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 |
| 2023-09-13 Sale | 2023-09-15 5:47 pm | Spero Therapeutics Inc. | SPRO | HAMED KAMAL Chief Medical Officer | 39,496 | $1.27 | $50,160 | 576,461 (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 |
| 2023-08-28 Sale | 2023-08-30 4:22 pm | Spero Therapeutics Inc. | SPRO | JOSEPH TAMARA L Chief Legal Officer | 1,854 | $1.26 | $2,336 | 322,790 (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 |
| 2023-08-28 Sale | 2023-08-30 4:20 pm | Spero Therapeutics Inc. | SPRO | Shukla Sath CEO and President | 6,017 | $1.2877 | $7,748 | 572,500 (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 |
| 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 |
| 2023-02-02 Sale | 2023-02-03 7:43 pm | Spero Therapeutics Inc. | SPRO | JOSEPH TAMARA L Chief Legal Officer | 3,394 | $1.86 | $6,313 | 324,644 (Direct) | View |
| 2023-02-02 Sale | 2023-02-03 7:41 pm | Spero Therapeutics Inc. | SPRO | Shukla Sath Chief Financial Officer | 9,504 | $1.8279 | $17,372 | 312,517 (Direct) | View |
| 2022-09-22 Sale | 2022-09-26 3:32 pm | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 1,901,796 | $2.2503 | $4,279,612 | 3,419,435 (Indirect) | View |
| 2022-08-29 Sale | 2022-08-30 5:00 pm | Spero Therapeutics Inc. | SPRO | Shukla Sath Chief Financial Officer | 6,017 | $0.8938 | $5,378 | 56,064 (Direct) | View |
| 2022-04-26 Purchase | 2022-04-28 4:13 pm | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 39,727 | $5.235 | $207,971 | 5,321,231 (Indirect) | View |
| 2022-03-30 Purchase | 2022-03-31 3:51 pm | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 50,000 | $8.7884 | $439,420 | 5,281,504 (Indirect) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 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 |
| 2023-10-05 Option Award | 2023-10-10 5:28 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | VINK PATRICK V.J.J. Director | 20,000 | $0 | 35,000 (Direct) | View |
| 2023-10-05 Option Award | 2023-10-10 5:19 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Jackson Scott Thomas Director | 20,000 | $0 | 35,000 (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 |
| 2023-08-01 Option Award | 2023-08-03 4:10 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Shukla Sath CEO and President | 266,000 | $0 | 578,517 (Direct) | View |
| 2023-06-12 Option Award | 2023-06-14 08:30 am | N/A N/A | Spero Therapeutics Inc. | SPRO | HAMED KAMAL Chief Medical Officer | 140,000 | $0 | 615,957 (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 |
| 2023-02-01 Option Award | 2023-02-03 7:43 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | JOSEPH TAMARA L Chief Legal Officer | 265,957 | $0 | 324,644 (Direct) | View |
| 2023-02-01 Option Award | 2023-02-03 7:41 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Shukla Sath Chief Financial Officer | 265,957 | $0 | 312,517 (Direct) | View |
| 2023-02-01 Option Award | 2023-02-03 7:40 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | HAMED KAMAL Chief Medical Officer | 265,957 | $0 | 475,957 (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 |
| 2023-01-03 Option Award | 2023-01-05 4:16 pm | N/A 2033-01-03 | Spero Therapeutics Inc. | SPRO | Tregoning Kathleen Director | 30,943 | $1.29 | 30,943 (Direct) | View |
| 2023-01-03 Option Award | 2023-01-05 4:14 pm | N/A 2033-01-03 | Spero Therapeutics Inc. | SPRO | VINK PATRICK V.J.J. Director | 15,471 | $1.29 | 15,471 (Direct) | View |
Ownership | 2022-11-14 5:05 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | GSK PLC 10% Owner | 0 | $0 | 9,190,606 (Indirect) | View |
| 2022-09-15 Option Award | 2022-09-19 5:45 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Jackson Scott Thomas Director | 15,000 | $0 | 15,000 (Direct) | View |
| 2022-09-15 Option Award | 2022-09-19 5:44 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Deshpande Milind Director | 15,000 | $0 | 31,454 (Direct) | View |
| 2022-09-15 Option Award | 2022-09-19 5:44 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Pottage John C Jr Director | 15,000 | $0 | 15,000 (Direct) | View |
| 2022-09-15 Option Award | 2022-09-19 5:44 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Smith Cynthia Director | 15,000 | $0 | 15,000 (Direct) | View |
| 2022-09-15 Option Award | 2022-09-19 5:40 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | THOMAS FRANK E Director | 15,000 | $0 | 15,000 (Direct) | View |
| 2022-09-15 Option Award | 2022-09-19 5:39 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Tregoning Kathleen Director | 15,000 | $0 | 15,000 (Direct) | View |
| 2022-09-15 Option Award | 2022-09-19 5:39 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | VINK PATRICK V.J.J. Director | 15,000 | $0 | 15,000 (Direct) | View |
| 2022-09-12 Option Award | 2022-09-14 9:49 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | HAMED KAMAL Chief Medical Officer | 210,000 | $0 | 210,000 (Direct) | View |