| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Dec 2021 | 10 Dec 2021 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Nov 2021 | 15 Nov 2021 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Nov 2021 | 11 Nov 2021 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Nov 2021 | 09 Nov 2021 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Sep 2021 | 15 Sep 2021 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Dec 2020 | 11 Dec 2020 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Dec 2020 | 16 Nov 2020 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Nov 2020 | 16 Nov 2020 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Nov 2020 | 13 Nov 2020 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Nov 2020 | 11 Nov 2020 | 000-20322 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Nov 2020 | 02 Nov 2020 | 000-20322 |