| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jun 2021 | 04 Jun 2021 | 001-13585 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Mar 2021 | 15 Mar 2021 | 001-13585 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2021 | 02 Mar 2021 | 001-13585 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2020 | 15 Dec 2020 | 001-13585 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Sep 2020 | 21 Sep 2020 | 001-13585 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Sep 2020 | 01 Sep 2020 | 001-13585 |