| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 May 2022 | 13 May 2022 | 000-25259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Nov 2021 | 18 Nov 2021 | 000-25259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Nov 2021 | 08 Nov 2021 | 000-25259 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Nov 2021 | 08 Nov 2021 | 000-25259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Nov 2016 | 17 Nov 2016 | 000-25259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Nov 2015 | 19 Nov 2015 | 000-25259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Nov 2014 | 20 Nov 2014 | 000-25259 |