| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2022 | Feb 15, 2022 | 001-01520 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 17, 2021 | Nov 15, 2021 | 001-01520 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 18, 2021 | Aug 16, 2021 | 001-01520 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 25, 2021 | May 17, 2021 | 001-01520 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2021 | May 17, 2021 | 001-01520 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2021 | Feb 16, 2021 | 001-01520 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 17, 2020 | Nov 16, 2020 | 001-01520 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 20, 2020 | Aug 18, 2020 | 001-01520 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 20, 2020 | Aug 14, 2020 | 001-01520 |