| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 07/15/20 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 5 | |
| 07/15/20 | FWP | Form FWP: Filing under Securities Act Rules 163/433 of free writing prospectuses | 20 | |
| 07/15/20 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 27 | |
| 07/15/20 | SUPPL | Form SUPPL: Voluntary Supplemental Material by Foreign Issuers [Section 11(a)] | 60 | |
| 05/21/20 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 5 | |
| 05/20/20 | S-8 | Form S-8: Securities to be offered to employees in employee benefit plans | 46 | |
| 05/07/20 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 50 | |
| 04/30/20 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 22 | |
| 04/28/20 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 77 | |
| 04/16/20 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 4 |