| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 5 | Open Document | Open Filing | FORM 5 | 15 Nov 2023 | 31 Dec 2022 | 001-41786 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2018 | 15 Feb 2015 | 000-53912 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Mar 2017 | 15 Feb 2015 | 000-53912 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jan 2016 | 31 Dec 2015 | 000-53912 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 May 2015 | 15 Feb 2015 | 000-53912 |