Generate Biomedicines, Inc. insider trading
GENB$13.69-0.11 (-0.80%)
“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: Feb 27, 2026 to Oct 2, 2026. Price (+8.2%). 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
- MNMichael Nally2.251%
- PMPioneering Medicines 02, LLC1.2174%
- SBStephane Bancel0.9232%
- GGGevorg Grigoryan0.5142%
- FAFrances Arnold0.3615%
- JSJason Silvers0.0012%
- JLJane L. Mendillo0.0012%
- BGBeth Grous0.0002%
- NHNutritional Health LTP Fund General Partner LLCNot reported
- FPFlagship Pioneering Fund VI, L.P.Not reported
AI Activity Analysis
PremiumComing soon
Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| GENB | Frances Arnold | Open market sell$16K | -0.2% | $16.00 | $16K | Sep 1, 2026 | Sep 3, 2026 |
| GENB | Michael Nally | Open market purchase$240K | +0.7% | $12.00 | $240K | Mar 4, 2026 | Mar 6, 2026 |
| GENB | Beth Grous | Open market purchase$4.8K | Not reported | $16.00 | $4.8K | Mar 2, 2026 | Mar 2, 2026 |
| GENB | Jason Silvers | Open market purchase$16K | +200.0% | $16.00 | $16K | Mar 2, 2026 | Mar 2, 2026 |
| GENB | Jason Silvers | Open market purchase$8K | +50.0% | $16.00 | $8K | Mar 2, 2026 | Mar 2, 2026 |
| GENB | Jason Silvers | Open market purchase$8K | +50.0% | $16.00 | $8K | Mar 2, 2026 | Mar 2, 2026 |
| GENB | Nutritional Health LTP Fund General Partner LLC | Open market purchase$25M | +2.6% | $16.00 | $25M | Mar 2, 2026 | Mar 2, 2026 |
| GENB | Nutritional Health LTP Fund General Partner LLC | Open market purchase$25M | +2.6% | $16.00 | $25M | Mar 2, 2026 | Mar 2, 2026 |
| GENB | Nutritional Health LTP Fund General Partner LLC | Open market purchase$25M | +2.6% | $16.00 | $25M | Mar 2, 2026 | Mar 2, 2026 |
| GENB | Jane L. Mendillo | Open market purchase$24K | Not reported | $16.00 | $24K | Mar 2, 2026 | Mar 2, 2026 |
| GENB | Flagship Pioneering Fund VI, L.P. | Open market purchase$25M | +2.6% | $16.00 | $25M | Mar 2, 2026 | Mar 2, 2026 |
| GENB | Flagship Pioneering Fund VI, L.P. | Open market purchase$25M | +2.6% | $16.00 | $25M | Mar 2, 2026 | Mar 2, 2026 |
| GENB | Flagship Pioneering Fund VI, L.P. | Open market purchase$25M | +2.6% | $16.00 | $25M | Mar 2, 2026 | Mar 2, 2026 |