| Company | Symbol | Filed By | Filing Date | Filing |
|---|---|---|---|---|
| American Century Investment Management Inc | 2019-02-11 | |||
| Blackrock Inc. | 2019-02-04 | |||
| Gerdin Ann S | 2019-01-28 | |||
| 2009 Gerdin Heartland Trust, Uta July 15, 2009 | 2019-01-25 | |||
| American Century Investment Management Inc | 2018-03-02 |