8:53 pm |
Spero Therapeutics Inc. | SPRO | Keutzer Timothy Chief Operating Officer |
30,971 | $1.36 | $42,121 | 534,050 (Direct) |
View |
| 2023-08-28 Sale |
2023-08-30 4:23 pm |
Spero Therapeutics Inc. | SPRO | Keutzer Timothy Chief Development Officer |
1,854 | $1.26 | $2,336 | 325,290 (Direct) |
View |
| 2023-02-02 Sale |
2023-02-03 7:43 pm |
Spero Therapeutics Inc. | SPRO | Keutzer Timothy Chief Operating Officer |
3,394 | $1.86 | $6,313 | 327,144 (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 |
| 2025-02-03 Option Award |
2025-02-05 9:04 pm |
N/A N/A |
Spero Therapeutics Inc. | SPRO | Keutzer Timothy Chief Operating Officer |
266,139 | $0 | 741,439 (Direct) |
View |
| 2024-02-01 Option Award |
2024-02-05 8:53 pm |
N/A N/A |
Spero Therapeutics Inc. | SPRO | Keutzer Timothy Chief Operating Officer |
239,731 | $0 | 534,050 (Direct) |
View |
| 2023-02-01 Option Award |
2023-02-03 7:43 pm |
N/A N/A |
Spero Therapeutics Inc. | SPRO | Keutzer Timothy Chief Operating Officer |
265,957 | $0 | 327,144 (Direct) |
View |
| 2022-02-01 Option Award |
2022-02-03 4:18 pm |
N/A 2032-02-01 |
Spero Therapeutics Inc. | SPRO | Keutzer Timothy Chief Development Officer |
91,204 | $0 | 117,771 (Direct) |
View |
| 2021-08-26 Option Award |
2021-08-30 4:15 pm |
N/A N/A |
Spero Therapeutics Inc. | SPRO | Keutzer Timothy Chief Development Officer |
24,067 | $0 | 26,567 (Direct) |
View |
| 2021-02-01 Option Award |
2021-02-03 7:52 pm |
N/A 2031-02-01 |
Spero Therapeutics Inc. | SPRO | Keutzer Timothy Chief Development Officer |
57,432 | $0 | 57,432 (Direct) |
View |