Insider · CIK 0001643734
Eric D. Shaff
Files at: MCRB. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 17, 2026 SForm 4 → | Aug 18, 5:27 pm EDT | Seres Therapeutics, Inc.MCRB | 263 | $4.55 | $1,197 | 12,499 | −2.06% | 10b5-1 |
| Aug 15, 2026 MForm 4 → | Aug 18, 5:27 pm EDT | Seres Therapeutics, Inc.MCRB | 722 | — | — | 12,762 | — | 10b5-1 |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 15, 2026 MForm 4 → | Aug 18, 5:27 pm EDT | Seres Therapeutics, Inc.MCRB | 722 | — | — | 1,993 | — | 10b5-1 |
| Jul 8, 2026 AForm 4 → | Jul 10, 4:15 pm EDT | Seres Therapeutics, Inc.MCRB | 6,500 | — | — | 6,500 | — |