Insiders / Shaff Eric D.
Shaff Eric D.
CIK 1643734personinsider
Companies
1
First seen
Feb 18, 2026
Last activity
Feb 18, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Seres Therapeutics, Inc. · MCRB | 11,577 | — |
All securities held
2 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Seres Therapeutics, Inc. | Common Stock | 11,577 |
| Seres Therapeutics, Inc. | Restricted Stock UnitsDerivative | 2,656 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Feb 15, 2026 | Sell | MCRB Seres Therapeutics, Inc. Common Stock | $2.2K | -259 -2.19% | 11,577 0.12% of shares | low |
| Feb 15, 2026 | Exercise | MCRB Seres Therapeutics, Inc. Restricted Stock Units | — | -333 -11.14% | 2,656 0.03% of shares | low |
| Feb 15, 2026 | Exercise | MCRB Seres Therapeutics, Inc. Restricted Stock Units | — | -391 -20.00% | 1,564 0.02% of shares | low |
| Feb 15, 2026 | Exercise | MCRB Seres Therapeutics, Inc. Common Stock | — | +723 +6.51% | 11,836 0.12% of shares | low |