| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Palo Alto Investors LP | 4.9% | 1,531,429 | 0 | 1,531,429 | Angela Nguyen-Dinh | Chief Compliance Officer | |
| PAI LLC | 4.9% | 1,531,429 | 0 | 1,531,429 | Patrick Lee, MD | Patrick Lee, MD | |
| Patrick Lee, MD | 4.9% | 1,531,429 | 0 | 1,531,429 | Patrick Lee, MD | Patrick Lee, MD | |
| Anthony Joonkyoo Yun, MD | 4.9% | 1,531,429 | 0 | 1,531,429 | Anthony Joonkyoo Yun, MD | Anthony Joonkyoo Yun, MD |