| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 29, 2022 | Nov 29, 2022 | 001-12669 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 31, 2022 | May 26, 2022 | 001-12669 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 3, 2022 | May 2, 2022 | 001-12669 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 1, 2021 | Nov 1, 2021 | 001-12669 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 3, 2021 | May 1, 2021 | 001-12669 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 4, 2020 | May 1, 2020 | 001-12669 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 10, 2020 | Mar 9, 2020 | 001-12669 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 10, 2019 | Jun 7, 2019 | 001-12669 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 3, 2019 | May 2, 2019 | 001-12669 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 20, 2018 | Dec 20, 2018 | 001-12669 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 26, 2018 | Oct 26, 2018 | 001-12669 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 2, 2018 | May 1, 2018 | 001-12669 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 2, 2017 | May 1, 2017 | 001-12669 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 3, 2016 | May 1, 2016 | 001-12669 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 2, 2015 | Aug 24, 2015 | 001-12669 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 2, 2015 | Aug 21, 2015 | 001-12669 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 25, 2015 | Aug 24, 2015 | 001-12669 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 24, 2015 | Aug 21, 2015 | 001-12669 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 5, 2015 | May 1, 2015 | 001-12669 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 19, 2014 | Jun 19, 2014 | 001-12669 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 2, 2014 | May 1, 2014 | 001-12669 |