| American Century Capital Portfolios, Inc. |
5% |
2,931,718 |
2,931,718 |
|
American Century Capital Portfolios, Inc. |
/s/ John Pak / Senior Vice President |
|
| American Century Investment Management, Inc. |
7.4% |
4,326,335 |
4,186,745 |
|
American Century Investment Management, Inc. |
/s/ John Pak / Senior Vice President |
|
| American Century Companies, Inc. |
7.4% |
4,326,335 |
4,186,745 |
|
American Century Companies, Inc. |
/s/ John Pak / Senior Vice President |
|
| Stowers Institute for Medical Research |
7.4% |
4,326,335 |
4,186,745 |
|
Stowers Institute for Medical Research |
/s/ Joselyn Verschelden / Authorized Signer |
|