| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Jul 2023 | 19 Mar 2014 | 001-11507 |
| 4 | Open Document | Open Filing | 20 Mar 2014 | 18 Mar 2014 | 001-11507 | |
| 4 | Open Document | Open Filing | 28 Dec 2012 | 27 Dec 2012 | 001-11507 | |
| 4 | Open Document | Open Filing | 06 Dec 2012 | 04 Dec 2012 | 001-11507 |