GENBGenerate Biomedicines, Inc.
- Market cap
- $1.59B
- as of 2026-10-23
- Latest close
- $12.41
- as of 2026-10-23
- Sector
- Healthcare
- as of 2026-10-24
- Industry
- Biotechnology
- as of 2026-10-24
Cluster
No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).
Form 4 historysince 2026-03-02
| Insider | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Arnold Frances | Sep 1 | Sep 3 | S | 1,000 | $16.00 | Sale −$16,000 | 231,472 | Yes | Form 4 |
| Nally MichaelChief Executive Officer | Mar 4 | Mar 6 | P | 20,000 | $12.00 | Purchase +$240,000 | 572,707 | No | Form 4 |
| Flagship Pioneering Fund VI, L.P. | Mar 2 | Mar 2 | C | 12,723,940 | not reported | not reported | 12,723,940 | No | Form 4 |
| Flagship Pioneering Fund VI, L.P. | Mar 2 | Mar 2 | C | 13,702,224 | not reported | not reported | 13,702,224 | No | Form 4 |
| Flagship Pioneering Fund VI, L.P. | Mar 2 | Mar 2 | C | 987,491 | not reported | not reported | 987,491 | No | Form 4 |
| Flagship Pioneering Fund VI, L.P. | Mar 2 | Mar 2 | C | 2,777,752 | not reported | not reported | 2,777,752 | No | Form 4 |
| Flagship Pioneering Fund VI, L.P. | Mar 2 | Mar 2 | C | 2,777,752 | not reported | not reported | 2,777,752 | No | Form 4 |
| Flagship Pioneering Fund VI, L.P. | Mar 2 | Mar 2 | P | 1,562,500 | $16.00 | Purchase +$25,000,000 | 15,264,724 | No | Form 4 |
| Flagship Pioneering Fund VI, L.P. | Mar 2 | Mar 2 | P | 1,562,500 | $16.00 | Purchase +$25,000,000 | 4,340,252 | No | Form 4 |
| Flagship Pioneering Fund VI, L.P. | Mar 2 | Mar 2 | P | 1,562,500 | $16.00 | Purchase +$25,000,000 | 1,562,500 | No | Form 4 |
| Flagship Pioneering Fund VI, L.P. | Mar 2 | Mar 2 | C · derivative | 18,483,785 | $0.00 | $0 | not reported | No | Form 4 |
| Flagship Pioneering Fund VI, L.P. | Mar 2 | Mar 2 | C · derivative | 17,016,215 | $0.00 | $0 | not reported | No | Form 4 |
| Flagship Pioneering Fund VI, L.P. | Mar 2 | Mar 2 | C · derivative | 1,500,000 | $0.00 | $0 | not reported | No | Form 4 |
| Flagship Pioneering Fund VI, L.P. | Mar 2 | Mar 2 | C · derivative | 843,881 | $0.00 | $0 | not reported | No | Form 4 |
| Flagship Pioneering Fund VI, L.P. | Mar 2 | Mar 2 | C · derivative | 1,265,822 | $0.00 | $0 | not reported | No | Form 4 |
| Flagship Pioneering Fund VI, L.P. | Mar 2 | Mar 2 | C · derivative | 2,953,586 | $0.00 | $0 | not reported | No | Form 4 |
| Flagship Pioneering Fund VI, L.P. | Mar 2 | Mar 2 | C · derivative | 2,109,704 | $0.00 | $0 | not reported | No | Form 4 |
| Flagship Pioneering Fund VI, L.P. | Mar 2 | Mar 2 | C · derivative | 2,531,644 | $0.00 | $0 | not reported | No | Form 4 |
| Flagship Pioneering Fund VI, L.P. | Mar 2 | Mar 2 | C · derivative | 1,265,822 | $0.00 | $0 | not reported | No | Form 4 |
| Flagship Pioneering Fund VI, L.P. | Mar 2 | Mar 2 | C · derivative | 2,109,704 | $0.00 | $0 | not reported | No | Form 4 |
| Mendillo Jane L | Mar 2 | Mar 2 | P | 1,500 | $16.00 | Purchase +$24,000 | 1,500 | No | Form 4 |
| Bancel Stephane | Mar 2 | Mar 2 | C | 724,160 | not reported | not reported | 724,160 | No | Form 4 |
| Bancel Stephane | Mar 2 | Mar 2 | C · derivative | 1,100,000 | $0.00 | $0 | not reported | No | Form 4 |
| Nally MichaelChief Executive Officer | Mar 2 | Mar 2 | C | 658,327 | not reported | not reported | 1,316,654 | No | Form 4 |
| Nally MichaelChief Executive Officer | Mar 2 | Mar 2 | C · derivative | 1,000,000 | $0.00 | $0 | not reported | No | Form 4 |
| Nutritional Health LTP Fund General Partner LLC | Mar 2 | Mar 2 | C | 12,723,940 | not reported | not reported | 12,723,940 | No | Form 4 |
| Nutritional Health LTP Fund General Partner LLC | Mar 2 | Mar 2 | C | 13,702,224 | not reported | not reported | 13,702,224 | No | Form 4 |
| Nutritional Health LTP Fund General Partner LLC | Mar 2 | Mar 2 | C | 987,491 | not reported | not reported | 987,491 | No | Form 4 |
| Nutritional Health LTP Fund General Partner LLC | Mar 2 | Mar 2 | C | 2,777,752 | not reported | not reported | 2,777,752 | No | Form 4 |
| Nutritional Health LTP Fund General Partner LLC | Mar 2 | Mar 2 | C | 2,777,752 | not reported | not reported | 2,777,752 | No | Form 4 |
| Nutritional Health LTP Fund General Partner LLC | Mar 2 | Mar 2 | P | 1,562,500 | $16.00 | Purchase +$25,000,000 | 15,264,724 | No | Form 4 |
| Nutritional Health LTP Fund General Partner LLC | Mar 2 | Mar 2 | P | 1,562,500 | $16.00 | Purchase +$25,000,000 | 4,340,252 | No | Form 4 |
| Nutritional Health LTP Fund General Partner LLC | Mar 2 | Mar 2 | P | 1,562,500 | $16.00 | Purchase +$25,000,000 | 1,562,500 | No | Form 4 |
| Nutritional Health LTP Fund General Partner LLC | Mar 2 | Mar 2 | C · derivative | 18,483,785 | $0.00 | $0 | not reported | No | Form 4 |
| Nutritional Health LTP Fund General Partner LLC | Mar 2 | Mar 2 | C · derivative | 17,016,215 | $0.00 | $0 | not reported | No | Form 4 |
| Nutritional Health LTP Fund General Partner LLC | Mar 2 | Mar 2 | C · derivative | 1,500,000 | $0.00 | $0 | not reported | No | Form 4 |
| Nutritional Health LTP Fund General Partner LLC | Mar 2 | Mar 2 | C · derivative | 843,881 | $0.00 | $0 | not reported | No | Form 4 |
| Nutritional Health LTP Fund General Partner LLC | Mar 2 | Mar 2 | C · derivative | 1,265,822 | $0.00 | $0 | not reported | No | Form 4 |
| Nutritional Health LTP Fund General Partner LLC | Mar 2 | Mar 2 | C · derivative | 2,953,586 | $0.00 | $0 | not reported | No | Form 4 |
| Nutritional Health LTP Fund General Partner LLC | Mar 2 | Mar 2 | C · derivative | 2,109,704 | $0.00 | $0 | not reported | No | Form 4 |
| Nutritional Health LTP Fund General Partner LLC | Mar 2 | Mar 2 | C · derivative | 2,531,644 | $0.00 | $0 | not reported | No | Form 4 |
| Nutritional Health LTP Fund General Partner LLC | Mar 2 | Mar 2 | C · derivative | 1,265,822 | $0.00 | $0 | not reported | No | Form 4 |
| Nutritional Health LTP Fund General Partner LLC | Mar 2 | Mar 2 | C · derivative | 2,109,704 | $0.00 | $0 | not reported | No | Form 4 |
| Silvers JasonPresident & CFO | Mar 2 | Mar 2 | P | 500 | $16.00 | Purchase +$8,000 | 500 | No | Form 4 |
| Silvers JasonPresident & CFO | Mar 2 | Mar 2 | P | 500 | $16.00 | Purchase +$8,000 | 500 | No | Form 4 |
| Silvers JasonPresident & CFO | Mar 2 | Mar 2 | P | 1,000 | $16.00 | Purchase +$16,000 | 1,000 | No | Form 4 |
| Grous BethChief People Officer | Mar 2 | Mar 2 | P | 300 | $16.00 | Purchase +$4,800 | 300 | No | Form 4 |
| Flagship Pioneering Fund VI, L.P. | Feb 26 | Mar 2 | A · derivative | 29,561 | $16.00 | $472,976 | 29,561 | No | Form 4 |
| Parker Paul Gray | Feb 26 | Mar 2 | A · derivative | 29,561 | $16.00 | $472,976 | 29,561 | No | Form 4 |
| Fanucci Marsha | Feb 26 | Mar 2 | A · derivative | 29,561 | $16.00 | $472,976 | 29,561 | No | Form 4 |
| Mendillo Jane L | Feb 26 | Mar 2 | A · derivative | 29,561 | $16.00 | $472,976 | 29,561 | No | Form 4 |
| Bancel Stephane | Feb 26 | Mar 2 | A · derivative | 29,561 | $16.00 | $472,976 | 29,561 | No | Form 4 |
| Nally MichaelChief Executive Officer | Feb 26 | Mar 2 | A · derivative | 844,595 | $16.00 | $13,513,520 | 844,595 | No | Form 4 |
| Nally MichaelChief Executive Officer | Feb 26 | Mar 2 | A · derivative | 844,595 | $16.00 | $13,513,520 | 844,595 | No | Form 4 |
| Grigoryan GevorgChief Technology Officer | Feb 26 | Mar 2 | A · derivative | 295,608 | $16.00 | $4,729,728 | 295,608 | No | Form 4 |
| Grigoryan GevorgChief Technology Officer | Feb 26 | Mar 2 | A · derivative | 196,368 | $16.00 | $3,141,888 | 196,368 | No | Form 4 |
| Nutritional Health LTP Fund General Partner LLC | Feb 26 | Mar 2 | A · derivative | 29,561 | $16.00 | $472,976 | 29,561 | No | Form 4 |
| Silvers JasonPresident & CFO | Feb 26 | Mar 2 | A · derivative | 295,608 | $16.00 | $4,729,728 | 295,608 | No | Form 4 |
| Silvers JasonPresident & CFO | Feb 26 | Mar 2 | A · derivative | 274,493 | $16.00 | $4,391,888 | 274,493 | No | Form 4 |
| Simonian Nancy A | Feb 26 | Mar 2 | A · derivative | 29,561 | $16.00 | $472,976 | 29,561 | No | Form 4 |
| Martin SeanChief Legal Officer & GC | Feb 26 | Mar 2 | A · derivative | 190,034 | $16.00 | $3,040,544 | 190,034 | No | Form 4 |
| Lee Laurie AnneChief Medical Officer | Feb 26 | Mar 2 | A · derivative | 42,230 | $16.00 | $675,680 | 42,230 | No | Form 4 |
| Arnold Frances | Feb 26 | Mar 2 | A · derivative | 29,561 | $16.00 | $472,976 | 29,561 | No | Form 4 |
| Grous BethChief People Officer | Feb 26 | Mar 2 | A · derivative | 114,020 | $16.00 | $1,824,320 | 114,020 | No | Form 4 |
| Vessey Rupert | Feb 26 | Mar 2 | A · derivative | 29,561 | $16.00 | $472,976 | 29,561 | No | Form 4 |