GENB
Generate Biomedicines, Inc. · Healthcare · Market cap $2.0B
Insiders sold $16K net in the last 90 days ·1 seller, 0 buyers· 1 of 1 sale under Rule 10b5-1 plans· latest Form 4 filed Sep 3, 2026
Insider Buying
$25.3M
reported purchases (SEC code P)
Insider Selling
$16K
reported sales (SEC code S)
Unique Insiders
6
in the rolling window
Latest filing
Sep 3, 2026
ARNOLD FRANCES
Generate Biomedicines, Inc. (GENB) has 9 SEC Form 4 filings (25 transaction rows) in the rolling window, disclosed by 6 distinct insiders. Most recent filing: Sep 3, 2026.
Inside the rolling window, 6 insiders at Generate Biomedicines, Inc. reported 5 open-market purchases totaling $25.3M and 1 open-market sale totaling $16K. The most recent open-market filing is a sale of 1,000 shares by Director ARNOLD FRANCES, dated Sep 1, 2026, worth $16K.
- Industry:Biotechnology
- CEO:Michael T. Nally
- Employees:312
- HQ:Somerville, MA, US
- IPO:2026-02-27
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Director | Sale | 1,000 | $16K | Sep 3 | -4.0% | SEC ↗ | |
Nally MichaelFirst filing | Chief Executive Officer | Purchase | 20,000 | $240K | Mar 6 | +39.9% | SEC ↗ |
| Director, 10% Owner | Purchase | 1,562,500 | $25.0M | Mar 2 | +28.8% | SEC ↗ | |
Silvers JasonFirst filing | President & CFO | Purchase | 1,500 | $24K | Mar 2 | +28.8% | SEC ↗ |
Mendillo Jane LFirst filing | Director | Purchase | 1,500 | $24K | Mar 2 | — | SEC ↗ |
Grous BethFirst filing | Chief People Officer | Purchase | 300 | $5K | Mar 2 | — | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does GENB have?
Generate Biomedicines, Inc. (GENB) has 9 SEC Form 4 filings (25 transaction rows) in the rolling 365-day window, disclosed by 6 distinct insiders. Most recent filing: Sep 3, 2026.
When was the most recent SEC Form 4 filing for GENB?
The most recent Form 4 filing for GENB on Tracefour is dated Sep 3, 2026.
What is the net insider flow at GENB over the last 6 months?
Over the trailing 180 days, insiders at GENB have net sold $16K based on SEC Form 4 disclosures.
What is the total insider buy and sell value at GENB in the current window?
Inside the rolling window, insiders at GENB bought $25.3M and sold $16K based on SEC Form 4 filings.
Can I get alerts for GENB insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Generate Biomedicines, Inc. (GENB). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Generate Biomedicines, Inc. is in the Healthcare sector.