| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Aug 31, 2022 | Aug 29, 2022 | 001-12696 |
| 4 | Open Document | Open Filing | FORM 4 | May 12, 2022 | May 10, 2022 | 001-12696 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 19, 2021 | Oct 15, 2021 | 001-12696 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 10, 2021 | Sep 7, 2021 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2021 | May 12, 2021 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2021 | May 10, 2021 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 16, 2020 | Oct 15, 2020 | 001-12696 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 11, 2020 | Sep 8, 2020 | 001-12696 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 3, 2020 | Jun 1, 2020 | 001-37870 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 4, 2019 | Jun 1, 2019 | 001-37870 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 4, 2019 | May 31, 2019 | 001-37870 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 28, 2014 | May 23, 2014 | 000-26176 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2014 | May 8, 2014 | 000-26176 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 17, 2014 | Apr 15, 2014 | 000-26176 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 17, 2014 | Jan 15, 2014 | 000-26176 |