| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/20/18 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 3 | |
| 02/08/18 | CT ORDER | Form CT ORDER: Confidential treatment order | 1 | |
| 01/10/18 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 18 | |
| 12/27/17 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 4 | |
| 12/21/17 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 4 | |
| 12/18/17 | 20-F/A | Form 20-F/A: Annual and transition report of foreign private issuers [Sections 13 or 15(d)] | 186 | |
| 12/01/17 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 16 | |
| 11/29/17 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 4 | |
| 11/17/17 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 3 | |
| 11/17/17 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 3 |
