| American Century Mutual Funds, Inc. |
5.3% |
2,272,347 |
2,272,347 |
0 |
American Century Mutual Funds, Inc. |
/s/ John Pak / Senior Vice President |
|
| American Century Investment Management, Inc. |
6.6% |
2,838,107 |
2,438,095 |
0 |
American Century Investment Management, Inc. |
/s/ John Pak / Senior Vice President |
|
| American Century Companies, Inc. |
6.6% |
2,838,107 |
2,438,095 |
0 |
American Century Companies, Inc. |
/s/ John Pak / Senior Vice President |
|
| Stowers Institute for Medical Research |
6.6% |
2,838,107 |
2,438,095 |
0 |
Stowers Institute for Medical Research |
/s/ Joselyn Verschelden / Authorized Signer |
|