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 |
| 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 |
| 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 |
| 2024-02-14 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 |
| 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 |
| 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 |
| 2023-10-27 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 |
| 2023-08-11 Disposition | 2023-08-11 4:10 pm | N/A 2033-05-18 | Sigilon Therapeutics Inc. | SGTX | Shaff Eric D. Director | 683 | $6.6439 | 0 (Direct) | View |
| 2023-08-11 Disposition | 2023-08-11 4:10 pm | N/A 2032-05-25 | Sigilon Therapeutics Inc. | SGTX | Shaff Eric D. Director | 683 | $4.9984 | 0 (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 |
| 2020-01-29 Option Award | 2020-01-31 4:08 pm | N/A 2030-01-28 | Seres Therapeutics Inc. | MCRB | Shaff Eric D. President CFO | 1,000,000 | $0 | 1,000,000 (Direct) | View |
| 2020-01-26 Exercise | 2020-01-28 4:07 pm | N/A N/A | Seres Therapeutics Inc. | MCRB | Shaff Eric D. CEO and President | 20,000 | $0 | 32,842 (Direct) | View |