19 insiders reported 128 Form 4 transactions for Generate Biomedicines, Inc. (GENB) over the past 18 months (most recent 2026-03-06). Recent activity: Nally Michael (Chief Executive Officer) Buy 20,000 shares, Flagship VentureLabs VI LLC (Insider) Buy 13.7M shares, Bancel Stephane (Director) Buy 724,160 shares, FPN II, L.P. (Insider) Buy 12.7M shares, Flagship Pioneering Special Opportunities Fund II, L.P. (Insider) Buy 12.7M shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-06 | Nally Michael | Chief Executive Officer | Buy | 20,000 | $240,000 |
| 2026-03-02 | Flagship VentureLabs VI LLC | Insider | Buy | 13.7M | $0 |
| 2026-03-02 | Bancel Stephane | Director | Buy | 724,160 | $0 |
| 2026-03-02 | FPN II, L.P. | Insider | Buy | 12.7M | $0 |
| 2026-03-02 | Flagship Pioneering Special Opportunities Fund II, L.P. | Insider | Buy | 12.7M | $0 |
| 2026-03-02 | Flagship VentureLabs VI LLC | Insider | Buy | 12.7M | $0 |
| 2026-03-02 | Nutritional Health LTP Fund, L.P. | Insider | Buy | 12.7M | $0 |
| 2026-03-02 | Flagship Pioneering Fund VI, L.P. | Insider | Buy | 12.7M | $0 |
| 2026-03-02 | AFEYAN NOUBAR | Director | Buy | 12.7M | $0 |
| 2026-03-02 | Flagship Pioneering Fund VII, L.P. | Insider | Buy | 12.7M | $0 |
| 2026-03-02 | Flagship Pioneering Special Opportunities Fund II, L.P. | Insider | Buy | 13.7M | $0 |
| 2026-03-02 | Flagship Pioneering Fund VII, L.P. | Insider | Buy | 13.7M | $0 |
| 2026-03-02 | Nally Michael | Chief Executive Officer | Buy | 658,327 | $0 |
| 2026-03-02 | Nutritional Health LTP Fund, L.P. | Insider | Buy | 13.7M | $0 |
| 2026-03-02 | FPN II, L.P. | Insider | Buy | 13.7M | $0 |
| 2026-03-02 | Flagship Pioneering Fund VI, L.P. | Insider | Buy | 13.7M | $0 |
| 2026-03-02 | AFEYAN NOUBAR | Director | Buy | 13.7M | $0 |
| 2026-03-02 | Flagship Pioneering Special Opportunities Fund II, L.P. | Insider | Buy | 987,491 | $0 |
| 2026-03-02 | Flagship Pioneering Fund VI, L.P. | Insider | Buy | 987,491 | $0 |
| 2026-03-02 | Flagship VentureLabs VI LLC | Insider | Buy | 987,491 | $0 |
| 2026-03-02 | FPN II, L.P. | Insider | Buy | 987,491 | $0 |
| 2026-03-02 | Nutritional Health LTP Fund, L.P. | Insider | Buy | 987,491 | $0 |
| 2026-03-02 | AFEYAN NOUBAR | Director | Buy | 987,491 | $0 |
| 2026-03-02 | Flagship Pioneering Fund VII, L.P. | Insider | Buy | 987,491 | $0 |
| 2026-03-02 | Nutritional Health LTP Fund, L.P. | Insider | Buy | 2.8M | $0 |
Source: SEC Form 4 filings · as of 2026-03-06
