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 |
| 2022-02-01 Option Award | 2022-02-03 4:19 pm | N/A 2032-02-01 | Spero Therapeutics Inc. | SPRO | Melnick David A. Chief Medical 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 | Melnick David A. Chief Medical Officer | 24,067 | $0 | 24,067 (Direct) | View |
| 2021-02-01 Option Award | 2021-02-03 7:44 pm | N/A 2031-02-01 | Spero Therapeutics Inc. | SPRO | Melnick David A. Chief Medical Officer | 57,432 | $0 | 57,432 (Direct) | View |
| 2020-02-03 Option Award | 2020-02-03 5:33 pm | N/A 2030-02-03 | Spero Therapeutics Inc. | SPRO | Melnick David A. Chief Medical Officer | 55,000 | $0 | 55,000 (Direct) | View |