MCRB · ISSUER CIK 1609809
Seres Therapeutics, Inc.
Between Aug 1, 2026 and Oct 29, 2026, 4 Seres Therapeutics, Inc. insiders reported $0.00 of open-market purchases and $2K of sales on SEC Form 4.
↗4 insiders filed
Original Form 4 filings from Aug 1, 2026 to Oct 29, 2026. 4 of 4 sales were reported under a 10b5-1 plan.
$0.00Insider buying
$2KInsider selling
−$2KNet open-market
Aug 18, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 18, 202617:33 | Aug 17, 2026 | MCRB | See Remarks | S · Sell10b5-1 | $4.55 | −64 | 8,679 | -1% | −$291.20 | ||
| Aug 18, 202617:33 | Aug 15, 2026 | MCRB | See Remarks | M · Exercise10b5-1 | — | +181 | 8,743 | +2% | — | ||
| Aug 18, 202617:27 | Aug 17, 2026 | MCRB | Director | S · Sell10b5-1 | $4.55 | −263 | 12,499 | -2% | −$1K | ||
| Aug 18, 202617:27 | Aug 15, 2026 | MCRB | Director | M · Exercise10b5-1 | — | +722 | 12,762 | +6% | — | ||
| Aug 18, 202617:25 | Aug 17, 2026 | MCRB | See Remarks | S · Sell10b5-1 | $4.55 | −81 | 7,995 | -1% | −$368.55 | ||
| Aug 18, 202617:25 | Aug 15, 2026 | MCRB | See Remarks | M · Exercise10b5-1 | — | +238 | 8,076 | +3% | — | ||
| Aug 18, 202617:22 | Aug 17, 2026 | MCRB | See Remarks | S · Sell10b5-1 | $4.55 | −82 | 8,117 | -1% | −$373.10 | ||
| Aug 18, 202617:22 | Aug 15, 2026 | MCRB | See Remarks | M · Exercise10b5-1 | — | +245 | 8,199 | +3% | — |