Shaff Eric D.
Insider CIK 1643734 · MCRB See Remarks, Director · SGTX Director
Trades across companies
| Ticker | Code | Trade | Filed | Shares | Price | Value | Owned after | |
|---|---|---|---|---|---|---|---|---|
| MCRB Seres Therapeutics, Inc. | S Sale | 2026-08-17 | 2026-08-18 | 263 | $4.55 | $1.2K | 12,499 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2026-08-17 | 2026-08-18 | 263 | $4.55 | $1.2K | 12,499 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2026-08-15 | 2026-08-18 | 332 | — | $0 | 1,993 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2026-08-15 | 2026-08-18 | 390 | — | $0 | 783 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2026-08-15 | 2026-08-18 | 722 | — | $0 | 12,762 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2026-08-15 | 2026-08-18 | 332 | — | $0 | 1,993 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2026-08-15 | 2026-08-18 | 390 | — | $0 | 783 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2026-08-15 | 2026-08-18 | 722 | — | — | 12,762 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2026-07-08 | 2026-07-10 | 6,500 | — | $0 | 6,500 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2026-05-18 | 2026-05-19 | 259 | $7.53 | $2.0K | 12,040 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2026-05-15 | 2026-05-19 | 391 | — | $0 | 1,173 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2026-05-15 | 2026-05-19 | 331 | — | $0 | 2,325 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2026-05-15 | 2026-05-19 | 722 | — | $0 | 12,299 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2026-02-15 | 2026-02-18 | 333 | — | $0 | 2,656 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2026-02-15 | 2026-02-18 | 391 | — | $0 | 1,564 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2026-02-15 | 2026-02-18 | 259 | $8.47 | $2.2K | 11,577 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2026-02-15 | 2026-02-18 | 723 | — | $0 | 11,836 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2025-11-15 | 2025-11-18 | 390 | — | $0 | 1,954 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2025-11-15 | 2025-11-18 | 331 | — | $0 | 2,989 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2025-11-15 | 2025-11-18 | 390 | — | $0 | 10,999 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2025-11-15 | 2025-11-18 | 331 | — | $0 | 11,330 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2025-11-15 | 2025-11-18 | 217 | $17.30 | $3.8K | 11,113 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2025-08-18 | 2025-08-19 | 217 | $16.65 | $3.6K | 10,609 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2025-08-15 | 2025-08-19 | 391 | — | $0 | 2,344 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2025-08-15 | 2025-08-19 | 333 | — | $0 | 3,320 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2025-08-15 | 2025-08-19 | 391 | — | $0 | 10,493 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2025-08-15 | 2025-08-19 | 333 | — | $0 | 10,826 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2025-05-16 | 2025-05-19 | 220 | $7.28 | $1.6K | 10,102 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2025-05-15 | 2025-05-19 | 390 | — | $0 | 2,735 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2025-05-15 | 2025-05-19 | 331 | — | $0 | 3,653 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2025-05-15 | 2025-05-19 | 331 | — | $0 | 10,322 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2025-05-15 | 2025-05-19 | 390 | — | $0 | 9,991 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2025-02-18 | 2025-02-19 | 12,726 | $0.81 | $10.3K | 192,039 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2025-02-15 | 2025-02-19 | 26,563 | — | $0 | 79,687 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2025-02-15 | 2025-02-19 | 7,813 | — | $0 | 62,500 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2025-02-15 | 2025-02-19 | 26,563 | — | $0 | 204,765 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2025-02-15 | 2025-02-19 | 7,813 | — | $0 | 178,202 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2025-02-07 | 2025-02-11 | 1,950,000 | — | $0 | 1,950,000 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2024-11-18 | 2024-11-19 | 2,505 | $0.54 | $1.4K | 170,389 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2024-11-15 | 2024-11-19 | 7,812 | — | $0 | 70,313 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2024-11-15 | 2024-11-19 | 7,812 | — | $0 | 172,894 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2024-10-28 | 2024-10-29 | 8,748 | $0.69 | $6.0K | 165,082 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2024-10-27 | 2024-10-29 | 27,837 | — | $0 | 0 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2024-10-27 | 2024-10-29 | 27,837 | — | $0 | 173,830 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2024-08-16 | 2024-08-19 | 2,518 | $0.84 | $2.1K | 145,993 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2024-08-15 | 2024-08-19 | 7,813 | — | $0 | 78,125 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2024-08-15 | 2024-08-19 | 7,813 | — | $0 | 148,511 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2024-05-15 | 2024-05-17 | 7,812 | — | $0 | 85,938 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2024-05-15 | 2024-05-17 | 2,435 | $0.94 | $2.3K | 140,698 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2024-05-15 | 2024-05-17 | 7,812 | — | $0 | 143,133 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2024-02-16 | 2024-02-16 | 11,549 | $1.08 | $12.5K | 135,321 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2024-02-15 | 2024-02-16 | 31,250 | — | $0 | 93,750 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2024-02-15 | 2024-02-16 | 31,250 | — | $0 | 146,870 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2024-02-14 | 2024-02-16 | 106,250 | — | $0 | 106,250 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2024-02-14 | 2024-02-16 | 637,500 | — | $0 | 637,500 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2024-02-14 | 2024-02-16 | 822,580 | — | $0 | 822,580 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2023-10-30 | 2023-10-31 | 8,552 | $1.35 | $11.5K | 115,620 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2023-10-27 | 2023-10-31 | 27,838 | — | $0 | 27,837 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2023-10-27 | 2023-10-31 | 27,838 | — | $0 | 124,172 | SEC↗ |
| SGTX Sigilon Therapeutics, Inc. | D To issuer deriv | 2023-08-11 | 2023-08-11 | 683 | $5.00 | $3.4K | 0 | SEC↗ |
| SGTX Sigilon Therapeutics, Inc. | D To issuer deriv | 2023-08-11 | 2023-08-11 | 683 | $6.64 | $4.5K | 0 | SEC↗ |
| SGTX Sigilon Therapeutics, Inc. | A Award deriv | 2023-05-19 | 2023-05-22 | 8,888 | — | $0 | 8,888 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2023-04-27 | 2023-10-31 | 55,675 | — | $0 | 55,675 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2023-02-03 | 2023-02-07 | 250,000 | — | $0 | 250,000 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2023-02-03 | 2023-02-07 | 125,000 | — | $0 | 125,000 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award | 2022-07-05 | 2022-07-06 | 63,492 | $3.15 | $200.0K | 96,334 | SEC↗ |
| SGTX Sigilon Therapeutics, Inc. | A Award deriv | 2022-05-26 | 2022-05-27 | 8,888 | — | $0 | 8,888 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2022-02-04 | 2022-02-08 | 500,000 | — | $0 | 500,000 | SEC↗ |
| SGTX Sigilon Therapeutics, Inc. | A Award deriv | 2021-06-24 | 2021-06-28 | 8,888 | $9.97 | $88.6K | 8,888 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2021-02-04 | 2021-02-08 | 350,000 | — | $0 | 350,000 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2020-01-29 | 2020-01-31 | 1,000,000 | — | $0 | 1,000,000 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2020-01-26 | 2020-01-28 | 20,000 | — | $0 | 0 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2020-01-26 | 2020-01-28 | 20,000 | — | $0 | 32,842 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2019-01-28 | 2019-01-29 | 4,378 | $5.75 | $25.2K | 12,842 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2019-01-26 | 2019-01-29 | 12,000 | — | $0 | 20,000 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2019-01-26 | 2019-01-29 | 12,000 | — | $0 | 17,220 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2019-01-25 | 2019-01-29 | 275,000 | — | $0 | 275,000 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2018-01-30 | 2018-01-30 | 120,000 | — | $0 | 120,000 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2018-01-26 | 2018-01-30 | 8,000 | — | $0 | 32,000 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2018-01-26 | 2018-01-30 | 2,780 | $11.02 | $30.6K | 5,220 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2018-01-26 | 2018-01-30 | 8,000 | — | $0 | 8,000 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2017-01-26 | 2017-01-27 | 40,000 | — | $0 | 40,000 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2017-01-26 | 2017-01-27 | 105,000 | — | $0 | 105,000 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2016-06-30 | 2016-06-30 | 4,533 | — | $0 | 233,454 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2016-06-30 | 2016-06-30 | 4,533 | $7.79 | $35.3K | 4,533 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2016-06-30 | 2016-06-30 | 4,533 | $29.54 | $133.9K | 0 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2016-06-28 | 2016-06-29 | 1,667 | — | $0 | 237,987 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2016-06-28 | 2016-06-29 | 1,667 | $28.85 | $48.1K | 0 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2016-06-28 | 2016-06-29 | 1,667 | $7.79 | $13.0K | 1,667 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2016-06-27 | 2016-06-29 | 3,334 | — | $0 | 239,654 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2016-06-27 | 2016-06-29 | 3,334 | $7.79 | $26.0K | 3,334 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2016-06-27 | 2016-06-29 | 3,334 | $28.00 | $93.4K | 0 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2016-04-04 | 2016-04-06 | 6,568 | — | $0 | 242,988 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2016-04-04 | 2016-04-06 | 6,568 | $28.85 | $189.5K | 0 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2016-04-04 | 2016-04-06 | 6,568 | $7.79 | $51.2K | 6,568 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2016-03-31 | 2016-04-04 | 7,663 | — | $0 | 249,556 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2016-03-31 | 2016-04-04 | 1,095 | $25.13 | $27.5K | 6,568 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2016-03-31 | 2016-04-04 | 7,663 | $7.79 | $59.7K | 7,663 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2016-03-31 | 2016-04-04 | 6,568 | $26.50 | $174.1K | 0 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise deriv | 2016-03-28 | 2016-03-29 | 5,473 | — | $0 | 257,219 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | M Exercise | 2016-03-28 | 2016-03-29 | 5,473 | $7.79 | $42.6K | 5,473 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | S Sale | 2016-03-28 | 2016-03-29 | 5,473 | $24.07 | $131.7K | 0 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2016-02-01 | 2016-02-03 | 78,500 | — | $0 | 78,500 | SEC↗ |
| MCRB Seres Therapeutics, Inc. | A Award deriv | 2015-06-25 | 2015-06-29 | 100,000 | — | $0 | 100,000 | SEC↗ |