| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 15 Jul 2022 | 09 Jun 2022 | 000-54747 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Dec 2015 | 24 Nov 2015 | 000-54747 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Dec 2014 | 04 Dec 2014 | 000-54747 |
| 3 | Open Document | Open Filing | FORM 3 | 18 Feb 2014 | 11 Feb 2014 | 000-54747 |