| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | 30 Jun 2022 | 15 Jun 2022 | 001-14761 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 May 2015 | 14 May 2015 | 000-24525 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 May 2014 | 22 May 2014 | 000-24525 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 May 2013 | 09 May 2013 | 000-24525 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 21 Feb 2013 | 12 Feb 2013 | 000-24525 |