| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| American Century Investment Management, Inc. | 4.2% | 237K | 234K | 0 | American Century Investment Management, Inc. | /s/ John Pak / Senior Vice President | |
| American Century Companies, Inc. | 4.2% | 237K | 234K | 0 | American Century Companies, Inc. | /s/ John Pak / Senior Vice President | |
| Stowers Institute for Medical Research | 4.2% | 237K | 234K | 0 | Stowers Institute for Medical Research | /s/ Joselyn Verschelden / Authorized Signer |