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.
"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 |
| 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 |
| 2022-03-14 Purchase | 2022-03-16 4:23 pm | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 23,708 | $7.626 | $180,797 | 5,231,504 (Indirect) | View |
| 2022-02-28 Purchase | 2022-03-02 3:52 pm | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 44,833 | $9.5293 | $427,227 | 5,207,796 (Indirect) | View |
| 2022-02-18 Purchase | 2022-02-23 4:24 pm | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 14,828 | $9.2419 | $137,039 | 5,162,963 (Indirect) | View |
| 2022-01-31 Purchase | 2022-02-01 8:26 pm | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 125,000 | $11.59 | $1,448,263 | 5,148,135 (Indirect) | View |
| 2022-01-24 Purchase | 2022-01-26 5:12 pm | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 1,599 | $10.89 | $17,418 | 5,023,135 (Indirect) | View |
| 2022-01-18 Purchase | 2022-01-20 1:07 pm | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 48,488 | $12.41 | $601,964 | 5,021,536 (Indirect) | View |
| 2022-01-10 Purchase | 2022-01-12 4:43 pm | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 8,867 | $12.93 | $114,609 | 4,973,048 (Indirect) | View |
| 2021-12-29 Purchase | 2022-01-03 2:46 pm | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 250,493 | $15.42 | $3,862,898 | 4,964,181 (Indirect) | View |
| 2021-12-27 Sale | 2021-12-29 6:26 pm | Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO | 8,000 | $14.58 | $116,666 | 630,845 (Direct) | View |
| 2021-10-29 Purchase | 2021-11-02 5:47 pm | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 150,000 | $17.53 | $2,630,175 | 4,713,688 (Indirect) | View |
| 2021-09-30 Purchase | 2021-10-04 11:36 am | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 134,543 | $18.65 | $2,509,173 | 4,563,688 (Indirect) | View |
| 2021-09-13 Purchase | 2021-09-15 7:21 pm | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 46,366 | $18.56 | $860,547 | 4,429,145 (Indirect) | View |
| 2021-09-09 Purchase | 2021-09-10 5:21 pm | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 24,749 | $18.5 | $457,792 | 4,382,779 (Indirect) | View |
| 2021-08-30 Purchase | 2021-09-01 5:42 pm | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 92,687 | $18.42 | $1,707,519 | 4,358,030 (Indirect) | View |
| 2021-08-26 Purchase | 2021-08-27 5:11 pm | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 36,939 | $16.67 | $615,854 | 4,265,343 (Indirect) | View |
| 2021-08-20 Purchase | 2021-08-24 4:28 pm | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 399,195 | $15.51 | $6,192,042 | 4,228,404 (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 |
| 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 |
| 2022-02-01 Option Award | 2022-02-03 4:19 pm | N/A 2032-02-01 | Spero Therapeutics Inc. | SPRO | Shukla Sath CFO | 91,204 | $0 | 115,271 (Direct) | View |
| 2022-02-01 Option Award | 2022-02-03 4:18 pm | N/A 2032-02-01 | Spero Therapeutics Inc. | SPRO | Larkin Cristina Chief Operating Officer | 91,204 | $0 | 116,771 (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 | 321,898 | $0 | 465,934 (Direct) | View |
| 2022-02-01 Option Award | 2022-02-03 4:18 pm | N/A 2032-02-01 | Spero Therapeutics Inc. | SPRO | Keutzer Timothy Chief Development Officer | 91,204 | $0 | 117,771 (Direct) | View |
| 2022-02-01 Option Award | 2022-02-03 4:17 pm | N/A 2032-02-01 | Spero Therapeutics Inc. | SPRO | JOSEPH TAMARA L Chief Legal Officer | 91,204 | $0 | 115,271 (Direct) | View |
| 2022-01-05 Option Award | 2022-01-07 5:13 pm | N/A 2032-01-05 | Spero Therapeutics Inc. | SPRO | Tregoning Kathleen Director | 4,428 | $9.03 | 4,428 (Direct) | View |
| 2022-01-05 Option Award | 2022-01-07 5:09 pm | N/A 2032-01-05 | Spero Therapeutics Inc. | SPRO | THOMAS FRANK E Director | 2,214 | $9.03 | 2,214 (Direct) | View |
| 2022-01-05 Option Award | 2022-01-07 5:07 pm | N/A 2032-01-05 | Spero Therapeutics Inc. | SPRO | VINK PATRICK V.J.J. Director | 2,214 | $9.03 | 2,214 (Direct) | View |
| 2021-12-27 Exercise | 2021-12-29 6:26 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO | 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 | 8,000 | $0 | 630,845 (Direct) | View |
| 2021-11-11 Option Award | 2021-11-12 4:14 pm | N/A 2031-11-11 | Spero Therapeutics Inc. | SPRO | Tregoning Kathleen Director | 15,000 | $0 | 15,000 (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 |
| 2021-08-26 Option Award | 2021-08-30 4:15 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO | 78,219 | $0 | 144,036 (Direct) | View |
| 2021-08-26 Option Award | 2021-08-30 4:15 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Larkin Cristina Chief Operating Officer | 24,067 | $0 | 25,567 (Direct) | View |
| 2021-08-26 Option Award | 2021-08-30 4:15 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | JOSEPH TAMARA L Chief Legal Officer | 24,067 | $0 | 24,067 (Direct) | View |
| 2021-08-26 Option Award | 2021-08-30 4:15 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Keutzer Timothy Chief Development Officer | 24,067 | $0 | 26,567 (Direct) | View |
| 2021-08-26 Option Award | 2021-08-30 4:15 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Shukla Sath CFO | 24,067 | $0 | 24,067 (Direct) | View |
| 2021-08-17 Option Award | 2021-08-18 5:07 pm | N/A 2031-08-17 | Spero Therapeutics Inc. | SPRO | Pottage John C Jr Director | 7,500 | $0 | 7,500 (Direct) | View |
| 2021-08-17 Option Award | 2021-08-18 5:06 pm | N/A 2031-08-27 | Spero Therapeutics Inc. | SPRO | Smith Cynthia Director | 7,500 | $0 | 7,500 (Direct) | View |
| 2021-08-17 Option Award | 2021-08-18 4:56 pm | N/A 2031-08-17 | Spero Therapeutics Inc. | SPRO | Deshpande Milind Director | 7,500 | $0 | 7,500 (Direct) | View |
| 2021-08-17 Option Award | 2021-08-18 4:55 pm | N/A 2031-08-17 | Spero Therapeutics Inc. | SPRO | THOMAS FRANK E Director | 7,500 | $0 | 7,500 (Direct) | View |
| 2021-08-17 Option Award | 2021-08-18 4:52 pm | N/A 2031-08-17 | Spero Therapeutics Inc. | SPRO | VINK PATRICK V.J.J. Director | 7,500 | $0 | 7,500 (Direct) | View |