| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| American Century Investment Management, Inc. | 3.6% | 3.06M | 3.06M | American Century Investment Management, Inc. | /s/ John Pak / Senior Vice President | ||
| American Century Companies, Inc. | 3.6% | 3.06M | 3.06M | American Century Companies, Inc. | /s/ John Pak / Senior Vice President | ||
| Stowers Institute for Medical Research | 3.6% | 3.06M | 3.06M | Stowers Institute for Medical Research | /s/ Joselyn Verschelden / Authorized Signer |