| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 01 Feb 2022 | 31 Jan 2022 | 000-49883 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Oct 2019 | 21 Oct 2019 | 000-49883 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Feb 2018 | 21 Feb 2018 | 000-49883 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Feb 2018 | 21 Feb 2018 | 000-49883 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Feb 2016 | 17 Feb 2016 | 000-49883 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2014 | 19 May 2014 | 000-49883 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2014 | 28 Apr 2014 | 000-49883 |