| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 15 Feb 2022 | 11 Feb 2022 | 001-00475 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Feb 2022 | 07 Feb 2022 | 001-00475 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jun 2021 | 01 Jun 2021 | 001-00475 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Feb 2021 | 08 Feb 2021 | 001-00475 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2020 | 10 Feb 2020 | 001-00475 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2019 | 11 Feb 2019 | 001-00475 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jun 2018 | 01 Jun 2018 | 001-00475 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jun 2018 | 01 Jun 2018 | 001-00475 |