| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 14 Aug 2025 | 12 Aug 2025 | 000-28132 |
| 4 | Open Document | Open Filing | 08 Feb 2024 | 07 Feb 2024 | 000-28132 | |
| 3 | Open Document | Open Filing | 08 Feb 2024 | 07 Feb 2024 | 000-28132 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 May 2017 | 28 Apr 2017 | 001-35149 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Dec 2016 | 07 Dec 2016 | 001-35149 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2016 | 02 May 2016 | 001-35149 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Nov 2015 | 13 Nov 2015 | 001-35149 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 May 2014 | 28 May 2014 | 001-35149 |