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 8:52 pm |
Spero Therapeutics Inc. | SPRO | Rajavelu Esther CFO & CBO |
20,689 | $0.78 | $16,137 | 724,720 (Direct) |
View |
2024-11-07 Sale |
2024-11-12 4:05 pm |
Spero Therapeutics Inc. | SPRO | Rajavelu Esther CFO & CBO |
40,596 | $1.3058 | $53,008 | 379,270 (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 8:52 pm |
N/A N/A |
Spero Therapeutics Inc. | SPRO | Rajavelu Esther CFO & CBO |
366,139 | $0 | 724,720 (Direct) |
View |
2024-02-01 Option Award |
2024-02-05 8:44 pm |
N/A N/A |
Spero Therapeutics Inc. | SPRO | Rajavelu Esther See Remarks |
119,866 | $0 | 419,866 (Direct) |
View |
2023-11-13 Option Award |
2023-11-15 4:17 pm |
N/A N/A |
Spero Therapeutics Inc. | SPRO | Rajavelu Esther See Remarks |
300,000 | $0 | 300,000 (Direct) |
View |
2023-02-09 Option Award |
2023-02-13 4:15 pm |
N/A 2033-02-08 |
Fulcrum Therapeutics Inc. | FULC | Rajavelu Esther Chief Financial Officer |
160,000 | $0 | 160,000 (Direct) |
View |
2022-01-03 Option Award |
2022-01-10 4:30 pm |
N/A 2032-01-02 |
Fulcrum Therapeutics Inc. | FULC | Rajavelu Esther Chief Financial Officer |
200,000 | $0 | 200,000 (Direct) |
View |
Ownership |
2022-01-10 4:16 pm |
N/A N/A |
Fulcrum Therapeutics Inc. | FULC | Rajavelu Esther Chief Financial Officer |
0 | $0 | 0 (Direct) |
View |