20 insiders reported 129 Form 4 transactions for Generate Biomedicines, Inc. (GENB) over the past 18 months (most recent 2026-09-03). Recent activity: ARNOLD FRANCES (Director) Sell 1,000 shares, Nally Michael (Chief Executive Officer) Buy 20,000 shares, Flagship Pioneering Fund VI, L.P. (10% Owner) Buy 13.7M shares, Bancel Stephane (Director) Buy 724,160 shares, AFEYAN NOUBAR (Director) Buy 12.7M shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-03 | ARNOLD FRANCES | Director | Sell | 1,000 | $16,002 |
| 2026-03-06 | Nally Michael | Chief Executive Officer | Buy | 20,000 | $240,000 |
| 2026-03-02 | Flagship Pioneering Fund VI, L.P. | 10% Owner | Buy | 13.7M | $0 |
| 2026-03-02 | Bancel Stephane | Director | Buy | 724,160 | $0 |
| 2026-03-02 | AFEYAN NOUBAR | Director | Buy | 12.7M | $0 |
| 2026-03-02 | Flagship Pioneering Fund VI, L.P. | 10% Owner | Buy | 12.7M | $0 |
| 2026-03-02 | Flagship VentureLabs VI LLC | 10% Owner | Buy | 12.7M | $0 |
| 2026-03-02 | Flagship Pioneering Special Opportunities Fund II, L.P. | 10% Owner | Buy | 12.7M | $0 |
| 2026-03-02 | Nutritional Health LTP Fund, L.P. | 10% Owner | Buy | 12.7M | $0 |
| 2026-03-02 | Flagship Pioneering Fund VII, L.P. | 10% Owner | Buy | 12.7M | $0 |
| 2026-03-02 | FPN II, L.P. | 10% Owner | Buy | 12.7M | $0 |
| 2026-03-02 | AFEYAN NOUBAR | Director | Buy | 13.7M | $0 |
| 2026-03-02 | Nally Michael | Chief Executive Officer | Buy | 658,327 | $0 |
| 2026-03-02 | Flagship VentureLabs VI LLC | 10% Owner | Buy | 13.7M | $0 |
| 2026-03-02 | Flagship Pioneering Special Opportunities Fund II, L.P. | 10% Owner | Buy | 13.7M | $0 |
| 2026-03-02 | Nutritional Health LTP Fund, L.P. | 10% Owner | Buy | 13.7M | $0 |
| 2026-03-02 | Flagship Pioneering Fund VII, L.P. | 10% Owner | Buy | 13.7M | $0 |
| 2026-03-02 | FPN II, L.P. | 10% Owner | Buy | 13.7M | $0 |
| 2026-03-02 | AFEYAN NOUBAR | Director | Buy | 987,491 | $0 |
| 2026-03-02 | Flagship Pioneering Fund VI, L.P. | 10% Owner | Buy | 987,491 | $0 |
| 2026-03-02 | Flagship VentureLabs VI LLC | 10% Owner | Buy | 987,491 | $0 |
| 2026-03-02 | Flagship Pioneering Special Opportunities Fund II, L.P. | 10% Owner | Buy | 987,491 | $0 |
| 2026-03-02 | Nutritional Health LTP Fund, L.P. | 10% Owner | Buy | 987,491 | $0 |
| 2026-03-02 | Flagship Pioneering Fund VII, L.P. | 10% Owner | Buy | 987,491 | $0 |
| 2026-03-02 | FPN II, L.P. | 10% Owner | Buy | 987,491 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-09-03