| 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 |
|---|---|---|---|---|---|---|---|---|---|
See Remarks | Chief Legal Officer and EVP
1 company
Thomas DesRosier is See Remarks at MCRB. From January 2018 to August 2026, the filings on record show 0 open-market purchases and 15 sales. Thomas DesRosier'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 $16K at current prices.
Historically, Thomas DesRosier's trades have earned a middling insider score of 69/100 across 12 rated trades. Over a 12-month horizon, 66.7% of those trades were profitable, with an average 12-month return of +14.9%.
The MCRB filings lean toward selling, a net 28,664 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| May 15, 2024 | MCRB Seres Therapeutics, Inc. | Chief Legal Officer and EVP | Sale+OE10b5-1 | 843 | $0.94 | $792.42 | -0.7% | -13.6% | -61.3% | |
| Feb 16, 2024 | MCRB Seres Therapeutics, Inc. | Chief Legal Officer and EVP | Sale+OE10b5-1 | 3,939 | $1.08 | $4,254.12 | -3.2% | -12.0% | -20.7% | |
| Oct 30, 2023 | MCRB Seres Therapeutics, Inc. | Chief Legal Officer and EVP | Sale+OE10b5-1 | 4,156 | $1.35 | $5,610.60 | -3.5% | -13.8% | -46.8% | |
| Jan 28, 2019 | MCRB Seres Therapeutics, Inc. | Chief Legal Officer and EVP | Sale+OE | 5,471 | $5.75 | $31,477.95 | -25.4% | - | - | |
| Jan 26, 2018 | MCRB Seres Therapeutics, Inc. | See Remarks | Sale+OE | 3,475 | $11.02 | $38,294.50 | -34.8% | - | - |