Seres Therapeutics, Inc. insider trading
MCRB$2.94+0.01 (+0.34%)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-86.0%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
PremiumQ2 '25Q3 '25Q4 '25Q1 '26Q2 '26Q3 '26
Unlock quarterly net flowKey players
- EDEric D. Shaff0.1257%
- KBKelly Brady0.0873%
- TLTeresa L. Young0.0861%
- TDThomas DesRosier0.0817%
- MRMatthew R. Henn0.0804%
- LvLisa von Moltke0.0201%
AI Activity Analysis
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Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| MCRB | Kelly Brady | Open market sell$291 | -0.7% | $4.55 | $291 | Aug 17, 2026 | Aug 18, 2026 |
| MCRB | Eric D. Shaff | Open market sell$1.2K | -2.1% | $4.55 | $1.2K | Aug 17, 2026 | Aug 18, 2026 |
| MCRB | Matthew R. Henn | Open market sell$369 | -1.0% | $4.55 | $369 | Aug 17, 2026 | Aug 18, 2026 |
| MCRB | Thomas DesRosier | Open market sell$373 | -1.0% | $4.55 | $373 | Aug 17, 2026 | Aug 18, 2026 |
| MCRB | Eric D. Shaff | Open market sell$1.95K | -2.1% | $7.53 | $1.95K | May 18, 2026 | May 19, 2026 |
| MCRB | Kelly Brady | Open market sell$444 | -0.7% | $7.53 | $444 | May 18, 2026 | May 19, 2026 |
| MCRB | Thomas DesRosier | Open market sell$595 | -1.0% | $7.53 | $595 | May 18, 2026 | May 19, 2026 |
| MCRB | Matthew R. Henn | Open market sell$580 | -1.0% | $7.53 | $580 | May 18, 2026 | May 19, 2026 |