Select the filing type and date range you wish to view from the drop-down menus below.
| Form | Description | Date | Format |
|---|---|---|---|
| 6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | May 13, 2022 |  Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in HTML. Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in DOC file. Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in PDF file. Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in XLS file. |
| NT 20-F | NT 20-F | Apr 29, 2022 | Open NT 20-F in HTML.Open NT 20-F in DOC file.Open NT 20-F in PDF file.Open NT 20-F in XLS file. |
| SC 13D/A | Amendment to a SC 13D filing | Mar 22, 2022 | Open Amendment to a SC 13D filing in HTML.Open Amendment to a SC 13D filing in DOC file.Open Amendment to a SC 13D filing in PDF file.Open Amendment to a SC 13D filing in XLS file. |