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 |
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 |
2020-11-03 Sale |
2020-11-05 7:00 pm |
Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President |
9,507 | $14.39 | $136,825 | 1,062,805 (Direct) |
View |
2020-10-23 Sale |
2020-10-27 5:32 pm |
Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President |
20 | $14.25 | $285 | 570,133 (Direct) |
View |
2020-10-13 Sale |
2020-10-15 8:24 pm |
Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President |
14,472 | $14.28 | $206,709 | 1,074,594 (Direct) |
View |
2020-09-08 Sale |
2020-09-10 9:51 pm |
Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President |
774 | $14.25 | $11,030 | 584,625 (Direct) |
View |
2020-07-07 Sale |
2020-07-09 6:48 pm |
Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President |
3,047 | $14.29 | $43,552 | 1,107,274 (Direct) |
View |
2020-06-22 Sale |
2020-06-29 9:21 pm |
Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President |
17,180 | $14.3 | $245,699 | 2,180,064 (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 |
2020-11-03 Exercise |
2020-11-05 7:00 pm |
N/A N/A |
Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President |
9,507 | $5.9 | 1,062,805 (Direct) |
View |
2020-11-03 Exercise |
2020-11-05 7:00 pm |
N/A 2027-07-05 |
Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President |
9,507 | $0 | 1,062,805 (Direct) |
View |
2020-10-27 Option Award |
2020-10-27 5:37 pm |
N/A 2030-10-27 |
Spero Therapeutics Inc. | SPRO | FORMELA JEAN FRANCOIS Director |
7,500 | $0 | 7,500 (Direct) |
View |
2020-10-27 Option Award |
2020-10-27 5:37 pm |
N/A 2030-10-27 |
Spero Therapeutics Inc. | SPRO | THOMAS FRANK E Director |
7,500 | $0 | 7,500 (Direct) |
View |
2020-10-27 Option Award |
2020-10-27 5:35 pm |
N/A 2030-10-27 |
Spero Therapeutics Inc. | SPRO | Smith Cynthia Director |
7,500 | $0 | 7,500 (Direct) |
View |
2020-10-27 Option Award |
2020-10-27 5:34 pm |
N/A 2030-10-27 |
Spero Therapeutics Inc. | SPRO | Jackson Scott Thomas Director |
7,500 | $0 | 7,500 (Direct) |
View |
2020-10-27 Option Award |
2020-10-27 5:32 pm |
N/A 2030-10-27 |
Spero Therapeutics Inc. | SPRO | Deshpande Milind Director |
7,500 | $0 | 7,500 (Direct) |
View |
2020-10-23 Exercise |
2020-10-27 5:32 pm |
N/A N/A |
Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President |
20 | $5.9 | 570,133 (Direct) |
View |
2020-10-23 Exercise |
2020-10-27 5:32 pm |
N/A 2027-07-05 |
Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President |
20 | $0 | 570,133 (Direct) |
View |
2020-10-27 Option Award |
2020-10-27 5:31 pm |
N/A 2030-10-27 |
Spero Therapeutics Inc. | SPRO | VINK PATRICK V.J.J. Director |
7,500 | $0 | 7,500 (Direct) |
View |
2020-10-27 Option Award |
2020-10-27 5:30 pm |
N/A 2030-10-27 |
Spero Therapeutics Inc. | SPRO | Pottage John C Jr Director |
7,500 | $0 | 7,500 (Direct) |
View |
2020-10-13 Exercise |
2020-10-15 8:24 pm |
N/A N/A |
Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President |
14,472 | $5.9 | 1,074,594 (Direct) |
View |
2020-10-13 Exercise |
2020-10-15 8:24 pm |
N/A 2027-07-05 |
Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President |
14,472 | $0 | 1,074,594 (Direct) |
View |
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 |
2020-09-08 Exercise |
2020-09-10 9:51 pm |
N/A N/A |
Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President |
774 | $5.9 | 584,625 (Direct) |
View |
2020-09-08 Exercise |
2020-09-10 9:51 pm |
N/A 2027-07-05 |
Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President |
774 | $0 | 584,625 (Direct) |
View |
2020-07-07 Exercise |
2020-07-09 6:48 pm |
N/A N/A |
Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President |
3,047 | $5.9 | 1,107,274 (Direct) |
View |
2020-07-07 Exercise |
2020-07-09 6:48 pm |
N/A 2027-07-05 |
Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President |
3,047 | $0 | 1,107,274 (Direct) |
View |
2020-06-22 Exercise |
2020-06-29 9:21 pm |
N/A N/A |
Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President |
17,180 | $5.9 | 2,180,064 (Direct) |
View |
2020-06-22 Exercise |
2020-06-29 9:21 pm |
N/A 2027-07-05 |
Spero Therapeutics Inc. | SPRO | Mahadevia Ankit CEO and President |
17,180 | $0 | 2,180,064 (Direct) |
View |
2020-06-23 Option Award |
2020-06-23 5:33 pm |
N/A 2030-06-23 |
Spero Therapeutics Inc. | SPRO | Jackson Scott Thomas Director |
15,000 | $0 | 15,000 (Direct) |
View |