Seres Therapeutics, Inc. (MCRB) — Insider Trading
Insider trading activity for Seres Therapeutics, Inc. sourced from SEC EDGAR Form 4 filings.
Overview
- Total insider trades: 30
- Last trade date: Aug 18, 2026
- Ticker: MCRB
Top Insiders
- Rosiello Robert L. — 1 trades, buy: $0, sell: $0
- Berenson Stephen — 1 trades, buy: $0, sell: $0
- Ausiello Dennis A — 1 trades, buy: $0, sell: $0
- Shaff Eric D. — 6 trades, buy: $0, sell: $2K
- Shaff Eric D. (Director) — 1 trades, buy: $0, sell: $1K
Recent Trades
| Date | Insider | Ticker / Company | Type | Shares | Value |
|---|---|---|---|---|---|
| Aug 15, 2026 | DesRosier Thomas | MCRB Seres Therapeutics, Inc. | OTHER | 133 | N/A |
| Aug 15, 2026 | DesRosier Thomas | MCRB Seres Therapeutics, Inc. | OTHER | 245 | N/A |
| Aug 15, 2026 | Henn Matthew R | MCRB Seres Therapeutics, Inc. | OTHER | 140 | N/A |
| Aug 15, 2026 | Henn Matthew R | MCRB Seres Therapeutics, Inc. | OTHER | 238 | N/A |
| Aug 15, 2026 | Shaff Eric D. | MCRB Seres Therapeutics, Inc. | OTHER | 390 | N/A |
| Aug 15, 2026 | Shaff Eric D. | MCRB Seres Therapeutics, Inc. | OTHER | 722 | N/A |
| Aug 15, 2026 | Brady Kelly | MCRB Seres Therapeutics, Inc. | OTHER | 90 | N/A |
| Aug 15, 2026 | Brady Kelly | MCRB Seres Therapeutics, Inc. | OTHER | 181 | N/A |
| Aug 17, 2026 | Henn Matthew R | MMCRB MMCRB | SELL | 81 | $369 |
| Aug 17, 2026 | Shaff Eric D. | MMCRB MMCRB | SELL | 263 | $1K |
| Aug 17, 2026 | Brady Kelly | MMCRB MMCRB | SELL | 64 | $291 |
| Jul 1, 2026 | Ausiello Dennis A | MCRB Seres Therapeutics, Inc. | OTHER | 7,508 | N/A |
| Jul 1, 2026 | Rosiello Robert L. | MCRB Seres Therapeutics, Inc. | OTHER | 7,508 | N/A |
| Jul 1, 2026 | Berenson Stephen | MCRB Seres Therapeutics, Inc. | OTHER | 7,508 | N/A |
| May 15, 2026 | Henn Matthew R | MCRB Seres Therapeutics, Inc. | OTHER | 97 | N/A |
| May 15, 2026 | Henn Matthew R | MCRB Seres Therapeutics, Inc. | OTHER | 141 | N/A |
| May 18, 2026 | Henn Matthew R | MCRB Seres Therapeutics, Inc. | SELL | 77 | $580 |
| May 15, 2026 | Henn Matthew R | MCRB Seres Therapeutics, Inc. | OTHER | 238 | N/A |
| May 15, 2026 | DesRosier Thomas | MCRB Seres Therapeutics, Inc. | OTHER | 111 | N/A |
| May 15, 2026 | DesRosier Thomas | MCRB Seres Therapeutics, Inc. | OTHER | 133 | N/A |