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| Form | Description | Date | Format |
|---|---|---|---|
| 6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Aug 21, 2017 |     |
| 20-F/A | Amendment to a previously filed 20-F | Jun 28, 2017 | |
| SC 13D | Filing by person(s) reporting owned shares of common stock in a public company >5% | Jun 23, 2017 | |
| 6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | May 25, 2017 | |
| 20-F | Registration of securities of foreign private issuers pursuant to section 12(b) or (g) | May 1, 2017 |   |
| 6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Apr 19, 2017 | |
| 6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Feb 28, 2017 | |
| SC 13G/A | Amendment to a previously filed SC 13G | Feb 14, 2017 | |
| SC 13G/A | Amendment to a previously filed SC 13G | Feb 13, 2017 | |
| SC 13G/A | Amendment to a previously filed SC 13G | Feb 9, 2017 | |
| SC 13G/A | Amendment to a previously filed SC 13G | Feb 7, 2017 | |
| 6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Dec 2, 2016 | |
| 6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Nov 25, 2016 | |
| SC 13D/A | Amendment to a SC 13D filing | Nov 22, 2016 | |
| 6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Nov 10, 2016 | |
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