| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2022 | 15 Feb 2022 | 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 | 10 Nov 2021 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Mar 2021 | 15 Mar 2021 | 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 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jul 2020 | 16 Jul 2020 | 000-20322 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jun 2020 | 14 Nov 2019 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jun 2020 | 09 Jun 2020 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Mar 2020 | 09 Mar 2020 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2020 | 18 Feb 2020 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Dec 2019 | 09 Dec 2019 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Nov 2019 | 14 Nov 2019 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Nov 2019 | 13 Nov 2019 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Sep 2019 | 31 Jul 2019 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2019 | 31 Jul 2019 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Apr 2019 | 16 Apr 2019 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Mar 2019 | 22 Mar 2019 | 000-20322 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Mar 2019 | 04 Mar 2019 | 000-20322 |