| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 19, 2022 | May 17, 2022 | 001-15070 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 4, 2021 | Aug 2, 2021 | 001-15070 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 6, 2021 | Jun 30, 2021 | 001-15070 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 20, 2020 | Oct 15, 2020 | 001-15070 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 12, 2020 | Jun 10, 2020 | 001-15070 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2019 | May 15, 2019 | 001-15070 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 15, 2019 | May 13, 2019 | 001-15070 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2019 | Feb 27, 2019 | 001-15070 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 19, 2018 | Jul 17, 2018 | 001-15070 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 9, 2018 | Jul 5, 2018 | 001-15070 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 20, 2017 | Oct 19, 2017 | 001-15070 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 6, 2017 | Sep 1, 2017 | 001-15070 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2017 | Dec 31, 2016 | 001-15070 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 15, 2016 | Dec 31, 2015 | 001-15070 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 18, 2016 | Mar 16, 2016 | 001-15070 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 2, 2015 | Jun 30, 2015 | 001-15070 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2015 | Sep 29, 2014 | 001-15070 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 1, 2014 | Mar 25, 2014 | 001-15070 |