| Company | Symbol | Filed By | Filing Date | Filing |
|---|---|---|---|---|
| Blackrock Inc. | 2018-01-19 | |||
| Praesidium Investment Management Company, Llc | 2017-09-15 | |||
| Praesidium Investment Management Company, Llc | 2017-08-02 | |||
| Praesidium Investment Management Company, Llc | 2017-03-29 | |||
| Vanguard Group Inc | 2017-02-13 |