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 |
| 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 |
| 2022-04-26 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 |
| 2021-10-29 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 |
| 2021-02-08 Sale | 2021-02-10 1:35 pm | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 3,000 | $21.74 | $65,215 | 3,829,209 (Indirect) | View |
| 2021-02-01 Sale | 2021-02-04 6:46 pm | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 100,000 | $19.02 | $1,901,987 | 3,832,209 (Indirect) | View |
| 2020-12-16 Sale | 2020-12-18 4:43 pm | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 264,933 | $18.8 | $4,981,260 | 3,932,209 (Indirect) | View |
| 2020-11-09 Sale | 2020-11-10 7:14 pm | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 125,900 | $13.77 | $1,734,071 | 4,197,142 (Indirect) | View |
| 2020-11-04 Sale | 2020-11-06 8:48 pm | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 174,100 | $14.09 | $2,452,948 | 4,323,042 (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 |
Ownership | 2020-09-22 6:26 pm | N/A N/A | Spero Therapeutics Inc. | SPRO | Aquilo Capital Management LLC Aquilo Capital L.P. 10% Owner | 0 | $0 | 4,497,142 (Indirect) | View |