2026Q1
| Insider | Role (last 12 mo) | Shares held | Filed at |
|---|---|---|---|
| Afeyan Noubar | Director | 25,016,458 | Feb 26, 2026 |
| Flagship Pioneering Inc. | 10% Owner | 25,016,458 | Feb 26, 2026 |
| Flagship Pioneering Fund VI General Partner LLC | 10% Owner | 25,016,458 | Feb 26, 2026 |
| Flagship Pioneering Special Opportunities Fund II General Partner LLC | 10% Owner | 25,016,458 | Feb 26, 2026 |
| Nutritional Health LTP Fund General Partner LLC | 10% Owner | 25,016,458 | Feb 26, 2026 |
| Exec date | Filing date | Insider | Role | Signal | Confidence | Shares | % of shares | Under plan? | Amount (USD) |
|---|---|---|---|---|---|---|---|---|---|
| Mar 4, 2026 | Mar 6, 2026 | Nally Michael | CEO | Buy | 72.5 | +20,000 | 0.70% | ✗ | $240K |
| Feb 26, 2026 | Mar 2, 2026 | Vessey Rupert | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 2, 2026 | Mar 2, 2026 | Grous Beth | Chief People Officer | Buy | 90.0 | +300 | 100.00% | ✗ | $4.8K |
| Feb 26, 2026 | Mar 2, 2026 | ARNOLD FRANCES | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 26, 2026 | Mar 2, 2026 | Lee Laurie Anne | Chief Medical Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 26, 2026 | Mar 2, 2026 | Martin Sean | Chief Legal Officer & GC | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 26, 2026 | Mar 2, 2026 | Simonian Nancy A | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 2, 2026 | Mar 2, 2026 | Silvers Jason | CFO | Buy | 91.3 | +2,000 | 100.00% | ✗ | $32K |
| Mar 2, 2026 | Mar 2, 2026 | AFEYAN NOUBAR | Director | Buy | 100.0 | +4,687,500 | 11.30% | ✗ | $75M |
| Feb 26, 2026 | Mar 2, 2026 | Grigoryan Gevorg | Chief Technology Officer | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 2, 2026 | Mar 2, 2026 | Nally Michael | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 2, 2026 | Mar 2, 2026 | Bancel Stephane | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 2, 2026 | Mar 2, 2026 | Mendillo Jane L | Director | Buy | 91.3 | +1,500 | 100.00% | ✗ | $24K |
| Feb 26, 2026 | Mar 2, 2026 | Fanucci Marsha | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Feb 26, 2026 | Mar 2, 2026 | Parker Paul Gray | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 2, 2026 | Mar 2, 2026 | AFEYAN NOUBAR | Director | Buy | 100.0 | +4,687,500 | 11.30% | ✗ | $75M |
| Feb 26, 2026 | AFEYAN NOUBAR | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Feb 26, 2026 | AFEYAN NOUBAR | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Feb 26, 2026 | Nally Michael | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Feb 26, 2026 | Martin Sean | Chief Legal Officer & GC | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Feb 26, 2026 | Silvers Jason | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Feb 26, 2026 | Parker Paul Gray | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Feb 26, 2026 | Simonian Nancy A | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Feb 26, 2026 | Mendillo Jane L | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Feb 26, 2026 | Lee Laurie Anne | Chief Medical Officer | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Feb 26, 2026 | Grigoryan Gevorg | Chief Technology Officer | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Feb 26, 2026 | Grous Beth | Chief People Officer | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Feb 26, 2026 | Bancel Stephane | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Feb 26, 2026 | Vessey Rupert | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Feb 26, 2026 | Khakoo Aarif | Chief Scientific Officer | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Feb 26, 2026 | ARNOLD FRANCES | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Feb 26, 2026 | Fanucci Marsha | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |