| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 03 May 2023 | 25 Apr 2023 | 001-41443 | |
| 4 | Open Document | Open Filing | 14 Feb 2022 | 10 Feb 2022 | 000-55036 | |
| SC 13D | Open Document | Open Filing | 07 Oct 2019 | |||
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Sep 2019 | 09 Sep 2019 | 000-55036 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Sep 2019 | 09 Sep 2019 | 000-55036 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Sep 2017 | 01 Sep 2017 | 000-55036 |