United States Healthcare Equipment & Supplies

Generate Biomedicines Inc (GENB)

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Generate Biomedicines Inc. experienced three insider trading transactions recently, all involving proposed or planned sales by Director Frances Arnold totaling approximately $552,635. These divestments follow a period where the stock price declined 19.1% over the last quarter, occurring after the company reported a miss in its latest earnings report.
Ticker: GENB Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Generate Biomedicines Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.1
ARNOLD FRANCES Director Non-Executive Director
Transaction date
Proposed sale
Price
252.62
Quantity 37,676
Value US$735,426
3.1
ARNOLD FRANCES Non-Executive Director
Transaction date
Planned sale
Price
406.75
Quantity 11,175 +46.0%
Value US$669,912
3.1
ARNOLD FRANCES Director Non-Executive Director
Transaction date
Proposed sale
Price
488.39
Quantity 27,153
Value US$1,849,420
2.4
Nally Michael Chief Executive Officer Executive Director
Transaction date
Purchase
Price
12.00
Quantity 20,000 +3.6%
Value US$240,000
Grous Beth Chief People Officer Officer
Transaction date
Purchase
Price
16.00
Quantity 300 +inf%
Value US$4,800
Silvers Jason President & CFO Officer
Transaction date
Purchase
Price
16.00
Quantity 1,000 +inf%
Value US$16,000
Silvers Jason President & CFO Officer
Transaction date
Purchase
Price
16.00
Quantity 500 +inf%
Value US$8,000
Silvers Jason President & CFO Officer
Transaction date
Purchase
Price
16.00
Quantity 500 +inf%
Value US$8,000
3.4
AFEYAN NOUBAR Non-Executive Director Large shareholder
Transaction date
Purchase
Price
16.00
Quantity 1,562,500 +inf%
Value US$25,000,000
3.4
AFEYAN NOUBAR Non-Executive Director Large shareholder
Transaction date
Purchase
Price
16.00
Quantity 1,562,500 +56.3%
Value US$25,000,000
3.4
AFEYAN NOUBAR Non-Executive Director Large shareholder
Transaction date
Purchase
Price
16.00
Quantity 1,562,500 +11.4%
Value US$25,000,000
Mendillo Jane L Non-Executive Director
Transaction date
Purchase
Price
16.00
Quantity 1,500 +inf%
Value US$24,000
3.4
AFEYAN NOUBAR Non-Executive Director Large shareholder
Transaction date
Purchase
Price
16.00
Quantity 1,562,500 +inf%
Value US$25,000,000
3.4
AFEYAN NOUBAR Non-Executive Director Large shareholder
Transaction date
Purchase
Price
16.00
Quantity 1,562,500 +56.3%
Value US$25,000,000
3.4
AFEYAN NOUBAR Non-Executive Director Large shareholder
Transaction date
Purchase
Price
16.00
Quantity 1,562,500 +11.4%
Value US$25,000,000
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-09-02 2026-09-02 PrS Proposed sale
3.1
ARNOLD FRANCES

Director

Non-Executive Director
37,676
252.62
US$735,426 		37,676 252.62 US$735,426
2026-09-03 2026-09-01 PlS Planned sale
3.1
ARNOLD FRANCES
Non-Executive Director
11,175 +46.0%
406.75
US$669,912 		11,175 +46.0% 406.75 US$669,912
2026-09-01 2026-09-01 PrS Proposed sale
3.1
ARNOLD FRANCES

Director

Non-Executive Director
27,153
488.39
US$1,849,420 		27,153 488.39 US$1,849,420
2026-03-06 2026-03-04 B Purchase
2.4
Nally Michael

Chief Executive Officer

Executive Director
20,000 +3.6%
12.00
US$240,000 		20,000 +3.6% 12.00 US$240,000
2026-03-02 2026-03-02 B Purchase
Grous Beth

Chief People Officer

Officer
300 +inf%
16.00
US$4,800 		300 +inf% 16.00 US$4,800
2026-03-02 2026-03-02 B Purchase
Silvers Jason

President & CFO

Officer
1,000 +inf%
16.00
US$16,000 		1,000 +inf% 16.00 US$16,000
2026-03-02 2026-03-02 B Purchase
Silvers Jason

President & CFO

Officer
500 +inf%
16.00
US$8,000 		500 +inf% 16.00 US$8,000
2026-03-02 2026-03-02 B Purchase
Silvers Jason

President & CFO

Officer
500 +inf%
16.00
US$8,000 		500 +inf% 16.00 US$8,000
2026-03-02 2026-03-02 B Purchase
3.4
AFEYAN NOUBAR
Non-Executive Director Large shareholder
1,562,500 +inf%
16.00
US$25,000,000 		1,562,500 +inf% 16.00 US$25,000,000
2026-03-02 2026-03-02 B Purchase
3.4
AFEYAN NOUBAR
Non-Executive Director Large shareholder
1,562,500 +56.3%
16.00
US$25,000,000 		1,562,500 +56.3% 16.00 US$25,000,000
2026-03-02 2026-03-02 B Purchase
3.4
AFEYAN NOUBAR
Non-Executive Director Large shareholder
1,562,500 +11.4%
16.00
US$25,000,000 		1,562,500 +11.4% 16.00 US$25,000,000
2026-03-02 2026-03-02 B Purchase
Mendillo Jane L
Non-Executive Director
1,500 +inf%
16.00
US$24,000 		1,500 +inf% 16.00 US$24,000
2026-03-02 2026-03-02 B Purchase
3.4
AFEYAN NOUBAR
Non-Executive Director Large shareholder
1,562,500 +inf%
16.00
US$25,000,000 		1,562,500 +inf% 16.00 US$25,000,000
2026-03-02 2026-03-02 B Purchase
3.4
AFEYAN NOUBAR
Non-Executive Director Large shareholder
1,562,500 +56.3%
16.00
US$25,000,000 		1,562,500 +56.3% 16.00 US$25,000,000
2026-03-02 2026-03-02 B Purchase
3.4
AFEYAN NOUBAR
Non-Executive Director Large shareholder
1,562,500 +11.4%
16.00
US$25,000,000 		1,562,500 +11.4% 16.00 US$25,000,000
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