| American Century Capital Portfolios, Inc. |
8.3% |
6,763,221 |
6,763,221 |
0 |
American Century Capital Portfolios, Inc. |
/s/ John Pak / Senior Vice President |
|
| American Century Investment Management, Inc. |
12% |
9,855,247 |
9,527,472 |
0 |
American Century Investment Management, Inc. |
/s/ John Pak / Senior Vice President |
|
| American Century Companies, Inc. |
12% |
9,855,247 |
9,527,472 |
0 |
American Century Companies, Inc. |
/s/ John Pak / Senior Vice President |
|
| Stowers Institute for Medical Research |
12% |
9,855,247 |
9,527,472 |
0 |
Stowers Institute for Medical Research |
/s/ Joselyn Verschelden / Authroized Signer |
|