| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Joseph E. Payne | 5.21% | 1,480,097 | $19.29M | Insider |
| Ultragenyx Pharmaceutical Inc | 4.93% | 1,400,000 | $18.24M | Insider |
| Pad Chivukula | 1.53% | 435,334 | $5.67M | Insider |
| Andy Sassine | 0.78% | 221,764 | $2.89M | Insider |
| Peter C. Farrell | 0.35% | 98,696 | $1.29M | Insider |
| Magda Marquet | 0.10% | 28,073 | $365.79k | Insider |
| James F. Barlow | 0.05% | 13,131 | $171.10k | Insider |
| Fedher | 0.01% | 3,304 | $43.05k | Institution |
| Federated Hermes Inc | 0.01% | 3,303 | $43.04k | Institution |
| Jing L. Marantz | 0.01% | 3,131 | $40.80k | Insider |