| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jan 2022 | 06 Jan 2022 | 000-32891 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2021 | 02 Jan 2021 | 000-32891 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2020 | 13 Aug 2020 | 000-32891 |
| 4 | Open Document | Open Filing | 07 Aug 2020 | 05 Aug 2020 | 000-32891 | |
| 4 | Open Document | Open Filing | 30 Jul 2020 | 28 Jul 2020 | 000-32891 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Mar 2020 | 19 Mar 2020 | 000-32891 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2020 | 28 Feb 2020 | 000-32891 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2020 | 02 Jan 2020 | 000-32891 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Aug 2019 | 13 Aug 2019 | 000-32891 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jul 2019 | 29 Jul 2019 | 000-32891 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jul 2019 | 23 Jul 2019 | 000-32891 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2019 | 04 Feb 2019 | 000-32891 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jan 2019 | 04 Jan 2019 | 000-32891 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Aug 2018 | 13 Aug 2018 | 000-32891 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2018 | 18 Jan 2018 | 000-32891 |