| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | Mar 13, 2023 | Mar 7, 2023 | 001-37387 | |
| 4 | Open Document | Open Filing | Mar 9, 2023 | Mar 7, 2023 | 001-37387 | |
| 4 | Open Document | Open Filing | Dec 26, 2019 | Dec 24, 2019 | 001-14761 | |
| 144 | Open Document | Open Filing | Dec 26, 2019 | |||
| 4 | Open Document | Open Filing | May 7, 2019 | May 7, 2019 | 001-14761 | |
| 4 | Open Document | Open Filing | May 7, 2019 | May 7, 2019 | 001-37387 | |
| 3 | Open Document | Open Filing | Feb 7, 2019 | Feb 5, 2019 | 001-37387 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 27, 2015 | Aug 25, 2015 | 001-14761 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 23, 2015 | Jun 23, 2015 | 001-14761 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 22, 2015 | Jun 19, 2015 | 001-14761 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2015 | May 15, 2015 | 001-14761 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 18, 2014 | Sep 17, 2014 | 001-14761 |