| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 30 Jun 2022 | 21 Jun 2022 | 000-12668 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Jan 2017 | 18 Jan 2017 | 000-12668 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2014 | 20 Feb 2014 | 000-12668 |