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 |
| 2025-08-28 Sale | 2025-09-03 06:04 am | Spero Therapeutics Inc. | SPRO | Mahadevia Ankit Director | 6,572 | $1.97 | $12,947 | 703,294 (Direct) | View |
| 2025-02-05 Sale | 2025-02-05 8:30 pm | Spero Therapeutics Inc. | SPRO | Mahadevia Ankit Director | 69,219 | $0.78 | $53,991 | 689,866 (Direct) | View |
| 2024-08-27 Sale | 2024-08-29 6:43 pm | Spero Therapeutics Inc. | SPRO | Mahadevia Ankit Director | 5,912 | $1.35 | $7,981 | 759,085 (Direct) | View |
| 2024-02-02 Sale | 2024-02-05 8:50 pm | Spero Therapeutics Inc. | SPRO | Mahadevia Ankit Director | 63,795 | $1.37 | $87,399 | 744,997 (Direct) | View |
| 2023-08-28 Sale | 2023-08-30 4:21 pm | Spero Therapeutics Inc. | SPRO | Mahadevia Ankit Director | 9,040 | $1.26 | $11,390 | 788,792 (Direct) | View |
| 2023-02-03 Sale | 2023-02-06 4:15 pm | Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President | 12,286 | $1.81 | $22,238 | 797,832 (Direct) | View |
| 2021-12-27 Sale | 2021-12-29 6:26 pm | Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President | 8,000 | $14.58 | $116,666 | 630,845 (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 |
| 2025-06-12 Option Award | 2025-06-16 8:32 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Mahadevia Ankit Director | 20,000 | $0 | 709,866 (Direct) | View |
| 2024-05-29 Option Award | 2024-05-30 4:25 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Mahadevia Ankit Director | 20,000 | $0 | 764,997 (Direct) | View |
| 2023-10-05 Option Award | 2023-10-10 5:18 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Mahadevia Ankit Director | 20,000 | $0 | 808,792 (Direct) | View |
| 2023-02-01 Option Award | 2023-02-03 7:38 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President | 531,914 | $0 | 810,118 (Direct) | View |
| 2022-02-01 Option Award | 2022-02-03 4:18 pm | N/A 2032-02-01 | Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President | 321,898 | $0 | 465,934 (Direct) | View |
| 2021-12-27 Exercise | 2021-12-29 6:26 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President | 8,000 | $5.9 | 630,845 (Direct) | View |
| 2021-12-27 Exercise | 2021-12-29 6:26 pm | N/A 2027-07-05 | Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President | 8,000 | $0 | 630,845 (Direct) | View |
| 2021-08-26 Option Award | 2021-08-30 4:15 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President | 78,219 | $0 | 144,036 (Direct) | View |
| 2021-02-01 Option Award | 2021-02-03 7:44 pm | N/A 2031-02-01 | Spero Therapeutics Inc. | SPRO | Mahadevia Ankit See Remarks | 179,319 | $0 | 179,319 (Direct) | View |