| Type | Filed | |
|---|---|---|
| SC 13G/A | 2021-02-10 | EDGAR |
| SC 13G/A | 2020-02-06 | EDGAR |
| SC 13G | 2020-01-14 | EDGAR |
| SC 13G/A | 2019-02-11 | EDGAR |
| SC 13G | 2019-01-31 | EDGAR |
| SC 13G/A | 2018-02-09 | EDGAR |
| SC 13G | 2018-01-31 | EDGAR |
| SC 13G | 2017-02-13 | EDGAR |
| SC 13G | 2017-02-08 | EDGAR |
| 15-12G | 2011-05-20 | EDGAR |
| 6-K | 2011-05-20 | EDGAR |
| 6-K | 2011-05-12 | EDGAR |
| UPLOAD | 2011-05-04 | EDGAR |
| 20-F/A | 2011-04-22 | EDGAR |
| 6-K | 2011-04-14 | EDGAR |
| 6-K | 2011-04-12 | EDGAR |
| UPLOAD | 2011-04-12 | EDGAR |
| 6-K | 2011-04-07 | EDGAR |
| 6-K | 2011-03-31 | EDGAR |
| 6-K | 2011-03-31 | EDGAR |