| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Jun 15, 2023 | May 4, 2023 | 001-38630 | |
| 4 | Open Document | Open Filing | Dec 7, 2022 | Dec 5, 2022 | 001-38630 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 5, 2021 | Oct 4, 2021 | 001-38630 |
| 4/A | Open Document | Open Filing | 4/A | Aug 29, 2019 | Dec 5, 2018 | 001-38630 |
| 3/A | Open Document | Open Filing | 3/A | Aug 29, 2019 | Aug 13, 2018 | 001-38630 |
| 4 | Open Document | Open Filing | 4 | Aug 1, 2019 | Jun 5, 2019 | 001-38630 |
| 4/A | Open Document | Open Filing | 4/A | Dec 12, 2018 | Dec 5, 2018 | 001-38630 |
| 4 | Open Document | Open Filing | 4 | Dec 11, 2018 | Dec 5, 2018 | 001-38630 |
| 3 | Open Document | Open Filing | 3 | Aug 13, 2018 | Aug 13, 2018 | 001-38630 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 7, 2015 | Apr 6, 2015 | 000-14710 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 20, 2015 | Mar 18, 2015 | 000-14710 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2015 | Feb 26, 2015 | 000-14710 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2015 | Dec 31, 2014 | 000-14710 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2015 | Feb 3, 2015 | 000-14710 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 17, 2014 | Nov 13, 2014 | 000-14710 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 19, 2014 | Aug 14, 2014 | 000-14710 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 20, 2014 | Mar 18, 2014 | 000-14710 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2014 | Feb 27, 2014 | 000-14710 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2014 | Dec 31, 2013 | 000-14710 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 10, 2014 | Feb 7, 2014 | 000-14710 |