| 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 |
|---|---|---|---|---|---|---|---|---|---|
Director | CEO and President | See Remarks +1 more
1 company
Eric D. Shaff is Director at MCRB. From March 2016 to August 2026, the filings on record show 0 open-market purchases and 20 sales. Eric D. Shaff's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $24K at current prices.
Our model assigns Eric D. Shaff a middling insider score of 69/100, based on 12 past trades. Over a 12-month horizon, 66.7% of those trades were profitable, with an average 12-month return of +15.0%.
The MCRB filings lean toward selling, a net 86,864 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| May 15, 2024 | MCRB Seres Therapeutics, Inc. | CEO and President | Sale+OE10b5-1 | 2,435 | $0.94 | $2,288.90 | -1.7% | -13.6% | -61.3% | |
| Feb 16, 2024 | MCRB Seres Therapeutics, Inc. | CEO and President | Sale+OE10b5-1 | 11,549 | $1.08 | $12,472.92 | -7.9% | -12.0% | -20.7% | |
| Oct 30, 2023 | MCRB Seres Therapeutics, Inc. | CEO and President | Sale+OE10b5-1 | 8,552 | $1.35 | $11,545.20 | -6.9% | -13.8% | -46.8% | |
| Jan 28, 2019 | MCRB Seres Therapeutics, Inc. | See Remarks | Sale+OE | 4,378 | $5.75 | $25,187.51 | -25.4% | - | - | |
| Jan 26, 2018 | MCRB Seres Therapeutics, Inc. | See Remarks | Sale+OE | 2,780 | $11.02 | $30,635.60 | -34.8% | - | - | |
| Jun 30, 2016 | MCRB Seres Therapeutics, Inc. | CFO and EVP | Sale+OE | 4,533 | $29.54 | $133,904.82 | - | - | - | |
| Jun 28, 2016 | MCRB Seres Therapeutics, Inc. | CFO and EVP | Sale+OE | 5,001 | $28.28 | $141,444.95 | - | - | - | |
| Apr 4, 2016 | MCRB Seres Therapeutics, Inc. | CFO and EVP | Sale+OE | 6,568 | $28.85 | $189,486.80 | - | - | - | |
| Mar 31, 2016 | MCRB Seres Therapeutics, Inc. | CFO and EVP | Sale+OE | 7,663 | $26.30 | $201,569.35 | - | - | - | |
| Mar 28, 2016 | MCRB Seres Therapeutics, Inc. | CFO and EVP | Sale+OE | 5,473 | $24.07 | $131,735.11 | - | - | - |