| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 27, 2021 | Jul 26, 2021 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 28, 2021 | Jun 25, 2021 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 16, 2021 | Apr 9, 2021 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 17, 2020 | Jun 12, 2020 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 14, 2019 | Nov 13, 2019 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 22, 2017 | Feb 17, 2017 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 16, 2017 | Feb 14, 2017 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2017 | Feb 10, 2017 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 10, 2017 | Feb 9, 2017 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 6, 2017 | Feb 2, 2017 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 2, 2017 | Jan 31, 2017 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 31, 2017 | Jan 27, 2017 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 6, 2016 | Sep 2, 2016 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 27, 2014 | Oct 24, 2014 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 21, 2014 | Oct 20, 2014 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 20, 2014 | Oct 16, 2014 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 16, 2014 | Oct 15, 2014 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 15, 2014 | Oct 10, 2014 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 14, 2014 | Oct 10, 2014 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 30, 2014 | Jul 29, 2014 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 15, 2014 | Jul 14, 2014 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 14, 2014 | Jul 11, 2014 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 14, 2014 | Jul 9, 2014 | 001-07865 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 11, 2014 | Jul 10, 2014 | 001-07865 |