16 Form 4 filings for MCRB between 2026-07-10 and 2026-08-18, from 12 filers. 16 discretionary (0 sales, 4 purchases). 4 of 16 state a filing-level total, summing to $2,230; the rest report only their largest transaction, so the true figure is higher.
| Filed | Filer | Role | Action | Shares largest txn | Price | Filing total | Txns |
|---|---|---|---|---|---|---|---|
| 2026-08-18 | Brady Kelly | acquired | 181 | — | $291 | 2 | |
| 2026-08-18 | Shaff Eric D. | acquired | 722 | — | $1,197 | 2 | |
| 2026-08-18 | Henn Matthew R | acquired | 238 | — | $369 | 2 | |
| 2026-08-18 | DesRosier Thomas | acquired | 245 | — | $373 | 2 | |
| 2026-07-10 | Graves Kurt (Director at Seres Therapeutics, Inc.) filed a Form 4; no parseable transaction details were found in the filing. | ||||||
| 2026-07-10 | Kender Richard N (See Remarks at Seres Therapeutics, Inc.) filed a Form 4; no parseable transaction details were found in the filing. | ||||||
| 2026-07-10 | Henn Matthew R (See Remarks at Seres Therapeutics, Inc.) filed a Form 4; no parseable transaction details were found in the filing. | ||||||
| 2026-07-10 | Thorell Marella (See Remarks at Seres Therapeutics, Inc.) filed a Form 4; no parseable transaction details were found in the filing. | ||||||
| 2026-07-10 | Fraser Claire (Director at Seres Therapeutics, Inc.) filed a Form 4; no parseable transaction details were found in the filing. | ||||||
| 2026-07-10 | Dere Willard H (Director at Seres Therapeutics, Inc.) filed a Form 4; no parseable transaction details were found in the filing. | ||||||
| 2026-07-10 | Ausiello Dennis A (Director at Seres Therapeutics, Inc.) filed a Form 4; no parseable transaction details were found in the filing. | ||||||
| 2026-07-10 | Shaff Eric D. (Director at Seres Therapeutics, Inc.) filed a Form 4; no parseable transaction details were found in the filing. | ||||||
| 2026-07-10 | Rosiello Robert L. (Director at Seres Therapeutics, Inc.) filed a Form 4; no parseable transaction details were found in the filing. | ||||||
| 2026-07-10 | Berenson Stephen (Director at Seres Therapeutics, Inc.) filed a Form 4; no parseable transaction details were found in the filing. | ||||||
| 2026-07-10 | DesRosier Thomas (See Remarks at Seres Therapeutics, Inc.) filed a Form 4; no parseable transaction details were found in the filing. | ||||||
| 2026-07-10 | Brady Kelly (See Remarks at Seres Therapeutics, Inc.) filed a Form 4; no parseable transaction details were found in the filing. | ||||||
| 16 filings · 12 filers · disclosed totals only | $2,230 (4/16) | — | |||||