| Company | Symbol | Filed By | Filing Date | Filing |
|---|---|---|---|---|
| Oxford Asset Management Llp | 2018-02-13 | |||
| Basso Capital Management, L.p. | 2018-02-13 | |||
| Lighthouse Investment Partners, Llc | 2018-01-30 | |||
| Basso Capital Management, L.p. | 2017-10-10 | |||
| Polar Asset Management Partners Inc. | 2017-08-08 |