| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Over the past 90 days, insiders at Seres Therapeutics, Inc. (MCRB) have been net sellers, shedding 490 shares worth roughly $2K on balance.
MCRB sits in the Biotechnology industry within the Health Care sector, so this activity is best read against the sector's broader insider trend.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| Other | 50.0K | - | - | |
| Dir | 12.5K | $56.9K | - | |
| Other | 9.3K | - | - | |
| Other | 8.7K | $39.5K | - | |
| Other | 8.1K | $36.9K | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Nov 15, 2025 | Young Teresa L.70 | See Remarks | Sale+OE | 1,042 | $17.30 | $18,026.60 | -11.0% | -49.2% | - | |
| Nov 15, 2025 | Shaff Eric D.66 | Director | Sale+OE | 217 | $17.30 | $3,754.10 | -1.9% | -49.2% | - | |
| Aug 18, 2025 | Shaff Eric D.66 | Director | Sale+OE | 217 | $16.65 | $3,613.05 | -2.0% | +22.3% | - | |
| Aug 18, 2025 | Desrosier Thomas66 | See Remarks | Sale+OE | 76 | $16.65 | $1,265.40 | -1.0% | +22.3% | - | |
| Aug 18, 2025 | Henn Matthew R66 | See Remarks | Sale+OE | 73 | $16.65 | $1,215.45 | -1.6% | +22.3% | - | |
| Aug 18, 2025 | Young Teresa L.70 | See Remarks | Sale+OE | 59 | $16.65 | $982.35 | -1.1% | +22.3% | - | |
| May 16, 2025 | Henn Matthew R66 | See Remarks | Sale+OE | 77 | $7.28 | $560.56 | -1.7% | +126.0% | +2.4% | |
| May 16, 2025 | Shaff Eric D.66 | CEO And President | Sale+OE | 220 | $7.28 | $1,601.60 | -2.1% | +126.0% | +2.4% | |
| May 16, 2025 | Young Teresa L.70 | See Remarks | Sale+OE | 63 | $7.28 | $458.64 | -1.2% | +126.0% | +2.4% | |
| May 15, 2025 | Desrosier Thomas66 | Chief Legal Officer And EVP | Sale+OE | 79 | $7.28 | $575.12 | -1.1% | +115.5% | +3.1% |