| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Joseph E. Payne | 5.21% | 1,480,097 | $16.27M | Insider |
| Ultragenyx Pharmaceutical Inc | 4.93% | 1,400,000 | $15.39M | Insider |
| Pad Chivukula | 1.53% | 435,334 | $4.78M | Insider |
| Andy Sassine | 0.78% | 221,764 | $2.44M | Insider |
| Peter C. Farrell | 0.35% | 98,696 | $1.08M | Insider |
| Magda Marquet | 0.10% | 28,073 | $308.52k | Insider |
| James F. Barlow | 0.05% | 13,131 | $144.31k | Insider |
| Fedher | 0.01% | 3,304 | $36.31k | Institution |
| Federated Hermes Inc | 0.01% | 3,304 | $36.31k | Institution |
| John Markels | 0.01% | 3,131 | $34.41k | Insider |