| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/25/21 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 4 | |
| 02/16/21 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 22 | |
| 02/11/21 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 4 | |
| 02/09/21 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 5 | |
| 02/09/21 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 8 | |
| 02/08/21 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 02/05/21 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 12 | |
| 01/05/21 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 4 | |
| 12/21/20 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 5 | |
| 11/30/20 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 4 |