Insiders / DesRosier Thomas
DesRosier Thomas
CIK 1435744personinsider
Companies
1
First seen
Feb 18, 2026
Last activity
Mar 6, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Seres Therapeutics, Inc. · MCRB | 7,789 | — |
All securities held
3 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Seres Therapeutics, Inc. | Common Stock | 7,789 |
| Seres Therapeutics, Inc. | Stock Option (right to buy)Derivative | 22,500 |
| Seres Therapeutics, Inc. | Restricted Stock UnitsDerivative | 890 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Feb 15, 2026 | Sell | MCRB Seres Therapeutics, Inc. Common Stock | $661 | -78 -0.99% | 7,789 0.08% of shares | low |
| Mar 4, 2026 | Grant | MCRB Seres Therapeutics, Inc. Stock Option (right to buy) | — | +23K | 22,500 0.23% of shares | low |
| Feb 15, 2026 | Exercise | MCRB Seres Therapeutics, Inc. Restricted Stock Units | — | -111 -11.09% | 890 <0.01% of shares | low |
| Feb 15, 2026 | Exercise | MCRB Seres Therapeutics, Inc. Restricted Stock Units | — | -133 -20.03% | 531 <0.01% of shares | low |
| Feb 15, 2026 | Exercise | MCRB Seres Therapeutics, Inc. Common Stock | — | +244 +3.20% | 7,867 0.08% of shares | low |