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 |
| 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 |
| 2025-02-05 Sale | 2025-02-05 8:31 pm | Spero Therapeutics Inc. | SPRO | Shukla Sath CEO & President | 155,333 | $0.78 | $121,160 | 1,736,883 (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 |
| 2024-11-07 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 |
| 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 |
| 2024-08-27 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 |
| 2024-08-27 Sale | 2024-08-29 6:36 pm | Spero Therapeutics Inc. | SPRO | Shukla Sath CEO & President | 2,757 | $1.35 | $3,722 | 1,140,809 (Direct) | View |
| 2024-08-02 Sale | 2024-08-06 7:56 pm | Spero Therapeutics Inc. | SPRO | Shukla Sath CEO and President | 32,441 | $1.3146 | $42,646 | 1,143,566 (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 |
| 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 |
| 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 |
| 2024-02-02 Sale | 2024-02-05 8:45 pm | Spero Therapeutics Inc. | SPRO | HAMED KAMAL Chief Medical Officer | 28,075 | $1.37 | $38,463 | 788,117 (Direct) | View |
| 2024-02-02 Sale | 2024-02-05 8:40 pm | Spero Therapeutics Inc. | SPRO | Shukla Sath CEO and President | 75,994 | $1.4175 | $107,719 | 1,176,007 (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 |
| 2025-06-12 Option Award | 2025-06-16 8:30 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Deshpande Milind Director | 20,000 | $0 | 91,454 (Direct) | View |
| 2025-06-12 Option Award | 2025-06-16 8:29 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Jackson Scott Thomas Director | 20,000 | $0 | 75,000 (Direct) | View |
| 2025-06-12 Option Award | 2025-06-16 8:28 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | VINK PATRICK V.J.J. Director | 20,000 | $0 | 75,000 (Direct) | View |
| 2025-06-12 Option Award | 2025-06-16 8:26 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Pottage John C Jr Director | 20,000 | $0 | 75,000 (Direct) | View |
| 2025-06-12 Option Award | 2025-06-16 8:24 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Smith Cynthia Director | 20,000 | $0 | 75,000 (Direct) | View |
| 2025-06-12 Option Award | 2025-06-16 8:24 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | THOMAS FRANK E Director | 20,000 | $0 | 75,000 (Direct) | View |
| 2025-06-12 Option Award | 2025-06-16 8:24 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Tregoning Kathleen Director | 20,000 | $0 | 75,000 (Direct) | View |
| 2025-05-02 Option Award | 2025-05-06 8:01 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Rajavelu Esther See Remarks | 185,000 | $0 | 909,720 (Direct) | View |
| 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 |
| 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 |
| 2025-02-03 Option Award | 2025-02-05 8:31 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Shukla Sath CEO & President | 751,407 | $0 | 1,736,883 (Direct) | View |
| 2024-05-29 Option Award | 2024-05-30 4:29 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Deshpande Milind Director | 20,000 | $0 | 71,454 (Direct) | View |
| 2024-05-29 Option Award | 2024-05-30 4:27 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Jackson Scott Thomas Director | 20,000 | $0 | 55,000 (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 |
| 2024-05-29 Option Award | 2024-05-30 4:25 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | VINK PATRICK V.J.J. Director | 20,000 | $0 | 55,000 (Direct) | View |
| 2024-05-29 Option Award | 2024-05-30 4:25 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Tregoning Kathleen Director | 20,000 | $0 | 55,000 (Direct) | View |
| 2024-05-29 Option Award | 2024-05-30 4:17 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Smith Cynthia Director | 20,000 | $0 | 55,000 (Direct) | View |
| 2024-05-29 Option Award | 2024-05-30 4:15 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | THOMAS FRANK E Director | 20,000 | $0 | 55,000 (Direct) | View |
| 2024-05-29 Option Award | 2024-05-30 4:15 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Pottage John C Jr Director | 20,000 | $0 | 55,000 (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 |
| 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 |
| 2024-02-01 Option Award | 2024-02-05 8:45 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | HAMED KAMAL Chief Medical Officer | 239,731 | $0 | 788,117 (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 |
| 2024-02-01 Option Award | 2024-02-05 8:40 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Shukla Sath CEO and President | 679,501 | $0 | 1,176,007 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 4:40 pm | N/A 2034-01-02 | Spero Therapeutics Inc. | SPRO | Tregoning Kathleen Director | 35,604 | $1.12 | 35,604 (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 |
| 2023-10-05 Option Award | 2023-10-10 5:43 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Pottage John C Jr Director | 20,000 | $0 | 35,000 (Direct) | View |
| 2023-10-05 Option Award | 2023-10-10 5:40 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Smith Cynthia Director | 20,000 | $0 | 35,000 (Direct) | View |
| 2023-10-05 Option Award | 2023-10-10 5:39 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | THOMAS FRANK E Director | 20,000 | $0 | 35,000 (Direct) | View |
| 2023-10-05 Option Award | 2023-10-10 5:34 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Deshpande Milind Director | 20,000 | $0 | 51,454 (Direct) | View |
| 2023-10-05 Option Award | 2023-10-10 5:29 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Tregoning Kathleen Director | 20,000 | $0 | 35,000 (Direct) | View |