| Company | Symbol | Filed By | Filing Date | Filing | 
|---|---|---|---|---|
| Nalluri Anil Choudary Inc P/s Plan & Trust U/a/dtd 7/1/80 | 2017-05-02 | |||
| Raffles Associates Lp | 2017-02-15 | |||
| Dimensional Fund Advisors Lp | 2017-02-09 | |||
| Nalluri Anil Choudary Inc P/s Plan & Trust U/a/dtd 7/1/80 | 2016-08-08 | |||
| Nalluri Anil Choudary Inc P/s Plan & Trust U/a/dtd 7/1/80 | 2016-06-29 |