DesRosier Thomas (CIK 1435744) reported 15 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-18). Recent activity: Buy MCRB (245 shares), Sell MCRB (82 shares), Buy MCRB (244 shares), Sell MCRB (79 shares), Buy MCRB (244 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-18 | Seres Therapeutics, Inc. (MCRB) | EVP and Chief Legal Officer | Buy | 245 | $0 |
| 2026-08-18 | Seres Therapeutics, Inc. (MCRB) | EVP and Chief Legal Officer | Sell | 82 | $373 |
| 2026-05-19 | Seres Therapeutics, Inc. (MCRB) | EVP and Chief Legal Officer | Buy | 244 | $0 |
| 2026-05-19 | Seres Therapeutics, Inc. (MCRB) | EVP and Chief Legal Officer | Sell | 79 | $595 |
| 2026-02-18 | Seres Therapeutics, Inc. (MCRB) | Chief Legal Officer, EVP, Co-Chief Executive Officer, and Co-President | Buy | 244 | $0 |
| 2026-02-18 | Seres Therapeutics, Inc. (MCRB) | Chief Legal Officer, EVP, Co-Chief Executive Officer, and Co-President | Sell | 78 | $661 |
| 2025-11-18 | Seres Therapeutics, Inc. (MCRB) | Chief Legal Officer, EVP, Co-Chief Executive Officer, and Co-President | Buy | 132 | $0 |
| 2025-11-18 | Seres Therapeutics, Inc. (MCRB) | Chief Legal Officer, EVP, Co-Chief Executive Officer, and Co-President | Buy | 112 | $0 |
| 2025-11-18 | Seres Therapeutics, Inc. (MCRB) | Chief Legal Officer, EVP, Co-Chief Executive Officer, and Co-President | Sell | 76 | $1,315 |
| 2025-08-19 | Seres Therapeutics, Inc. (MCRB) | Chief Legal Officer, EVP, Co-Chief Executive Officer, and Co-President | Buy | 133 | $0 |
| 2025-08-19 | Seres Therapeutics, Inc. (MCRB) | Chief Legal Officer, EVP, Co-Chief Executive Officer, and Co-President | Buy | 111 | $0 |
| 2025-08-19 | Seres Therapeutics, Inc. (MCRB) | Chief Legal Officer, EVP, Co-Chief Executive Officer, and Co-President | Sell | 76 | $1,265 |
| 2025-05-19 | Seres Therapeutics, Inc. (MCRB) | Chief Legal Officer and EVP | Buy | 133 | $0 |
| 2025-05-19 | Seres Therapeutics, Inc. (MCRB) | Chief Legal Officer and EVP | Buy | 111 | $0 |
| 2025-05-19 | Seres Therapeutics, Inc. (MCRB) | Chief Legal Officer and EVP | Sell | 79 | $575 |
来源：SEC Form 4 申报文件 · 截至 2026-08-18