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 |
| 2025-02-18 Sale |
2025-02-19 8:08 pm |
Seres Therapeutics Inc. | MCRB | Shaff Eric D. CEO and President |
12,726 | $0.8105 | $10,314 | 334,226 (Direct) |
View |
| 2024-11-18 Sale |
2024-11-19 4:15 pm |
Seres Therapeutics Inc. | MCRB | Shaff Eric D. CEO and President |
2,505 | $0.5409 | $1,355 | 240,702 (Direct) |
View |
| 2024-10-28 Sale |
2024-10-29 6:24 pm |
Seres Therapeutics Inc. | MCRB | Shaff Eric D. CEO and President |
8,748 | $0.6901 | $6,037 | 165,082 (Direct) |
View |
| 2024-08-16 Sale |
2024-08-19 5:38 pm |
Seres Therapeutics Inc. | MCRB | Shaff Eric D. CEO and President |
2,518 | $0.84 | $2,115 | 224,118 (Direct) |
View |
| 2024-05-15 Sale |
2024-05-17 8:18 pm |
Seres Therapeutics Inc. | MCRB | Shaff Eric D. CEO and President |
2,435 | $0.94 | $2,289 | 226,636 (Direct) |
View |
| 2024-02-16 Sale |
2024-02-16 9:42 pm |
Seres Therapeutics Inc. | MCRB | Shaff Eric D. CEO and President |
11,549 | $1.08 | $12,473 | 1,795,401 (Direct) |
View |
| 2023-10-30 Sale |
2023-10-31 9:40 pm |
Seres Therapeutics Inc. | MCRB | Shaff Eric D. CEO and President |
8,552 | $1.35 | $11,545 | 199,132 (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 |
| 2025-02-15 Exercise |
2025-02-19 8:08 pm |
N/A N/A |
Seres Therapeutics Inc. | MCRB | Shaff Eric D. CEO and President |
34,376 | $0 | 334,226 (Direct) |
View |
| 2025-02-07 Option Award |
2025-02-11 4:15 pm |
N/A 2035-02-06 |
Seres Therapeutics Inc. | MCRB | Shaff Eric D. CEO and President |
1,950,000 | $0 | 1,950,000 (Direct) |
View |
| 2024-11-15 Exercise |
2024-11-19 4:15 pm |
N/A N/A |
Seres Therapeutics Inc. | MCRB | Shaff Eric D. CEO and President |
7,812 | $0 | 240,702 (Direct) |
View |
| 2024-10-27 Exercise |
2024-10-29 6:24 pm |
N/A N/A |
Seres Therapeutics Inc. | MCRB | Shaff Eric D. CEO and President |
27,837 | $0 | 165,082 (Direct) |
View |
| 2024-08-15 Exercise |
2024-08-19 5:38 pm |
N/A N/A |
Seres Therapeutics Inc. | MCRB | Shaff Eric D. CEO and President |
7,813 | $0 | 224,118 (Direct) |
View |
| 2024-05-15 Exercise |
2024-05-17 8:18 pm |
N/A N/A |
Seres Therapeutics Inc. | MCRB | Shaff Eric D. CEO and President |
7,812 | $0 | 226,636 (Direct) |
View |
| 2024-02-15 Exercise |
2024-02-16 9:42 pm |
N/A N/A |
Seres Therapeutics Inc. | MCRB | Shaff Eric D. CEO and President |
31,250 | $0 | 1,795,401 (Direct) |
View |
| 2024-02-14 Option Award |
2024-02-16 9:42 pm |
N/A 2034-02-13 |
Seres Therapeutics Inc. | MCRB | Shaff Eric D. CEO and President |
1,566,330 | $0 | 1,795,401 (Direct) |
View |
| 2023-10-27 Exercise |
2023-10-31 9:40 pm |
N/A N/A |
Seres Therapeutics Inc. | MCRB | Shaff Eric D. CEO and President |
27,838 | $0 | 199,132 (Direct) |
View |
| 2023-04-27 Option Award |
2023-10-31 9:40 pm |
N/A N/A |
Seres Therapeutics Inc. | MCRB | Shaff Eric D. CEO and President |
55,675 | $0 | 199,132 (Direct) |
View |
| 2023-05-19 Option Award |
2023-05-22 4:20 pm |
N/A 2033-05-18 |
Sigilon Therapeutics Inc. | SGTX | Shaff Eric D. Director |
8,888 | $0 | 8,888 (Direct) |
View |
| 2023-02-03 Option Award |
2023-02-07 5:45 pm |
N/A N/A |
Seres Therapeutics Inc. | MCRB | Shaff Eric D. CEO and President |
375,000 | $0 | 375,000 (Direct) |
View |
| 2022-07-05 Option Award |
2022-07-06 7:21 pm |
N/A N/A |
Seres Therapeutics Inc. | MCRB | Shaff Eric D. CEO and President |
63,492 | $3.15 | 96,334 (Direct) |
View |
| 2022-05-26 Option Award |
2022-05-27 5:01 pm |
N/A 2032-05-25 |
Sigilon Therapeutics Inc. | SGTX | Shaff Eric D. Director |
8,888 | $0 | 8,888 (Direct) |
View |
| 2022-02-04 Option Award |
2022-02-08 9:30 pm |
N/A 2032-02-03 |
Seres Therapeutics Inc. | MCRB | Shaff Eric D. President, CEO |
500,000 | $0 | 500,000 (Direct) |
View |
| 2021-06-24 Option Award |
2021-06-28 07:15 am |
N/A 2031-06-23 |
Sigilon Therapeutics Inc. | SGTX | Shaff Eric D. Director |
8,888 | $9.97 | 8,888 (Direct) |
View |
| 2021-02-04 Option Award |
2021-02-08 6:50 pm |
N/A 2031-02-03 |
Seres Therapeutics Inc. | MCRB | Shaff Eric D. President, CEO |
350,000 | $0 | 350,000 (Direct) |
View |
Ownership |
2020-12-03 8:41 pm |
N/A 2027-10-30 |
Sigilon Therapeutics Inc. | SGTX | Shaff Eric D. Director |
0 | $0 | 55,555 (Direct) |
View |